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Post  Cz10 Wed Aug 31, 2011 8:43 pm

I think I read somewher that the vibrations cause by these engines caused problems. What kind of problems and why more then any other engine of that displacement?
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Post  RknRusty Wed Aug 31, 2011 10:31 pm

I don't know about the Tee Dee specifically, but vibrations can cause the fuel to get bubbles in it resulting in erratic performance.

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Post  nitroairplane Thu Sep 01, 2011 2:36 am

If you fly rc it can make servos break more quickly.
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Post  microflitedude Thu Sep 01, 2011 7:53 am

How much do 1/2a motors mess with RC equipment? Like a parkflier Rx and some 9g servos.... Any padding necessary?
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Post  nitroairplane Thu Sep 01, 2011 2:05 pm

Well it depends I have run planes with a tee dee .020 engine and used 5 gram servos and they were all fine but I have heard of people using 9 gram servos with the high performance .049s such as tee dees and they experienced servo failure. I even heard one case of a 5 gram failing with only a .010 on the model I have never had one defect in flight before.
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Post  Cz10 Thu Sep 01, 2011 5:48 pm

OK. The impression I got was there was more vibration compared to other motors of similar displacement. Due to... more power per cu. in.? Higher RPM?
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Post  nitroairplane Fri Sep 02, 2011 1:53 am

Cz10 wrote:OK. The impression I got was there was more vibration compared to other motors of similar displacement. Due to... more power per cu. in.? Higher RPM?
I think they have more RAW power available because they are un muffled most moder engines of this size are and that usually restricts the power.
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