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Cox Engine of The Month
1/2A Nut's

"TD .020 RC"

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Post  Nova Joe Mon Apr 20, 2020 7:25 am

I've looked but may have overlooked a topic, but....

I picked up several Cox engines at a garage sale. Some turn over but others don't. They look OK so I'm assuming the problem is gummed up lubricant especially as these are old enough and were run on castor. I'm pretty sure at least one is an .049 but there is one smaller and another larger. The largest one is beam mounted and no fuel tank. The smaller ones have a rear tank of plastic. How can I identify what I have?

Would posting pictures help to get an answer?

And what's the best way to loosen these engines up.

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Post  EXModelEngines Mon Apr 20, 2020 7:41 am

Welcome to the forum.

Pictures would be the best source to help you identify. There is a great group here to help with almost any Cox (and other) engine need!

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Post  Cribbs74 Mon Apr 20, 2020 8:19 am


It’s all guesswork unless we can see a picture.

You probably have a TD .010 or .020 with a plastic tank. Larger Beam mounts are TD’s and standard bee engines have the integral tank.

You can’t post pictures right away, but if you need help now shoot me a PM and I can send you my email.



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Post  getback Mon Apr 20, 2020 8:25 am

Go here for the meantime to I.D. some of ur tresurses  After wee ID them we can help more on the cleaning Sounds like you may have a .020 or .010 TD with the plastic tank if its really small.. ( i am talking the size of ur finger ) ! Look at this also  Small Cox Logo Babe Bee .049 Small Cox Logo
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