Centerplates
Carbon fiber centerplates
For my next Quadrocopter I plan a bit nicer frame. Because construction isn’t my strong point I prefer something simple but reasonable priced. These out of the box frames were too expensive. Construction one by myself was not an option. Fortunately Robert made some very nice Frames and Centerplates. At first I wanted to build a CargoNG. I opted for centreplates only but in exchange with carbon fiber. Without a full frame it is easier to build and I have more freedom In terms of adding more circuit boards or a digital camera. Also if once I test some newly developed code and undergo a heavy bug, its not that expensive to repair the Quadrocopter 
Centerplates arranged in AutoCAD
But where can I let it mill? Several team members have a mill by them own, but sending plates around, over the frontier, was a bit too complicate. I found the little company Keiro located in Switzerland which makes kits for air planes and also has a CNC mill service. I found carbon fibre plates at suter swiss-composite group at reasonable prices. To minimize wasting of space I descided to mill two 340mm x 300mm, 1.5mm thick prepreg plate in one procedure. I never used a CAD software, so I’m an absolute noob! I tried to put together the dxf files with QCAD, which is open source, but I didn’t succeeded. It was the control concept which I could not work with, the simple functions like moving and coping weren’t at places I expected them. And once I found one item, I had to try several times until it worked as I wished and I searched it again the next time. AutoCAD is a very popular software, so I tried it with a trail version of it. Even with AutoCAD I needed some time to arrange all parts. But as you can see, I finally succeeded. Two weeks later my brand new centerplates arrived. As you can see, there are also some landers and some spare parts for crashes or another Quadro-/Hexacopter!
on August 1, 2010 at 1:19 am
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[...] Starting from grass is no problem, calibrating the acceleration sensor is easier too. I already wrote about my new centerplates. They look good and are very [...]
on September 5, 2010 at 8:17 am
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