Quadcopter frame design (fiberglass).

 by starkec
Hi everyone thank you for viewing my instructable
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Thank you.

I'm a 17 year old student in South Africa with a passion for RC helicopters quad copters and planes 

RC Quad-copters are becoming a craze throughout the RC world, and its no surprise as these machines are extremely fun and rewarding to fly. One of the main problems however when starting in Quad-copters (as i found out) is finding a strong cheap reliable and well designed frame. My fist attempts at a frame were extremely heavy monsters of aluminum tubes and steel bolts.

This drove me to search for a better frame made of composite materials specifically G10 fiberglass.

Unfortunately frames from common Quad-copter shops can be very expensive and not very well engineered or suited to my needs. 

Because of this I decided to Design my own frame to suit my every need.

This instructable focuses on the frame rather than electronics and motors however i will give some guidance on appropriatly sized  
motors and such.

 
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Step 1: The design

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Features

The design is made up of a very secure "ball" that protects the electronics and attaches the arms, making it extremely crash proof.

The arms are reversible so you can fly with some motors facing up and some down, all the while maintaining the correct thrust line.

The Electronic Speed Controllers (ESC) have their own mounting boards, with appropriate mounting plates.

The Motors lie inboard of the arms for additional protection.

There is a LARGE battery bay with mounting strap holes.

The electronics platform, is large, to accommodate even the most complex installation.

The Design is also fully modular for easy replacement of parts.

No glue is used. There are some nylon bolts for easy assembly and changing out of parts / sections of the Quad Copter.

The fiberglass board and my design makes for  an extremely strong and high crash resistant  Quad Copter. 

A GoPro or any other suitably sized camera can be mounted directly to the top or bottom, of the Quad Copter.

A Sonar sensor has it's own mount place, on landing gear, with clear visibility of the ground

The whole structure is VERY LIGHT and hence gives increased flight time.

dallen-1 says: Feb 22, 2013. 7:04 AM
Awesome design! The ability to reverse the rear props is not only cool but functional. You created a passive orientational frame.

BTW did you know of any places to get cheap G-10? I can't find good prices. To make your design would probably cost $80+.
xyz_dude says: Feb 21, 2013. 8:26 PM
hi, cool design where is the dxf download? dont see on page 3 u said.,
jamess1805 says: Feb 2, 2013. 11:55 PM
How much would it cost me to purchase this frame kit from you? And, how is your gimble design coming along?
HaoAsacura says: Sep 14, 2012. 9:14 AM
Hi, how can I download de DXF files? I can´t find the links
itod says: Jun 25, 2012. 11:28 AM
Have you published DXF files for the camera gimbal? Did you made any gimbal prototype?
Bongmaster says: Jan 27, 2012. 12:36 PM
what main controller board u using?

I been playing about with KK multicopter board, and multiWii.
yet to make something that flys yet but doing tests with servos and stuff to see wat is more stable and can be promising
starkec (author) in reply to BongmasterJan 29, 2012. 1:05 AM
Im using the Arducopter flight controller from DIYdrones http://www.diydrones.com
It works very well and is in constant development as it too is an open source project.
starkec (author) says: Jan 29, 2012. 1:03 AM
If you look at the picture in step 3 there is a tag showing the location of a 10mm by 10mm scale reference box. :)

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