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Engine run-in service. Babe_b10
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Cox Engine of The Month
September-2020
sosam117's

"Traded an electric charger for this "Complete" (original) Cox Thimble Drome Olympic .15 engine. Right corner is photo as received."



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Engine run-in service. Empty Engine run-in service.

Post  Oldenginerod on Thu Sep 19, 2019 4:41 am

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Post  gkamysz on Thu Sep 19, 2019 8:12 am

You should find some threads regarding this type of break-in. It's almost like the castor synthetic debate.
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Post  getback on Thu Sep 19, 2019 8:44 am

Thats crazy for the $$ don't offer a very large range of engine displacement ?!?!? .12-.28 Huh...
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Post  gkamysz on Thu Sep 19, 2019 12:19 pm

Car engines
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Post  ian1954 on Thu Sep 19, 2019 12:39 pm

I can understand people using this service because those model car engines are diificult to run in. You can't just stick a propeller on most of them.

This is a cheap one but as you can see the carb/venturi overhangs the drive shaft.

https://www.nitrotek.co.uk/rc-accessories/engines/sh-07-engine.html

Here we have one of the more expensice

https://wheelspinmodels.co.uk/i/318527/

Same problem, Even so - not sure that an oil bath will reach the temperatures needed to run a little two stroke engine properly without excessive wear.

One of my acquaintances decided to run an engine in by mounting it on his lathe and flooding it with oil. After one hour he ended up will a clapped out engine and no compession!
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