overall top view

gopro mount instead of battery holder

arms are sealed with (color matched) tape, one motor mount hole is used for positional lights

escs, homemade pdb and power module are hidden between center plates. rear standoffs together with power, light and pwm cables are covered with heatshrink tube .

top view, on the left side is the light controller

all electronics are affixed to a plate, damped and covered with a cd case

battery power connector fixed to arm with doublesided tape and ziptie

Views: 828

Comment by Stephen Zidek on December 16, 2013 at 11:14am

Very clean design.

Comment by Daniel Allen on December 16, 2013 at 12:00pm

The APM looks overly high above the CG, it looks problematic. Otherwise, look good.

Comment by Michal Rusina on December 16, 2013 at 12:41pm

it was lower, but due to magnetic interference i had to put it higher. now the motormot returns 4%. i flew it shortly and it looked ok. any experience with apm that high?

Comment by Daniel Allen on December 16, 2013 at 12:48pm

As long as it works =). You could have simply purchased the external Mag with GPS and had it higher up.

Comment by Gary McCray on December 16, 2013 at 1:22pm

Looks very clean and should work fine.

APM height offset doesn't really make much difference accel or gyro wise, but from a wind / gust or relative wind standpoint it would be better to have the enclosure lower and a compass-GPS on a mast.

Comment by Hugues on December 16, 2013 at 3:24pm

Clean build but I see at least three potential weaknesses:

-where do you put the battery?

-your telemetry antenna is horizontal and burried in cables and electronics which is is optimal to say the least

-your ESC s are burried internally and on top of each other so the heat cannot dissipate

Comment by Michal Rusina on December 16, 2013 at 3:30pm

The telemetry antenna is one thing i really want to do differently, on a similair design i couldnt make the escs significantly hot, so im assuming this wil be ok. The battery goes above the escs and under the electronics.

Comment by Randy on December 16, 2013 at 5:05pm

I like the propellers.  They look similar to the Graupner props that Dave C put on his copter that won last year's AVC.  DaveC's was also at it's heart a 3dr quad but seriously pumped up with high kv Tiger motors, those props, 4S battery and a couple of other bits.

Comment by F1P on December 16, 2013 at 10:21pm

I'm like cd bulk box head =)

Comment by Ravi on December 17, 2013 at 7:08am

try this QR brain 4 in one ESC on 3DR quad. it fits very well between the two plates. it makes a great difference which i do not know how. the quad does not moves laterally even in manual mode


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