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Tee Dee .09 muffler?

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Post  AT1984 Fri 2 Sep 2011 - 19:48

Did Cox make a muffler for the Tee Dee .09? I see a listing on eBay for a "MUFFLER for COX TD MEDALLION 09 AIRPLANE ENGINE 2640", but the package it's in is for a Tee Dee.09 Glow Head #2102. The muffler is obviously in the wrong package...

If this muffer is legit...do they work, or are the mufflers just power robbers?

Thanks!

Allen
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Post  nitroairplane Fri 2 Sep 2011 - 22:49

mufflers do rob a lot of power unless you are running backpressure to keep the fuel flow smothe.
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Post  AT1984 Fri 2 Sep 2011 - 23:09

But...did Cox make one for the TD .09?

Allen
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Post  RknRusty Fri 2 Sep 2011 - 23:10

nitroairplane wrote:mufflers do rob a lot of power unless you are running backpressure to keep the fuel flow smothe.
I think I remember having seen where someone tapped the crankcase on an .049 without a muffler for this purpose. I suppose it would have to have SPI to have enough pressure to work at all, but it doesn't seem like the best idea. Have you ever heard of such a thing?

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Post  nitroairplane Fri 2 Sep 2011 - 23:17

yes they did look at the engines in the link they are all the tee dees ever made.
http://www.mh-aerotools.de/airfoils/cox_teedees.htm
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Post  AT1984 Fri 2 Sep 2011 - 23:36

I don't know a whole lot about these engines...Is the muffler just a muffler, or is it used for throttle control? (I wouldn't want throttle control)

Thanks for answering the newbie questions!

Allen
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Post  nitroairplane Fri 2 Sep 2011 - 23:43

AT1984 wrote:I don't know a whole lot about these engines...Is the muffler just a muffler, or is it used for throttle control? (I wouldn't want throttle control)

Thanks for answering the newbie questions!

Allen
It is just a muffler no throttle on this type of muffler and I do bot think it has backpressure on it but you can tad the crankcase it you really want backpressure.
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Post  Admin Thu 8 Sep 2011 - 5:17

Here is a .09 muffler along with some other parts. It ends in a day so if you want it, you better watch it close! http://www.ebay.com/itm/Model-Airplane-Engine-Parts-COX-MODEL-AIRPLANE-PARTS-/110738645594?pt=LH_DefaultDomain_0&hash=item19c889a25a
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