Balance is the key!
I designed that frame with two objectives in mind:
To get a motor with maximum thrust I contacted T-Motor (who had an already pretty good motor in ther lineup) and convinced them that a little more kV, some small changes on the stator and a nice paint-job on the bells would provide the perfect package for this whole category (250g 3.5")
To get the biggest mass (battery) centered in the prop-line I reduced the stack-mounting options to 25.5mm or 20mm AIOs (8mm high + 2mm for stack-nuts) and designed the arms around those.
Frame |
The Squirrel 3.5 frame-kit
Shop.rubberquads.com
|
$63.00 |
Flight Controller |
AIRBOT Fenix AIO
Shop.rubberquads.com
|
$102.00 |
Motors |
4 x RubberQuads 3-5 brushless motor
Shop.rubberquads.com
|
$80.80 |
Propellers |
HQ 3.5x2.5x3
Shop.rubberquads.com
|
$2.84 |
FPV Transmitter |
DJI O3 Air Unit Transmission Module
(25 builds)
Pyrodrone.com
|
$169.00 |
Receiver |
expressLRS EP1 receiver (2.4GHz)
Shop.rubberquads.com
|
$12.48 |
Batteries |
Gaoneng GNB 15.2V 4S 650mAh 120C LiHV Micro Battery - XT30
(3 builds)
Racedayquads.com
|
$15.39 |
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what's the kv on the motors?
4000kV