Gina Posted October 4, 2020 Share Posted October 4, 2020 I have most of the mechanical parts of this project done but it still needs the electronics finished - hence work in progress.It will be using a more or less standard garage door opener motor. This uses standard bicycle chain (single speed type) to pull the roll-off-roof open or closed. The less standard part of the opener is that it has a clutch so that the mechanism can be disengaged and the roof operated manually in cased of some sort of failure. I didn't want to have the roof open with rain starting and a motor or other failure. I couldn't find any roof openers with a clutch in the UK but a friend in Sweden obtained one for me.This is the underside of the motor showing the chain run and dog clutch.The chain runs in the top groove and is held onto the sprocket by the red bit. Other parts are to do with limit switches but I'm using separate limit switches operated by the roof, more of which later. 1 Quote Link to comment Share on other sites More sharing options...
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