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Unmarked .40 control line engine - What is it? Cox_ba12




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Unmarked .40 control line engine - What is it? Empty Unmarked .40 control line engine - What is it?

Post  rsv1cox Sun Aug 21, 2022 9:39 am

Checking my neglected off-beat engines

Unmarked .40 control line engine - What is it? P1013897

I came up with this. Unmarked except for 40 on the mount and what looks like 40 SU etched on the backplate. Nice, smooth with lot's of compression. Cogged crank. Heavy as a paper weight.

Unmarked .40 control line engine - What is it? P1013900
Unmarked .40 control line engine - What is it? P1013898
Unmarked .40 control line engine - What is it? P1013899
Unmarked .40 control line engine - What is it? P1013902
Unmarked .40 control line engine - What is it? P1013901
Unmarked .40 control line engine - What is it? P1013903

Unmarked .40 control line engine - What is it? P1013904

If it's something you would like to have PM me with an offer. USA only.
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Post  GallopingGhostler Sun Aug 21, 2022 9:59 am

Looks like a Fox .40 Scheurle.
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Post  rsv1cox Sun Aug 21, 2022 10:34 am

GallopingGhostler wrote:Looks like a Fox .40 Scheurle.

Thanks George, I believe your right, under a glass the scrawl reads 40 Sul.

http://www.foxmodelmotors.com/engines/40highbc/40/40.htm
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Post  Ken Cook Sun Aug 21, 2022 2:32 pm

I have a Quickie 500 r/c racing engine from Fox which is essentially the same design. The only time I saw that exhaust manifold was on a boat version. My new engine uses a ridiculous looking heavy and long header pipe. This particular .40 isn't exactly one you come across a lot of. I know it morphed into the .45 and later a .50. The .45 had a black anodized drive washer.
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