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Feb 14, 2014, 03:35 PM
Since 1902. Maybe.
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Build Log

Quadcopter - Custom build

Few photos of a frame I built, I should maiden it tomorrow.

For now it's fitted with a partial DJI E300 kit : 2212-920kV motors, and the 9.4x4.3 propellers.
Since this frame allows props from 8 to 9.5", 320mm or 360mm between motors, I plan to also test with :
Tigers MT2208-18 1100kV, propellers HQProp 8x4.5 (should be the most agile)
Tigers MT2216-11 900kV, propellers HQProp 9x5 (should be overkill, but overkill is underrated)
Batteries : 3S-2200mAh, 4S-1800mAh, 5S-2000mAh (yes 5S *hehehe*)

Total weight with the current E300 motors and propellers and a 4S-1800 : 690 grams
I designed it to get as few things as possible in the air flow.
And only 8 screws for assembly.

Fitted with the DJI E300 2212-920kV motors, and the new 9.4x4.3 propellers :

Very simple design, one 1.5mm carbon plate, all hand-sawed, and 10x10mm aluminiums, ultra-light kind :

3 holes, for either 320 or 358mm between motors :
The 4 angles are for the ESCs.

Linking the ESCs by pairs...

The wires are a bit too thick, but I reserve myself the right to fit stupidly huge motors.

ESCs are Afro 20A :

Flight controller is a HK 1.1 AIOP (Crius clone), running Multiwii 2.3 :

Receiver is a FRSKY TFR6, FASST compatible with my Futaba 14SG :

The underside, no gimmicks, just what's necessary.
The 2 rails for the battery are a bit too long, I could gain few grams there maybe...

I will tie these cables better.

Comparing sizes with my DJI F450 :
Almost the same power, but only 55% the weight.
(690gr vs 1240gr with no camera and no FPV module)

First spins for the motors :

Proto quad - First spins... (1 min 24 sec)
Last edited by Olivier_C; Feb 14, 2014 at 04:15 PM.
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Feb 14, 2014, 06:14 PM
Harrison Ford Flight School
Sac D's Avatar
That's a cute lil bugger!
Mar 11, 2014, 06:19 PM
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May 07, 2014, 03:45 AM
Registered User
Nice Work..Oliver

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