Motor Alignment - RCCanada - Canada Radio Controlled Hobby Forum
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Old 10-26-2009, 08:54 PM   #1
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Motor Alignment

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Ok I had an electric motor on the front of a plane and it was underpowered unless I jumped up to a 4s battery. well I didn't want to go that route considering I had just sold two NIP 4s batteries. I wanted to use 2200mah 3s batteries in all my planes .When I had placed an order I had ordered an extra motor but the specs where vague to its power output compared to Turnigy XT specs. So i mounted it to the front of my QQ yak and spun it up and be dam..ed it ripped the front off the plane. Now I had also not sure why ordered one of these
Now this was purfect well almost,motor bolted right up to it and it was easy to center it other than motor sits a little to high.This is my question what flight affect will happen if motor is aligned correctly but sits slightly higher than it should.If it was any other plane I would have cowl fit issues but with the yak and its big round cowl no problem
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Old 10-27-2009, 08:23 AM   #2
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Re: Motor Alignment

I would think that minor changes in thrust centerline should have no ill effects, and can be offset if you find pitch changes with power by angling that centerline in relation to the craft.

In fact, offsetting the output down and to the right is often used to counter torque and power/pitch effects.

A few test flights may be required to tweak it, so if you find when applying power the nose has a tendency to rise and reducing power causes the nose to fall you will likely have to angle the prop downward a tad.

By the way, what plane was this on? Just about ready to install the brushless gear you sent me into the Cat.
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