Frozen engines - RC Groups
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Mar 29, 2002, 11:11 PM
Registered User

Frozen engines

What would be the best liquid to soak a frozen engine in to free it up.

Thanks in advance

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Mar 29, 2002, 11:50 PM
Registered User
If its just frozen from fuel residue, put it in the oven at around 150 for a few minutes, it will free it right up.
Mar 30, 2002, 01:13 PM
Registered User
Just soak it in glow fuel for a few hours or overnight. This should free it up enough to get it apart. Clean the bearings thoroughly before running and make sure they spin free.
Mar 31, 2002, 12:12 AM
Dave Segal
Check out the April issue of Model Aviation for how to use lacquer thinner to free up an engine.

Dave Segal
Apr 10, 2002, 04:20 PM
Gravity "vacuumizes"!
Taylorcraft's Avatar
I agree with Cue.

I've seen a couple of stuck engines over the years, heat will loosen the grip. Then, when you get the engine out of the oven, offer it a generous ammount of WD-40 to really dissolve the goo and then dismantle and check the bearings.

While you're at it, clean all parts with WD-40 and ensure all the goo is gone before assembly. When putting it back together, use WD-40 to lubricate the piston/sleeve and all other parts that will rub against eachother.

This ought to solve your problem.

Solvents also do a good job, but ensure you have a well ventilated workspace when using them! *nag, nag, nag*....


Last edited by Taylorcraft; Apr 11, 2002 at 04:09 PM.

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