Skele7on - Mobula7 frame replacement.

By Taylormadearmy on Jan 09, 2019

23 1,597 12

Direct replacement for the Mobula7 frame which you can use 55mm or 65mm props with.
Only extra hardware needed is a couple of m2 screws for the battery holder and the props.

Update - I've tweaked the frame design slightly which had stiffened it a lot and hugely improves the flight performance. I also added a lot rider camera mount.

Photos

Part List

Frame	Skele7on - Mobula 7 frame "Toothpick" frame by bernitz Thingiverse.com	See Site
Flight Controller	Happymodel Crazybee F3 Flight Controller 4 IN 1 5A 1-2S Blheli_S ESC Compatible Frsky Receiver for Mobula 7 (10 builds) Taco-rc.com	$39.99
Propellers	10 Pairs Kingkong 65mm Blade Propeller Prop 20Pcs for 720 8520 Coreless Motor DIY Micro Quadcopter (30 builds) Banggood.com	$4.99

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Discussion

matthew saigon Jan 12, 2019

this kababfpv video has pid in description. check it out.
https://www.youtube.com/watch?v=1M9WutEXIZc&t=192s

matthew saigon Jan 12, 2019

sorry, this might not for you, but for people who stop by this page. if you haven't gotten the board, get beecore f4 10A. F4 and 10A!! with 10 amps you'd have a lot more option with motors and props. this is my next build, beecore f4 10a board, 1104 7500kv, gemfan 3025 bi blade, 450 2s.

drumdude0 Jan 09, 2019

Flight footage?

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sergetania Jan 10, 2019

Very impressive performance! I think Kabab suggested PIDs in one of his videos on the subject. They could be a good starting point.

Taylormadearmy Jan 11, 2019

it's designed in TinkerCAD... Happy to give access to the design but not sure that will help if you want to tweak it in a proper tool?

Taylormadearmy Jan 11, 2019

Ahh. Don't think i have airmode on. looking at the video the weirdness happens on low throttle so that's probably it...

QuadConnect Jan 09, 2019

From a design standpoint I'd filet the edges more. Looking good tho, I'll probably print this sucker out myself! What material did you use?

Taylormadearmy Jan 10, 2019

I designed it in TinkerCAD so easier said than done 🤣
Its printed in polycarbonate. Its such a great material for these small drones...
I did a test print in nylon-CF and I reckon it will stand up to a reasonable amount of abuse. ABS may work too - its such a light build after all...

sergetania Jan 09, 2019

Sorry for being very sceptical about ability of the frame to withstand crashes. The spot where the motor mount connects to the arm just doesn't look strong enough. I may be totally wrong about this. Have you crashed this drone a few times yet?

Taylormadearmy Jan 10, 2019

It's polycarbonate...
Trickier to print, but it does allow designs like this to be virtually indestructible.
ere's an idea of the abuse it can take:

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