Keep the seven-inch power train consistent
The old fields list a 45A ESC, seven-inch frame and 1.35 kg mass. Confirm motor KV, propeller and take-off mass before accepting any endurance or speed reference.
Price:
$
Model:
X4-7 INAV configuration
Wheelbase:
Archived: 7-inch X4-7 frame
Flight Control:
INAV focus — confirm controller board and firmware
Empty Weight:
Speed requires take-off mass and test conditions
Power Battery:
Archived: 4S 5100mAh — verify selected pack
Wingspan(without propellers):
Archived: 25 × 31 cm — confirm measurement basis
Folded Size(without propellers):
Archived packed size: 37 × 11 cm — confirm
Empty Weight:
Archived: 1.35 kg — confirm installed mass
Satellite Navigation System:
GNSS option — identify receiver and constellations
Endurance Time:
Endurance requires quoted battery and dated test
Maximum Horizontal Speed:
Speed requires take-off mass and test conditions
Image Transmission:
Digital video reference — name camera/VTX pair
Electronic Speed Controller:
Archived: 45A four-in-one ESC — confirm model
This seven-inch listing is organized as an interface map. Power, control, navigation and video choices must be compatible at their boundaries; naming one controller does not establish a complete or tested aircraft. This X4-7 entry describes a seven-inch airframe, 45A four-in-one ESC, 4S 5100mAh battery reference and an INAV/Betaflight choice. The title highlights INAV, so the useful buyer question is not simply whether the software can be installed. It is which controller, GNSS receiver, compass arrangement, firmware and configuration file will be delivered with the aircraft.



| Decision point | Entry to name | Acceptance evidence |
|---|---|---|
| Flight controller | Board model and INAV target | Firmware version and saved configuration |
| GNSS | Receiver model and supported constellations | Acquisition and basic position check |
| Power | 4S 5100mAh archive reference | Battery label, connector and charger record |
| Radio/video | Receiver, transmitter, camera and VTX | Model list and controlled bench result |
The old fields list a 45A ESC, seven-inch frame and 1.35 kg mass. Confirm motor KV, propeller and take-off mass before accepting any endurance or speed reference.
Satellite reception, compass placement, firmware and the environment all affect the result. Define the lawful area, reserve and recovery procedure separately from the product description.
Select the controller and sensor record before comparing headline distance.
Review each connection that joins the seven-inch platform into a functioning system.

Assess the X4-1900H through its conflicting empty-weight records, fuel-cell manual, cylinder certification, auxiliary power, logistics and service plan....

Review the document-led X4-10 racing page by resolving S7mini, receiver-brand, 4S/6S and 20/30m/s conflicts....

Review the X4-1900H high-load envelope through its 14.5/16kg conflict, energy system, manufacturer limits and configured test....

Choose INAV or Betaflight for the X4-7 as a controlled firmware baseline with board checks, backup, sensor review, remapping and retesting....

Configure the X4-7 for freestyle practice or close inspection with separate firmware, camera, mass, acceptance and change-control records....

Reconcile the X4-1900H X8/X9 propulsion and 29kg/52kg maximum take-off conflicts before selecting civil inspection or survey equipment....




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