The final chapter in my series of 1S Toothpick / Ultralight builds. Ive recently switched to digital so my analog stuff wont be getting much play time anymore. This thing has pretty much been optimized to the point of perfection anyways so Im totally happy with calling this the final revision. Detailed specs have been updated below and keep an eye out for my 'Digipick' build coming soon.
Changes in v4:
1) FC has been upgraded to the Happymodel Diamond F4 AIO with Integrated RX/VTX - RX now supports removable IPEX antenna and VTX now has a max 200mW transmission power
2) Switched frames to the PicklePick 3" with 3 hole motor mount - 1.5mm thickness for best weight savings or 2-3mm for extra durability
3) Switched motors to GERPC 1102 14000KV (3 hole w/ 1.5mm shaft) - Better compatibility w/ press fit props and uses smaller/lighter m1.4 bolts instead of m2
Build Notes:
1) This frame has no rear mounting post so the Diamond F4 FC fits perfect due to its triangular shape. However it will require that you flip the FC so that USB is facing up otherwise if you leave the USB facing down it will only be supported by 2 of 3 mounting posts.
2) You will want to be sure to use m1.4 bolts with at least a 3-4mm height that way they can thread in deep enough to keep the motors secure
3) Solder pads for motors are not evenly placed so cutting motor wires to length might be easier for some (Plus youll probably shave off another ~.3-.5g)
Betaflight:
1) Per Joe Euclid creator of the JESC FW and BF Dev - w/ F411 CPUs running the 48khz mod its best to use 4k/4k Gyro/Pid Loop Update frequencies and DSHOT 300 (https://www.rcgroups.com/forums/showpost.php?p=43609211&postcount=1028)
2) Since the FC is flipped/rotated you will need to do resource mapping in order to change motor layout to match the FC's orientation (https://oscarliang.com/betaflight-resource-remapping/)
Flight Footage:
Frame |
PicklePick : 2inch, 65mm, 3 and 3.5 inch toothpick quadcopter frames by ledroneclub
(19 builds)
Thingiverse.com
|
See Site |
Flight Controller |
HappyModel DiamondF4 1S AIO Whoop Flight Controller (F4 FC / 5A 4in1 ESC / 25-400mW VTX) - Choose Your RX
(7 builds)
Racedayquads.com
|
$58.00 |
Motors |
4 x GEPRC GR1102 9000/10000/14000KV Motor For Toothpick Whoop GEPRC CineEye RC Drone Emax Tinyhawk
(6 builds)
Banggood.com
|
$42.76 |
Propellers |
GEMFAN 3018 PROPS - (4CW + 4CCW)
(38 builds)
Pyrodrone.com
|
$3.99 |
FPV Camera |
RunCam Nano 3 800TVL CMOS FPV Camera w/ Plug for Mobula 6
(21 builds)
Racedayquads.com
|
$17.99 |
Batteries |
Gaoneng GNB 1S 520mah HV 3.8V 80C PH2.0 Lipo Battery
(16 builds)
Pyrodrone.com
|
$4.99 |
Misc Parts |
NewBeeDrone BeeBrain V2 Camera Color Mount
(32 builds)
Newbeedrone.com
|
$2.99 |
Cool. Very Cool. Was about to ask, where's the rx antenna then realized it comes with the board(SPI), though I'm still wondering where you stuffed the vtx antenna. So how is Happymodel's claim of 200mw on such an insanely compact fc?
Pretty awesome! Do you find the 1102 motors are good enough for this build? Are you using 10.000 or 14.000 kv? Can you tell much of a difference between 1202.5?
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