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The iFlight iH3 O3 is a compact and durable frame for building lightweight FPV drones. The page says it is optimised for the DJI O3 Air Unit, with excellent compatibility and easy integration, and is suitable for freestyle and cinematic flying.
The specification list gives high-quality carbon fiber, frame dimensions of 135 x 100 x 40 mm, a 3 mm arm thickness, a 3 mm bottom plate, a 2 mm top plate, a maximum flight stack height of 19 mm, a maximum VTX height of 22 mm, motor mounting of 9x9 mm or 12x12 mm, VTX mounting of 20x20 mm (phi 2 mm) or 25.5x25.5 mm (phi 1.6 mm) and a weight of 110 g. The page did not show the item as out of stock at ₹3,379.
Compact, lightweight carbon fiber frame: for lightweight FPV builds.
Designed for the DJI O3 Air Unit: easy integration.
135 x 100 x 40 mm: frame dimensions.
9x9 / 12x12 mm motor mounting: as listed.
Max flight stack height 19 mm: max VTX height 22 mm.
110 g: as listed.
A drone frame is the skeleton that holds everything together: the arms carry the motors, the plates carry the flight controller, ESCs, battery and camera, and the whole structure must be stiff enough that vibration does not reach the gyro. Carbon fibre is the standard material because it is light and very rigid. The wheelbase, measured motor to motor across the diagonal, sets the size of propeller the frame can carry, and the arm thickness sets how well it survives crashes.
Match the frame to your parts. Check the motor mounting pattern, the flight controller and ESC stack hole spacing, the camera width, the video system you want to fly and the largest propeller the arms allow. TPU parts such as arm guards, antenna mounts and camera mounts are printed in a flexible plastic so they absorb impact. The battery strap and anti-slip pad keep the pack from moving under G-force.
Build carefully. Use thread-locking compound on the metal screws that are not in a plastic nut, keep the screw lengths from the hardware bag matched to the holes they belong in, and do not over-tighten screws into carbon fibre. Route motor wires away from sharp plate edges, mount the flight controller on soft grommets when the frame supports it, and check that nothing rubs a propeller before the first flight. After a crash, inspect the arms for cracks and replace any that are damaged.
Plan the balance of the build. A heavier battery moves the centre of gravity, so place it where the frame is designed to carry it, and keep the antenna, GPS and camera clear of the carbon plates where possible because carbon blocks radio signals.
Compact FPV builds
DJI O3 builds
Cinematic flying
Freestyle
Custom builds
The maximum flight stack height is 19 mm and the maximum VTX height is 22 mm, so check your stack before you buy. Motor mounting is 9x9 mm or 12x12 mm.
The kit includes a screw bag, a TPU set, a battery anti-slip mat and a battery strap.
Material: high-quality carbon fiber
Frame dimensions: 135 x 100 x 40 mm
Arm thickness: 3 mm
Bottom plate: 3 mm
Top plate: 2 mm
Max flight stack height: 19 mm
Max VTX height: 22 mm
Motor mounting: 9x9 / 12x12 mm
VTX mounting: 20x20 phi 2 mm / 25.5x25.5 phi 1.6 mm
Weight: 110 g
1 x iH3 frame
1 x Screw bag
1 x TPU set
1 x Battery anti-slip mat
1 x Battery strap
Builders who want a small carbon fiber frame for the DJI O3 Air Unit.
135 x 100 x 40 mm.
110 g.
9x9 mm or 12x12 mm.
19 mm.
| Brand | iFlight |
|---|---|
| Arm Thickness | 3.000000 mm |
| Material | High-quality carbon fiber |
| Weight | 110.000000 g |
| Selling unit | PCS |
