OS 45F engine - RCCanada - Canada Radio Controlled Hobby Forum
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Old 04-08-2004, 11:58 PM   #1
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OS 45F engine

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Hi all,
I picked up an engine at an estate sale and was wondering if anyone had any information on it. Its an OS engine and stamped on the side is 45F. I don't think its really old maybe 20yrs?
Anybody have this engine?
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Old 04-09-2004, 08:58 AM   #2
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I am: Howard
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This is the 45FSR
I hv one, 15yrs, hundreds of flies
still run great, hand start easy
one of the best engine OS made

bore - 21.8mm
stroke - 20.0mm
weight - 314gr
power - 1.3hp/16000rpm

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Old 04-09-2004, 12:04 PM   #3
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OS 45 F engine

I too have one of these engines and I can only echo JPALPHA, I bought this at a swap meet some years ago and apart from changing the front bearing it has performed beautifuly, lots of power and userfriendly, hope to be using it for many more years.

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Old 04-09-2004, 12:51 PM   #4
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Jpalpha and jonuck,
Thanx's for the info, sounds like this will be a good running strong engine. I think i'll through it in a Sig Fazer I have kicking around.
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