RCU Forums - OS 30 Identification

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lems	11-13-2004 08:47 PM

OS 30 Identification

I was given an old trainer plane with an OS engine. This engine is a plain bearing 30. It has raised letters on the case "MAX-S OS". The back plate has serial number 3007 (or maybe this is the model number). The crankcase has a 3001 and "AK" stamped below the mounting lug. Can you tell me how old this engine is?

It is in excellent condition, maybe only ran a couple of times.

thanks, Lem

Bax	11-22-2004 03:30 PM

RE: OS 30 Identification

Your engine is the old O.S. Max .30 RC that went out of production in the 1970's.

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