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The tray is designed to fit a battery inside a location that would be hard to strap in or to get back off of the Velcro. It's inspired by Golden Age planes where the weight has to be as far forward as possible. This allows you to strap the battery to the tray and then insert it into the bed and...

Hi everyone. I'm building a tricopter, it's really to see if I'm wanting to buy a rexplorer v4 frame, since I have had nothing to do with tricopters yet. I've built some of the rear tilt mechanism, just needs some shaping and bits and pieces before that's done, linkages, standoffs between...