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Post  anm2 Sun Aug 18, 2013 8:17 am

Look at the fourth picture. Does anyone know why the cylinder head on the TD looks silver? I have never seen that on a Cox Engine before. Andy

http://www.ebay.com/itm/Cox-Special-TD-Tee-Dee-15-Never-Started-50-Years-Old-15-/261260107112?pt=Vintage_Antique_Toys_US&hash=item3cd450dd68
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Post  Cribbs74 Sun Aug 18, 2013 9:38 am

Not sure what you are asking. Pic#4 shows the engine with the cylinder head off. The piston is showing and the piston itself is cast iron. Is that what you are referring to?

Ron
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Post  anm2 Sun Aug 18, 2013 10:00 am

Yes. The piston head on all the engines I have seen are copper colored.
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Post  Godsey3.0 Sun Aug 18, 2013 10:47 am

My Tee Dee .15 Special has a silver top as well.

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Post  Cribbs74 Sun Aug 18, 2013 1:56 pm

Like I mentioned it's a cast iron/alloy piston with a piston pin. It doesn't have the brass/copper(whatever it is) top like the .049's

Ron

Here is the test review of it from Martin's site. It has all the particulars of what the engine is made of.

http://www.mh-aerotools.de/airfoils/documents/cox_test_special_15_aeromodeller_february_1963.pdf
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Post  anm2 Sun Aug 18, 2013 2:47 pm

Thanks. Great article. Andy
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