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Motor Mount for the Axon (plane designed by Ed of Experimental Airlines)

by brainwagon, published

Motor Mount for the Axon (plane designed by Ed of Experimental Airlines) by brainwagon May 10, 2013
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Summary

A nice little motor mount I designed to hold the motor for the Axon, a pusher-prop RC airplane designed by Ed of Experimental Airlines.

You can see the Axon construction video at https://www.youtube.com/watch?v=bta80gyHK7Q

I had access to a Replicator 2, so I decided that I'd make a custom motor mount. The idea is to cut a 6" piece of 5/8" square wood (which I got from Orchard Supply) and this fits over the end. I then used mounting tape to hold the stick up against the top section of the fuselage. The size and bolt pattern are designed to hold the motor that Ed suggested:

http://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=12919

It has two sets of bolt holes for M3.5 hardware, 6mm length should be fine. the horizontal set are set 19mm apart, the vertical are separated by 16mm. There is a hole in the base which takes a #4 wood screw to hold the mount on the stick. It's sized to provide plenty of clearance for a 6x4 prop. The variable "slop" below was needed to give a little extra clearance (half a mm) in the size of the opening for the stick when I printed this: it's a snug fit on my print with the Replicator 2. You might need to adjust and/or sand the stick down to get it to fit.

I printed these with the face of both plates face down, and with supports.

It's my first OpenSCAD model that I've uploaded to Thingiverse, so be kind. It carries my personal guarantee: if it breaks in half, you get to keep both halves.

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This looks great, but does the heat from the motor cause the mount to soften?

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