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Wanted 3pcs piston

Post  Cescoturbo Thu Apr 02, 2020 11:36 am

Hi all, someone has a old 3pieces piston 049 in good condition? mine on thermal hopper sings metallic while is running...
i know it was a common piston in also other earlier engines.
no way to reduce gap with some tool right?
thanks
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Wanted Re: 3pcs piston

Post  balogh Thu Apr 02, 2020 11:44 am

Have the same issue with the 3-piece piston of an old Bee engine..it really rattles due to the extended gap but I cannot help it.
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Post  OhBee Thu Apr 02, 2020 2:03 pm

Anyone have a pic?... Never heard of a 3 piece piston!
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Post  balogh Thu Apr 02, 2020 2:06 pm

Scroll down in this article until the piston section

https://en.m.wikipedia.org/wiki/Cox_model_engine
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Post  Admin Thu Apr 02, 2020 2:13 pm

There is a picture somewhere of one dissembled, they are actually 4 pieces, there is a thin ring that holds the assembly together.

3pcs piston 12292210


Bob (rsv1cox) has a really good picture.
3pcs piston Cox_co10

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Wanted Re: 3pcs piston

Post  Cescoturbo Thu Apr 02, 2020 3:23 pm

this is one of my best 3pcs piston Img_2023
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Post  Levent Suberk Thu Apr 02, 2020 4:46 pm

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