millertym2000

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I'm mounting my CRRC 26cc engine on my laser 200 and I have some questions. I have it mounted and its angled to where the prop is going to be off center to the right. Does it need to be center? How much can I get away with being off center? It looks like it might be a half inch off. Do I need to move it over?

flaminheli

Most planes have right thrust built into the fuse. The front of the crankshaft should be lined up with the fuse centerline which means offsetting the engine to the left of the mounting box from pilot's view.

millertym2000

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Yes this plane has that thrust. I tried to adjust for that and didn't adjust enough. Do I need to move it over or will it be ok?

MinnFlyer

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I would move it over if it's a 1/2" off

millertym2000

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Thanks MinnFlyer, Thats what I was wanting to know. Not wanting to hear, but needing to know

flaminheli

There is an easy way to mount a cowled engine. You will need to restrain the fuse in the upright position (with the nose pointing up). with the engine installed on the mounts set it on the firewall and now place the cowl over the engine. You can now move the engine around to where it is centered perfect in the cowl opening. After you have determined the correct place to mount the engine, remove the cowl and mark your holes for the engine mount. Remove the engine, drill your holes and install your engine. It will turn out perfect. On smaller planes I have suspended it from the edge of my work bench with the landing gear laying on my workbench and some sort of weights on the gear. On larger planes that are to long for my work bench I hang the plane on something tall like a dresser. I have used this method for years and it has yet to let me down.

millertym2000

My Feedback: (4)

Good idea flamineli, Thanks.