The Ultimate Compact Bumper

By Speed Sloth on Aug 10, 2017

6 1,099 5

My quest to build a Bumper quad with all parts internally mounted. The plan is to hollow out the frame and make a base plate for the carbon fibre to hold the mini stack. This quad is going to be fully featured complete with an F4, OSD, Telemetry, buzzer and an accessible USB port.

Updates: The buzzer came reversed on the FrSky reciver board and wouldn't work. It will be removed and fitted to the back of the frame. The AIO camera also died so it will be replaced with a micro swift (2.1mm lens)

Build complete! Maiden was a success and it flew beautifully on stock pids. Only downside is that it sounds like a jet engine! Took about two months to be build whilst waiting for parts. The build was relatively easy but there is a lot of DIY foam carving to be done ;)

Maiden Flight:

Photos

Part List

Frame	Bumper Frame (11 builds) Armattanquads.com	$20.00
Flight Controller	Eachine Minicube 20x20mm F4 OSD Compatible Frsky Flysky DSM RX Blheli_S 10A For Aurora 68 90 100 (2 builds) Banggood.com	$60.99
Motors	4 x Racerstar Racing Edition 1104 BR1104 6500KV 1-3S Brushless Motor for 100 120 150 Ebay.com	$52.76
Propellers	Gemfan PC 2035 BN Bullnose 4-Blade Polycarbonate Unbreakable Clear/Clear Blue/Clear Purple (34 builds) Airbladeuav.com	$3.39
FPV Camera	RunCam Micro Swift 600TVL 2.1mm IR Blocked 1/3 CCD FPV Camera PAL/NTSC 5.6g (192 builds) Banggood.com	$29.99
FPV Transmitter	Banggood.com (37 builds) Banggood.com	See Site
Batteries	Turnigy nano-tech 450mAh 3S 65C Lipo (E-flite Compatible Blade 180CFX EFLB4503SJ30) Hobbyking.com	$8.84
HD Camera	GoPro Hero5 Session, 1080p (303 builds) Amazon.com	$230.41
HD Camera	GoPro HERO5 Session (303 builds) Getfpv.com	$199.99

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Discussion

mika Nov 04, 2017

Hello. you cut out the center of the frame? to be able to place the controller and the ESC inside the mouse? thank you

Speed Sloth Jul 26, 2018

Sorry for the delay, I don't come here much! Yes, I used an hobby knife to cut the foam through and used a bit of plastic to fill the gap on the baseplate

SPST_V Aug 11, 2017

Yeah this thing is loud as hell. the only downside of ultimate anytime anywhere quad.
I made dual blade prop out of GF2035, slightly better.

Speed Sloth Aug 11, 2017

Interesting, how do the two blades effect the flight?

SPST_V Aug 15, 2017

first it is slightly less noisier... i fly 1104 6500kv as well with turnigy volt 3s hv 500mah, dual blade was almost identical to 4 blades with little bit more flight time. maybe too high kv for 3s. i want to try 1106 4000kv but this thing is immortal...

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