Tool
Bill of materials
Choose equipment for your stage of the book. Each row explains what an item is for, which version to choose and what else you need. Shared gear includes alternatives; you do not need to buy everything listed.
What needs to match?
Choose general tools by what they need to do. A suitable tool you already own is fine; the brands below are optional examples. Materials such as wire and heat-shrink need the right type and dimensions. Propellers, motors, batteries and electronics stay tied to the exact reference build. Chargers, radios and goggles need their own model-specific instructions. A similar specification is a starting point for checking a replacement, not proof that it fits.
Buy in stages
For simulator practice, start with the radio, its battery, a USB data cable and compatible desktop software. Goggles, aircraft batteries, charging equipment and assembly tools come later. Choose goggles for the aircraft's video system: DJI, Walksnail, HDZero and analog are separate systems.
Follow the assembly chapters for inspection, wiring and first-power checks. A reference parts list is not a substitute for checking your own assembled aircraft.
Budgeting, not a live stock feed. Price records span 2026-05-11 to 2026-10-22. Dollar values are dated planning inputs, not current quotes. Tool ranges are separate budgets. Check the seller's package count, stock, shipping and tax before ordering. Missing prices are not zero. Weights are listed component values or planning allowances; weigh the finished aircraft with its battery.
Reference build selections. These choices are based on product documentation, not a claim that we have flight-tested every complete build. Links identify the product or instructions; tools and materials need no compulsory brand. How editions, references and corrections are maintained.
Analog route. The Air65 II analog reference is for indoor learning only. It has no battery-backed recovery alarm, so it cannot by itself complete Chapter 8's required outdoor progression to Build Two. Budget for a separately qualified recovery-equipped outdoor route; do not add an unverified finder.
| Build | Variant | Category | Equipment / requirements | Packages to buy | Package contents | Quantity on drone | Price / budget | Line cost | Weight on drone | Pricing date | Reference / optional example | Buying notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Shared Gear | — | Smoke stopper | Fractal 1S Sparkyguard — assembledReference partCurrent-limited first-power checks for the selected 1S whoop. | 1 | assembled device; 1 per order | 0 | $22.50Per package (USD) | $22.50 | — | 2026-10-16 | Manufacturer referenceSource reviewed | Choose the assembled A30/BT2-compatible version. Chapter 7 uses a storage-state LAVA pack and separates core and video checks; this is not a flight accessory or a disconnected output when its red light is on. |
| Shared Gear | — | Smoke stopper | VIFLY ShortSaver 2Reference partProtected first-power checks for the selected multi-cell builds. | 1 | assembled device; 1 per order | 0 | $12.99Per package (USD) | $12.99 | — | 2026-10-16 | Manufacturer referenceSource reviewed | Use Chapter 10's storage-state pack and staged 1 A core / 2 A video sequence. Chapter 11 separately defines Finder 2 timed preparation with video disconnected and 1 A protection. The 7–25 V range always excludes full 25.2 V 6S. This is not the 1S whoop's protection device. |
| Shared Gear | — | Radio | RadioMaster Boxer ELRS 2.4 GHzReference partRadio for simulator practice and the book's ELRS aircraft. | 1 | single; 1 per order | 0 | $154.00Per package (USD) | $154.00 | — | 2026-08-10 | Manufacturer referenceSource reviewed | Choose the ELRS 2.4 GHz version and the regional radio setting permitted where you fly. Add the handset battery and a USB data cable. |
| Shared Gear | — | Goggles | DJI Goggles 3Reference partNative goggles for the DJI O4 builds. | 1 | single; 1 per order | 0 | $689.00Per package (USD) | $689.00 | — | 2026-08-10 | Manufacturer referenceSource reviewed | The battery is built in. These do not receive analog, Walksnail or HDZero video. |
| Shared Gear | — | Goggles | Skyzone SKY04X ProOptionalPremium analog goggles with receiver and antennas included. | 1 | single; 1 per order | 0 | $400.00Per package (USD) | $400.00 | — | 2026-05-11 | Manufacturer referenceSource reviewed | Use the HDZero rear battery case plus two matching P45B cells as the selected external power route; choose analog rather than buying every goggle option. |
| Shared Gear | — | Charger | HOTA D6 ProOptionalOptional two-channel charger for multi-cell flight packs. | 1 | single; 1 per order | 0 | $160.00Per package (USD) | $160.00 | — | 2026-05-11 | Manufacturer referenceSource reviewed | Choose this for AC mains convenience or two separate charging channels. You do not also need a B6neo. Add the correct battery leads. |
| Shared Gear | — | Charger | SkyRC B6neoReference partCompact charger for one multi-cell flight pack at a time. | 1 | single; 1 per order | 0 | $55.00Per package (USD) | $55.00 | — | 2026-05-11 | Manufacturer referenceSource reviewed | Use the original B6neo with the SkyRC PDC100 supply. Connect the pack's main and balance leads as shown in Chapter 4; use the dedicated 1S charger for whoop packs. |
| Shared Gear | — | Goggle antennas | Included goggle antennasIncludedNo additional generic antenna purchase. | 0 | included set; 1 per order | 0 | $0.00Per package (USD) | $0.00 | — | 2026-05-11 | Included with the selected equipment; no separate purchase. | SKY04X Pro and Goggles X include their antennas. HDZero Goggle 2 uses the separately listed Echo kit; choose only the accessories for your goggles. |
| Shared Gear | — | Tools (soldering) | Temperature-controlled soldering setupOptionalNo specific brand required. Reuse a suitable tool you own.What to look forTemperature control, a supported tip suited to the joint, adequate heat recovery, a stable approved stand and a documented power arrangement. Wattage alone does not establish suitability. Portable irons may need a separately selected supply and cable; follow the exact iron, tip, solder, flux and board limits. Practise on isolated material before aircraft work. Budget fume extraction, eye protection, holders and consumables separately. | 1 | single; 1 per order | 0 | $40–$150Planning budget (USD)Budget scopeIron or station and an appropriate tip; check which accessories the package includes. Excludes: Shipping and tax; any separate supply, cable or stand; fume extraction, eye protection, holders and consumables. US-dollar planning allowance. Editorial budget band, not a complete-bench quote or proof of a qualified soldering combination. | Choose your equipment | — | 2026-10-13Budget set | Optional example: MINIWARE TS101 candidateManufacturer referenceSource reviewed Example price recordDated example input: $75.00 (2026-05-11); not a current quote. | The TS101 is an optional example, not a required brand. Include the correct tip, stand, power supply and cable in your budget. |
| Shared Gear | — | Tools (multimeter) | Digital multimeterOptionalNo specific brand required. Reuse a suitable tool you own.What to look forDC voltage measurement covering the intended circuits (at least a 30 V range for the book's up-to-6S pack examples), resistance and audible continuity, suitable insulated probes and a clear manual. Match accuracy and resolution to each defined check; display digits alone are not accuracy. Auto-ranging, hold and a backlight are useful extras, not requirements. Learn the jacks and modes; use resistance/continuity only on isolated, unpowered work. A beep alone does not accept a populated board. No mains or motor-current work is taught here. For Chapter 10's loose-capacitor card and Chapter 14's separately scoped Build Two local service entry, require at least 60 V DC coverage and at least 10 megohms DC input impedance on every range used (not LoZ); total stated error at most 0.5 V near 35 V, 0.02 V near 0.10 V, endpoint resolution 0.01 V or better, and resistance error at most 20 ohms near 1 kilohm, under the actual manual's conditions. Follow the applicable card's manual-range and insulated-access rules. The resistor, hook cords, check cell and any specialist probes are separately budgeted reusable bench items, not aircraft mass or supplied stack contents. | 1 | single meter kit; 1 per order | 0 | $20–$60Planning budget (USD)Budget scopeBasic meter with suitable leads; confirm battery and package contents. Excludes: Shipping, tax, any missing battery or specialist probes, and the later capacitor-card resistor, hook cords and check cell. US-dollar planning allowance. Editorial budget band, not a current offer or a claim every meter in the band is suitable. | Choose your equipment | — | 2026-10-13Budget set | Optional example: AstroAI AM33D manual-range multimeter (blue)Manufacturer referenceSource reviewed Example price recordDated example input: $18.99 (2026-10-13); not a current quote. | Use suitable insulated probes and the correct jacks. The AM33D is an optional basic example; this book does not teach mains or motor-current measurement. |
| Shared Gear | — | Simulator | Liftoff: FPV Drone RacingReference partDesktop simulator for the Chapter 5 practice route. | 1 | single; 1 per order | 0 | $20.00Per package (USD) | $20.00 | — | 2026-05-11 | Manufacturer referenceSource reviewed | Choose the desktop FPV Drone Racing edition. Check computer requirements and use the radio's USB joystick mode with RF disabled. |
| Shared Gear | — | Radio battery | RadioMaster 6200 mAh 2S handset batteryReference partBattery for the Boxer handset. | 1 | single battery; 1 per order | 0 | Check retailer pricePer package (USD) | Check retailer price | — | — | Manufacturer referenceSource reviewed | Choose the RadioMaster 6200 mAh pack for Boxer/TX16S; charge through the radio as instructed. It is not a drone flight battery. |
| Shared Gear | — | Power supply | SkyRC PDC100 USB-C PD supplyReference partShared bench supply for the B6neo, WhoopStor 3 or compatible soldering iron. | 1 | supply with attached USB-C cable; 1 per order | 0 | Check retailer pricePer package (USD) | Check retailer price | — | — | Manufacturer referenceSource reviewed | Use its attached USB-C cable and correct regional AC cord. Power one device at a time; it supplies the B6neo at 20 V/5 A. |
| Shared Gear | — | Charger | VIFLY WhoopStor 3Reference partDedicated independent-channel charger for the 1S whoop batteries. | 1 | six-channel charger; 1 per order | 0 | $32.99Per package (USD) | $32.99 | — | 2026-10-13 | Manufacturer referenceSource reviewed | Use PDC100 power and one BT2.0 pack per numbered channel. For LAVA 300/450 choose 0.3 A, LiHV 4.35 V and 3.85 V storage; no parallel board. |
| Shared Gear | — | Charge lead | iFlight XT30-to-XT60 charge adapterReference partLead for charging the XT30 toothpick packs on B6neo. | 1 | four-lead pack; 4 per order | 0 | Check retailer pricePer package (USD) | Check retailer price | — | — | Manufacturer referenceSource reviewed | Choose the 10 cm 16 AWG XT30-male/XT60-female option. One lead is needed; this sale package contains four. Connect the balance lead separately. |
| Shared Gear | — | Goggles | HDZero Goggle 2Reference partNative HDZero goggles. | 1 | goggles; 1 per order | 0 | $699.99Per package (USD) | $699.99 | — | 2026-10-13 | Manufacturer referenceSource reviewed | Add the Echo antenna kit and HDZero rear battery case with two matching Molicel P45B cells. Do not also buy another ecosystem's goggles. |
| Shared Gear | — | Goggle antennas | HDZero Echo Antenna KitReference partFour antennas for the HDZero Goggle 2 route. | 1 | kit: 2 patch + 2 RHCP omni; 4 per order | 0 | $49.99Per package (USD) | $49.99 | — | 2026-10-13 | Manufacturer referenceSource reviewed | Includes two patches and two RHCP omnis. This row uses the standalone-kit price; do not buy a duplicate kit if your goggle bundle includes it. |
| Shared Gear | — | Goggle power | HDZero rear battery caseReference partExternal goggle power for HDZero Goggle 2 or the supported SKY04X Pro route. | 1 | empty case with DC5521 output; 1 per order | 0 | $44.99Per package (USD) | $44.99 | — | 2026-10-13 | Manufacturer referenceSource reviewed | The case is sold empty. Add two matching P45B 21700 cells, use its DC5521 output and USB-C charging instructions. |
| Shared Gear | — | Goggle cells | Molicel INR-21700-P45B cellsReference partTwo matching cells for the empty HDZero battery case. | 2 | single cell; 1 per order | 0 | Check retailer pricePer package (USD) | Check retailer price | — | — | Manufacturer referenceSource reviewed | Buy genuine cells from a reputable authorized supplier. Follow case polarity; protect loose-cell terminals from metal objects and use the case's charging route. |
| Shared Gear | — | Goggles | Walksnail Avatar HD Goggles XReference partNative Walksnail goggles with four antennas. | 1 | goggles with four antennas; 1 per order | 0 | Check retailer pricePer package (USD) | Check retailer price | — | — | Manufacturer referenceSource reviewed | Use the Caddx 3200 mAh goggle battery and its supplied DC5521 lead. No separate generic antenna kit is needed. |
| Shared Gear | — | Goggle power | CaddxFPV 3200 mAh goggles batteryReference partPower supply for Walksnail Goggles X. | 1 | battery with XT30-to-DC5521 lead; 1 per order | 0 | $22.99Per package (USD) | $22.99 | — | 2026-10-13 | Manufacturer referenceSource reviewed | The XT30-to-DC5521 lead is included. Charge by USB-C; this is a goggle battery, not an aircraft flight pack. |
| Build 1 — Whoop | HDZero | Frame | BETAFPV Meteor75 Micro frameReference part75 mm whoop frame for 40 mm propellers. | 1 | single; 1 per order | 1 | $4.99Per package (USD) | $4.99 | 5.68 g | 2026-10-13 | Manufacturer referenceSource reviewed | Choose the Meteor75 frame, not a similarly named complete aircraft. Inspect motor screws and prop clearance during assembly. |
| Build 1 — Whoop | HDZero | Canopy / camera mount | BETAFPV Micro Canopy for HD CameraReference partCamera protection for the 75 mm digital whoop. | 1 | single; 1 per order | 1 | $4.99Per package (USD) | $4.99 | 2.5 g | 2026-10-13 | Manufacturer referenceSource reviewed | Use the 14 mm camera mount. Dry-fit the selected camera's body, lens and supplied cable with its matching video stack before fastening; never force the camera into the canopy. |
| Build 1 — Whoop | HDZero | Motors (×4) | BETAFPV 0802 Freestyle 22000 KVReference part1S motors for the 75 mm digital whoop. | 1 | four-motor package; 4 per order | 4 | $39.99Per package (USD) | $39.99 | 7.52 g | 2026-10-13 | Manufacturer referenceSource reviewed | Select the 2026 Freestyle 22000 KV four-motor package with 1 mm shafts. Do not substitute another winding or use a 2S pack. |
| Build 1 — Whoop | HDZero | AIO FC/ESC | BETAFPV Matrix 1S 3IN1 — BMI270Reference partFlight controller, ESC and ELRS receiver for the digital 1S whoops. | 1 | single; 1 per order | 1 | $39.99Per package (USD) | $39.99 | 4.2 g | 2026-10-13 | Manufacturer referenceSource reviewed | Choose BMI270 SKU 01040018_4. BT2.0 battery lead is included. Power video from its regulated 5 V rail and use UART4; no extra receiver. |
| Build 1 — Whoop | HDZero | HD VTX/cam | HDZero Whoop V2 bundleReference partHDZero video transmitter and Nano V3 camera. | 1 | bundle; 1 per order | 1 | $99.99Per package (USD) | $99.99 | 7.6 g | 2026-10-13 | Manufacturer referenceSource reviewed | Choose bundle HDZ3104, which includes the camera, dipole antenna and MIPI cable. It needs native HDZero reception. |
| Build 1 — Whoop | HDZero | Packs | BETAFPV LAVA 1S 450 mAh BT2.0Reference partFlight batteries for the larger digital whoops. | 1 | four-pack; 4 per order | 1 | $17.99Per package (USD) | $17.99 | 12.2 g | 2026-10-13 | Manufacturer referenceSource reviewed | Choose 1S LiHV with BT2.0. One battery flies at a time; the other batteries are session spares. Use the 1S charging setup in Chapter 4. |
| Build 1 — Whoop | HDZero | Props | Gemfan 1610-2 40 mm, 1 mm boreReference partTwo-blade propellers for the 75 mm frame. | 2 | eight-prop pack (4 CW + 4 CCW); 8 per order | 4 | Check retailer pricePer package (USD) | Check retailer price | 0.96 g | — | Manufacturer referenceSource reviewed | Choose the 1 mm bore. Each maker pack has four CW and four CCW props; fit two of each direction and keep the rest as spares. |
| Build 1 — Whoop | HDZero | Buzzer / finder | VIFLY BeaconOptionalSelf-powered recovery sounder for the digital whoops. | 1 | single; 1 per order | 1 | $14.39Per package (USD) | $14.39 | 6 g | 2026-10-13 | Manufacturer referenceSource reviewed | Charge through Micro-USB from a suitable 5 V USB supply or computer USB port, using a matching lead; the PDC100's attached USB-C cable does not fit it directly. Test before flight and secure clear of propellers with the button accessible. |
| Build 1 — Whoop | HDZero | Crash spare | BETAFPV Micro Canopy for HD CameraReference partCamera protection for the 75 mm digital whoop. | 1 | single; 1 per order | 0 | $4.99Per package (USD) | $4.99 | — | 2026-10-13 | Manufacturer referenceSource reviewed | Use the 14 mm camera mount. Dry-fit the selected camera's body, lens and supplied cable with its matching video stack before fastening; never force the camera into the canopy. |
| Build 1 — Whoop | Walksnail | Frame | BETAFPV Meteor75 Micro frameReference part75 mm whoop frame for 40 mm propellers. | 1 | single; 1 per order | 1 | $4.99Per package (USD) | $4.99 | 5.68 g | 2026-10-13 | Manufacturer referenceSource reviewed | Choose the Meteor75 frame, not a similarly named complete aircraft. Inspect motor screws and prop clearance during assembly. |
| Build 1 — Whoop | Walksnail | Canopy / camera mount | BETAFPV Micro Canopy for HD CameraReference partCamera protection for the 75 mm digital whoop. | 1 | single; 1 per order | 1 | $4.99Per package (USD) | $4.99 | 2.5 g | 2026-10-13 | Manufacturer referenceSource reviewed | Use the 14 mm camera mount. Dry-fit the selected camera's body, lens and supplied cable with its matching video stack before fastening; never force the camera into the canopy. |
| Build 1 — Whoop | Walksnail | Motors (×4) | BETAFPV 0802 Freestyle 22000 KVReference part1S motors for the 75 mm digital whoop. | 1 | four-motor package; 4 per order | 4 | $39.99Per package (USD) | $39.99 | 7.52 g | 2026-10-13 | Manufacturer referenceSource reviewed | Select the 2026 Freestyle 22000 KV four-motor package with 1 mm shafts. Do not substitute another winding or use a 2S pack. |
| Build 1 — Whoop | Walksnail | AIO FC/ESC | BETAFPV Matrix 1S 3IN1 — BMI270Reference partFlight controller, ESC and ELRS receiver for the digital 1S whoops. | 1 | single; 1 per order | 1 | $39.99Per package (USD) | $39.99 | 4.2 g | 2026-10-13 | Manufacturer referenceSource reviewed | Choose BMI270 SKU 01040018_4. BT2.0 battery lead is included. Power video from its regulated 5 V rail and use UART4; no extra receiver. |
| Build 1 — Whoop | Walksnail | HD VTX/cam | Walksnail Avatar HD Mini 1S V3 KitReference part8 GB video kit with the Nano camera for the Walksnail whoop. | 1 | kit; 1 per order | 1 | $109.00Per package (USD) | $109.00 | 12.3 g | 2026-10-13 | Manufacturer referenceSource reviewed | Choose V3, not V2 or Lite. Use the Matrix regulated 5 V video output and the supplied V3 harness; native Walksnail goggles are required. |
| Build 1 — Whoop | Walksnail | Packs | BETAFPV LAVA 1S 450 mAh BT2.0Reference partFlight batteries for the larger digital whoops. | 1 | four-pack; 4 per order | 1 | $17.99Per package (USD) | $17.99 | 12.2 g | 2026-10-13 | Manufacturer referenceSource reviewed | Choose 1S LiHV with BT2.0. One battery flies at a time; the other batteries are session spares. Use the 1S charging setup in Chapter 4. |
| Build 1 — Whoop | Walksnail | Props | Gemfan 1610-2 40 mm, 1 mm boreReference partTwo-blade propellers for the 75 mm frame. | 2 | eight-prop pack (4 CW + 4 CCW); 8 per order | 4 | Check retailer pricePer package (USD) | Check retailer price | 0.96 g | — | Manufacturer referenceSource reviewed | Choose the 1 mm bore. Each maker pack has four CW and four CCW props; fit two of each direction and keep the rest as spares. |
| Build 1 — Whoop | Walksnail | Buzzer / finder | VIFLY BeaconOptionalSelf-powered recovery sounder for the digital whoops. | 1 | single; 1 per order | 1 | $14.39Per package (USD) | $14.39 | 6 g | 2026-10-13 | Manufacturer referenceSource reviewed | Charge through Micro-USB from a suitable 5 V USB supply or computer USB port, using a matching lead; the PDC100's attached USB-C cable does not fit it directly. Test before flight and secure clear of propellers with the button accessible. |
| Build 1 — Whoop | Walksnail | Crash spare | BETAFPV Micro Canopy for HD CameraReference partCamera protection for the 75 mm digital whoop. | 1 | single; 1 per order | 0 | $4.99Per package (USD) | $4.99 | — | 2026-10-13 | Manufacturer referenceSource reviewed | Use the 14 mm camera mount. Dry-fit the selected camera's body, lens and supplied cable with its matching video stack before fastening; never force the camera into the canopy. |
| Build 1 — Whoop | DJI O4 | Frame | BETAFPV Meteor75 Pro frameReference part80.8 mm frame for the 45 mm DJI O4 whoop. | 1 | single; 1 per order | 1 | $4.99Per package (USD) | $4.99 | 7.73 g | 2026-10-13 | Manufacturer referenceSource reviewed | Choose the black Meteor75 Pro frame. It accepts the selected 1102 motors and LAVA 450 battery; the smaller Meteor75 is a different frame. |
| Build 1 — Whoop | DJI O4 | Canopy / camera mount | BETAFPV Canopy for O4 Air UnitReference partO4 camera canopy with the shock-absorbing mounting components. | 1 | single; 1 per order | 1 | $5.99Per package (USD) | $5.99 | 1.82 g | 2026-10-13 | Manufacturer referenceSource reviewed | Choose the black O4 canopy, including its camera mount and damping balls. Secure the coax and check camera clearance before closing it. |
| Build 1 — Whoop | DJI O4 | Motors (×4) | BETAFPV 1102 22000 KV motorsReference partFour-motor package for the 1S DJI O4 whoop. | 1 | four-motor package; 4 per order | 4 | $39.99Per package (USD) | $39.99 | 11.16 g | 2026-10-13 | Manufacturer referenceSource reviewed | Choose the 2022 22000 KV/37 mm variant, 1.5 mm shaft. Use the selected 1.5 mm-bore 45 mm propellers; do not use 2S. |
| Build 1 — Whoop | DJI O4 | AIO FC/ESC | BETAFPV Matrix 1S 3IN1 — BMI270Reference partFlight controller, ESC and ELRS receiver for the digital 1S whoops. | 1 | single; 1 per order | 1 | $39.99Per package (USD) | $39.99 | 4.2 g | 2026-10-13 | Manufacturer referenceSource reviewed | Choose BMI270 SKU 01040018_4. BT2.0 battery lead is included. Power video from its regulated 5 V rail and use UART4; no extra receiver. |
| Build 1 — Whoop | DJI O4 | HD VTX/cam | DJI O4 Air UnitReference partCamera and video transmitter for the DJI whoop. | 1 | kit; 1 per order | 1 | $170.00Planning allowance (USD) | $170.00 | 8.95 g | 2026-05-11 | Manufacturer referenceSource reviewed | Choose regular O4, not O4 Pro or Wide. Use the regulated supply and matching DJI goggles specified for this build. |
| Build 1 — Whoop | DJI O4 | Packs | BETAFPV LAVA 1S 450 mAh BT2.0Reference partFlight batteries for the larger digital whoops. | 1 | four-pack; 4 per order | 1 | $17.99Per package (USD) | $17.99 | 12.2 g | 2026-10-13 | Manufacturer referenceSource reviewed | Choose 1S LiHV with BT2.0. One battery flies at a time; the other batteries are session spares. Use the 1S charging setup in Chapter 4. |
| Build 1 — Whoop | DJI O4 | Props | Gemfan 45 mm three-blade props — 1.5 mmReference partPropellers for the Meteor75 Pro O4 route. | 3 | four-prop pack (2CW/2CCW); 4 per order | 4 | $2.49Per package (USD) | $7.47 | 1.69 g | 2026-10-13 | Manufacturer referenceSource reviewed | Choose the three-blade, 1.5 mm-bore package. Three four-prop packs give four installed props and eight spares. |
| Build 1 — Whoop | DJI O4 | Buzzer / finder | VIFLY BeaconOptionalSelf-powered recovery sounder for the digital whoops. | 1 | single; 1 per order | 1 | $14.39Per package (USD) | $14.39 | 6 g | 2026-10-13 | Manufacturer referenceSource reviewed | Charge through Micro-USB from a suitable 5 V USB supply or computer USB port, using a matching lead; the PDC100's attached USB-C cable does not fit it directly. Test before flight and secure clear of propellers with the button accessible. |
| Build 1 — Whoop | DJI O4 | Crash spare | BETAFPV Canopy for O4 Air UnitReference partO4 camera canopy with the shock-absorbing mounting components. | 1 | single; 1 per order | 0 | $5.99Per package (USD) | $5.99 | — | 2026-10-13 | Manufacturer referenceSource reviewed | Choose the black O4 canopy, including its camera mount and damping balls. Secure the coax and check camera clearance before closing it. |
| Build 1 — Whoop | Analog | Frame | BETAFPV Air65 II frameReference part65 mm frame for the analog whoop. | 1 | single frame; 1 per order | 1 | $4.99Per package (USD) | $4.99 | 2.65 g | 2026-10-13 | Manufacturer referenceSource reviewed | Use 31 mm props and the LAVA 300 mAh battery; the larger 450 mAh pack is not the reference choice for this holder. |
| Build 1 — Whoop | Analog | Included canopy | C03 kit's included canopyIncludedCamera canopy supplied in the C03 package. | 0 | included with C03 camera kit; no separate order; 1 per order | 1 | $0.00Per package (USD) | $0.00 | 1.6 g | 2026-08-10 | Manufacturer referenceSource reviewed | No separate canopy purchase. Its weight is separate from the camera, so count both installed items once. |
| Build 1 — Whoop | Analog | Motors (×4) | BETAFPV 0702SE 23000 KVReference partLightweight 1S motors for the analog whoop. | 1 | four-motor package; 4 per order | 4 | $43.99Per package (USD) | $43.99 | 5.68 g | 2026-10-13 | Manufacturer referenceSource reviewed | Select the SE 23000 KV four-motor package with 1 mm shafts, paired with the 31 mm Gemfan props. |
| Build 1 — Whoop | Analog | AIO FC/ESC/VTX | BETAFPV Matrix 1S 5IN1 — BMI270Reference partFlight controller, ESC, ELRS receiver and analog VTX for the 65 mm whoop. | 1 | single; 1 per order | 1 | $49.99Per package (USD) | $49.99 | 3.92 g | 2026-10-13 | Manufacturer referenceSource reviewed | Choose BMI270 SKU 01040018_5. The BT2.0 lead is included. This indoor-only cart has no battery-backed recovery alarm and cannot by itself complete Chapter 8's outdoor progression to Build Two. Budget for a separately qualified recovery-equipped outdoor route; do not add an unverified finder. |
| Build 1 — Whoop | Analog | Analog cam | BETAFPV C03 camera kitReference partAnalog camera, canopy and mounting accessories. | 1 | mixed camera kit; 1 per order | 1 | $11.99Per package (USD) | $11.99 | 1.45 g | 2026-10-13 | Manufacturer referenceSource reviewed | Choose the NTSC 4:3 camera kit. The canopy is already listed as an included item; do not buy it twice. |
| Build 1 — Whoop | Analog | Packs | BETAFPV LAVA 1S 300 mAh BT2.0Reference partFive-pack of batteries for the Air65 II frame. | 1 | five-battery pack; 5 per order | 1 | $21.99Per package (USD) | $21.99 | 8.3 g | 2026-10-13 | Manufacturer referenceSource reviewed | One pack flies at a time. Use WhoopStor 3: LiHV 4.35 V, 0.3 A; storage 3.85 V. The larger 450 mAh pack is not this frame's selection. |
| Build 1 — Whoop | Analog | Props | Gemfan 1208-3 31 mm, 1 mm boreReference partThree-blade props for the analog whoop. | 2 | eight-prop pack (4 CW + 4 CCW); 8 per order | 4 | Check retailer pricePer package (USD) | Check retailer price | 0.84 g | — | Manufacturer referenceSource reviewed | Choose the 1 mm bore. Each maker package has four CW and four CCW props; check the seller's package count. |
| Build 1 — Whoop | Analog | Hardware | Matching spare props and screwsOptionalOptional repair stock for the analog whoop. | 1 | bundle; 1 per order | 0 | $4.00Planning allowance (USD) | $4.00 | — | 2026-08-11 | Match the selected build; see the buying notes. | Use the same propeller model and the frame/motor makers' screw sizes. Do not add spare pieces to the flying weight. |
| Build 2 — 5-inch HD | — | Frame | AOS 5 V5 — lightweight 5 mm armsReference partFrame for the five-inch reference build. | 1 | single; 1 per order | 1 | $75.00Per package (USD) | $75.00 | 119 g | 2026-08-10 | Manufacturer referenceSource reviewed | Select the lightweight 5 mm-arm V5 configuration used by the 119 g worksheet input; do not mix the heavier 6 mm option into that total. |
| Build 2 — 5-inch HD | — | FC + 4-in-1 ESC | Holybro Kakute H7 V1.5 + Tekko32 F4 Metal 65 A AM32Reference part30.5 mm flight-controller and ESC stack for the 6S five-inch build. | 1 | stack; 1 per order | 1 | $172.99Per package (USD) | $172.99 | 23.8 g | 2026-10-13 | Manufacturer referenceSource reviewed | Select SKU 11091+31097, not the 50 A option. Capacitor and FC–ESC cables are included; add a factory-terminated XT60 pigtail with 12 AWG silicone-insulated copper wire and a separate 16 GB microSDHC Blackbox card. |
| Build 2 — 5-inch HD | — | Motors (×4) | EMAX ECO II 2306 1700 KVReference partFour motors for the 6S five-inch route. | 4 | single motor; 1 per order | 4 | $12.99Per package (USD) | $51.96 | 149 g | 2026-08-11 | Manufacturer referenceSource reviewed | Choose 1700 KV with the diameter 16 mm four-M3 motor mount and selected HQ 5×4.3×3 V1S props. Check screw engagement without touching windings. |
| Build 2 — 5-inch HD | — | Props | HQProp 5×4.3×3 V1S — 5 mmReference partExact propeller selection for the five-inch build. | 3 | set of four; 4 per order | 4 | $2.99Per package (USD) | $8.97 | 15.24 g | 2026-10-13 | Manufacturer referenceSource reviewed | Three packs provide 12 props: four installed and eight spare. Check the hub seats fully and the retaining nut engages correctly. |
| Build 2 — 5-inch HD | — | HD VTX + cam | DJI O4 Air Unit ProReference partVideo system for the five-inch DJI build. | 1 | kit; 1 per order | 1 | $260.00Per package (USD) | $260.00 | 36.2 g | 2026-08-10 | Manufacturer referenceSource reviewed | Use the Pro camera, transmitter and two matching antennas. The regular O4 is a different product. |
| Build 2 — 5-inch HD | — | Receiver | RadioMaster RP4TDReference partDiversity ELRS receiver for the five-inch build. | 1 | kit; 1 per order | 1 | $30.00Per package (USD) | $30.00 | 4.92 g | 2026-08-11 | Manufacturer referenceSource reviewed | Use 5 V and UART3 on the selected Kakute H7. Fit both supplied antennas clear of carbon and propellers; account for replacement antenna weight separately. |
| Build 2 — 5-inch HD | — | Battery | Tattu R-Line V5 1400 mAh 6SReference partFlight batteries for the five-inch route; one carried at a time. | 4 | single pack; 1 per order | 1 | $50.00Per package (USD) | $200.00 | 222 g | 2026-08-10 | Manufacturer referenceSource reviewed | Select exact 1400 mAh 6S XT60U. Balance-charge as ordinary LiPo, 4.2 V per cell; use the cell count and charge current in Chapter 4. |
| Build 2 — 5-inch HD | — | Buzzer / finder | VIFLY Finder 2Reference partBattery-backed recovery buzzer for Build Two. | 1 | single; 1 per order | 1 | $15.00Per package (USD) | $15.00 | 5 g | 2026-05-11 | Manufacturer referenceSource reviewed | Use the board's regulated 5 V and documented ground/control pads, never a raw flight pack. Chapter 11 separates no-video timed preparation from command, backup and button-stop checks. Completed timing is not measured capacity; record the actual results before flight. |
| Build 2 — 5-inch HD | — | Base TPU kit | Frame-specific camera and antenna mountsChoose by specificationMounts for the actual frame and installed electronics. | 1 | kit; 1 per order | 1 | $12.00Planning allowance (USD) | $12.00 | 10 g | 2026-08-11 | Match the selected build; see the buying notes. | Choose parts made for the exact camera and antenna shapes. The action-camera mount belongs in the separate payload budget. |
| Build 2 — 5-inch HD | — | Antennas | Matching DJI and ELRS spare antennasOptionalOptional replacements for the installed radio systems. | 1 | spare kit; 1 per order | 0 | $30.00Planning allowance (USD) | $30.00 | — | 2026-08-11 | Match the selected build; see the buying notes. | Buy the exact supported antenna and coax connector for each system. Installed antennas are already counted in the system rows. |
| Build 2 — 5-inch HD | — | Capacitor | Holybro supplied 1000 µF 35 V capacitorIncludedIncluded with the selected Tekko32 ESC; no extra purchase. | 0 | included with stack; 1 per order | 1 | $0.00Per package (USD) | $0.00 | 3 g | 2026-08-11 | Manufacturer referenceSource reviewed | Use Chapter 10's combined installation and first-use entry. Verify polarity and insulate the leads; the separate foam/ties are installation consumables, not included mount parts. Its 3 g worksheet entry is an allowance, not measured support mass or fit. |
| Build 2 — 5-inch HD | — | Hardware / wire | Five-inch wiring and hardwareChoose by specificationAllowance for installation materials, not a branded kit.Match material, dimensions and duty to the actual job. Follow the selected material's instructions; carried items still need an installed-mass and fit record. | 1 | bundle; 1 per order | 1 | $15.00Planning allowance (USD) | $15.00 | 30 g | 2026-08-11 | Select by material, dimensions and duty; no single brand is required. | Use joint-specific fasteners and distinguish battery, motor, accessory and signal wires. Chapter 10's capacitor mount additionally uses plain black nonadhesive BISCO HT-800, nominal 1.60 mm, and three final T18L 111-02160 ties plus fitting spares. Buy these separately; count fitted foam/trimmed ties and supplied leads once within actual installed mass, replacing the allowance. Spare stock does not fly. |
| Build 2 — 5-inch HD | — | Spare arm + motor | Matching spare arm and motorOptionalOptional field-repair stock. | 1 | spare kit; 1 per order | 0 | $50.00Planning allowance (USD) | $50.00 | — | 2026-05-11 | Match the selected build; see the buying notes. | Match the installed frame revision and motor winding. These spares are not carried during flight. |
| Build 2 — 5-inch HD | — | Blackbox storage | 16 GB microSDHC card — FAT32Choose by specificationSeparate flight-controller Blackbox storage for Kakute H7.Match material, dimensions and duty to the actual job. Follow the selected material's instructions; carried items still need an installed-mass and fit record. | 1 | single card; 1 per order | 0 | $8.00Planning allowance (USD) | $8.00 | — | 2026-10-13 | Supported card requirementsSource reviewed | Choose SDHC, not SDXC. Format FAT32 after preserving any existing files. This is separate from O4 recording storage; card mass is counted in the installation allowance. |
| Build 2 — Toothpick | Both | Frame | Flywoo Explorer LR 4 V2 frame kitReference partFour-inch frame for the alternate Build Two routes. | 1 | kit; 1 per order | 1 | $34.99Per package (USD) | $34.99 | 52 g | 2026-10-13 | Manufacturer referenceSource reviewed | Use the exact V2 kit and its included hardware. The frame maker's recommended electronics are the basis for the revised stack choice. |
| Build 2 — Toothpick | Both | FC + 4-in-1 ESC | Flywoo GOKU F722 Pro Mini V2 AM32Reference part20 mm stack selected for the Explorer LR 4 V2 frame. | 1 | stack; 1 per order | 1 | $89.99Per package (USD) | $89.99 | 16.3 g | 2026-10-13 | Manufacturer referenceSource reviewed | Choose AM32 with the current G45M ESC, not BL32. The XT30 battery lead and capacitor are supplied; follow Chapter 10's 5 V receiver and 10 V video wiring. |
| Build 2 — Toothpick | Both | Capacitor | G45M supplied capacitorIncludedIncluded with the selected Flywoo ESC; no extra purchase. | 0 | included with stack; 1 per order | 1 | $0.00Per package (USD) | $0.00 | 2 g | 2026-10-07 | Manufacturer referenceSource reviewed | Read the actual supplied rating and polarity; use Chapter 10's combined installation and first-use entry. Foam/ties are separately obtained installation consumables. The 2 g worksheet allowance is not measured support mass or proof of fit. |
| Build 2 — Toothpick | Both | HD VTX kit | Walksnail Avatar HD Pro Kit — 8 GB SingleReference partCamera and video kit for the cruising 4S Explorer LR 4 route. | 1 | kit; 1 per order | 1 | $159.00Per package (USD) | $159.00 | 29.1 g | 2026-10-13 | Manufacturer referenceSource reviewed | Choose the single-antenna 8 GB Pro kit. Use the frame's documented Pro-camera mount and GOKU 10 V/UART3; no separate 14-to-20 mm adapter is needed. |
| Build 2 — Toothpick | Both | Receiver | RadioMaster RP1 V2Reference partExternal ELRS 2.4 GHz receiver for the toothpick builds. | 1 | kit; 1 per order | 1 | $18.99Per package (USD) | $18.99 | 2.2 g | 2026-10-13 | Manufacturer referenceSource reviewed | Use the GOKU's separate 5 V pads and UART2, not its 4.5 V receiver socket. Already included in each toothpick list; no extra receiver for simulator practice. |
| Build 2 — Toothpick | Both | Buzzer / finder | VIFLY Finder 2Reference partBattery-backed recovery buzzer for Build Two. | 1 | single; 1 per order | 1 | $15.00Per package (USD) | $15.00 | 5 g | 2026-05-11 | Manufacturer referenceSource reviewed | Use the board's regulated 5 V and documented ground/control pads, never a raw flight pack. Chapter 11 separates no-video timed preparation from command, backup and button-stop checks. Completed timing is not measured capacity; record the actual results before flight. |
| Build 2 — Toothpick | Both | TPU / frame hardware | Explorer frame kit's included accessoriesIncludedStraps, pads and frame hardware supplied with the kit. | 0 | included with frame kit; 1 per order | 0 | $0.00Per package (USD) | $0.00 | — | 2026-08-11 | Manufacturer referenceSource reviewed | No second kit purchase. Include the accessories actually fitted when weighing the finished aircraft. |
| Build 2 — Toothpick | Both | Antennas | Supplied Walksnail and ELRS antennasIncludedAntennas provided with the selected video and receiver kits. | 0 | included with systems; 1 per order | 0 | $0.00Per package (USD) | $0.00 | — | 2026-08-11 | Included with the selected equipment; no separate purchase. | Fit the antenna specified for each system; buy replacements only when needed. Count installed antennas once. |
| Build 2 — Toothpick | Both | Electronics wire / connector allowance | Toothpick wiring and hardwareChoose by specification10 g installation planning allowance; $8 wiring budget, not a TOOL03 purchase.Match material, dimensions and duty to the actual job. Follow the selected material's instructions; carried items still need an installed-mass and fit record. | 1 | bundle; 1 per order | 1 | $8.00Planning allowance (USD) | $8.00 | 10 g | 2026-08-11 | Select by material, dimensions and duty; no single brand is required. | Count the supplied XT30 lead and additional wiring once. Add Chapter 10's separately bought plain black nonadhesive 1.60 mm BISCO HT-800 and three final T18L 111-02160 ties plus fitting spares; only fitted foam/trimmed ties count within installed mass. For cruising 4S this allowance also includes eight installed TOOL03 prop screws; the full pack has its own purchase row. Replace the allowance with actual installed mass; it is not a measurement or fit guarantee. |
| Build 2 — Toothpick | Cruising | Motors (×4) | Flywoo NIN1404 V2 2750 KV-1PCReference partMotors for the cruising 4S toothpick route. | 4 | single motor; 1 per order | 4 | $14.99Per package (USD) | $59.96 | 38 g | 2026-10-13 | Manufacturer referenceSource reviewed | 2750 KV winding with Gemfan LR4024-2 and ordinary-LiPo 4S 650; not the former generic 1507 recipe. |
| Build 2 — Toothpick | Cruising | Props | Gemfan LR4024-2 Blue 1.5 mm three-holeReference partTwo Flywoo eight-prop packages (4024BLUE): 16 bought, four carried, 12 spare. Exact maker geometry controls; 1.6 g each. | 2 | eight-prop pack (4CW/4CCW); 8 per order | 4 | $3.99Per package (USD) | $7.98 | 6.4 g | 2026-10-13 | Manufacturer referenceSource reviewed | Select the 1.5 mm three-hole LR4024-2, not a 5 mm-bore prop; use with NIN 2750 KV on 4S. |
| Build 2 — Toothpick | Cruising | Battery | GAONENG GNB 4S 650 mAh 70C LiPo XT30Reference partExact 2PCS offer: four session batteries, one carried. Maker mass 71 ± 2 g; 34 x 25 x 53 mm. | 2 | two-battery pack; 2 per order | 1 | $28.10Per package (USD) | $56.20 | 71 g | 2026-10-13 | Manufacturer referenceSource reviewed | Ordinary LiPo 4S 650 XT30, not LiHV. Use 2750 KV/4024 cruising route and balance charge at 4.2 V per cell. |
| Build 2 — Toothpick | Cruising | Prop-screw supply | Flywoo TOOL03 M2 hardware packReference partOne complete mixed pack for cruising 4S: 60 M2x7 cup-head/socket-head screws; reserve eight, keep 52 same-size spares. | 1 | mixed hardware pack; 1 per order | 0 | $39.99Per package (USD) | $39.99 | — | 2026-10-22 | Manufacturer referenceSource reviewed | Use two identified M2x7 screws per NIN1404 V2 2750KV/Gemfan LR4024-2 joint; Chapter 10 owns isolated fitting after props-off checks. The full $39.99 pack is separate from the $8 wiring budget. Eight installed screws count once within the 10 g installation allowance, not as zero-mass parts. Other contents are not automatically installed; do not transfer this screw length to a different motor/prop joint. |
| Known-price parts subtotal / listed mass | ||||||||||||
What you buy and what the drone carries are different. Purchase quantity counts sale packages, not individual props or batteries. Read the contents and notes: mixed kits need a component inventory, not a single spare count. “Quantity on drone” counts only the units represented by that row's mass. A spare canopy has a cart quantity and no flight mass, because it lives in your toolbox until you break the one on the quad. “Weight on drone” is the row's total contribution to the aircraft, not a shipping status. A dash in that column means the row contributes no aircraft weight; an unknown weight is marked “Pending”. Aircraft quantities and weights are hidden in the Shared Gear view. These are the figures the Build weight planner plans against.
Subtotal, not delivered price. For an aircraft build, the figure above sums numeric cost rows in the selected dated BOM. Shared Gear alternatives are not totaled. A missing retailer price is excluded from the subtotal, not treated as a free item. Shipping and tax vary by region. Check the actual package contents and checkout total before ordering, and replace weight allowances with your assembled measurements.