RCU Forums - What engine is this?

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master_retard

11-20-2003 08:42 PM

What engine is this?

I got 2 of these engines off one of my friends (score!) and I want to know exactly what type they are, i know they are O.S .21's. Will they fit in my ultra MBX pro?

master_retard

11-20-2003 08:52 PM

RE: What engine is this?

1 Attachment(s)

Here are some pics

Aerobirdbrain

11-21-2003 12:33 AM

RE: What engine is this?

oh man, those are old engines! I don't think they will work because of the shaft type. What you have is a "threaded" shaft, what you need is an SG or "pilot" shaft. Basicaly what you have are a couple of Smithsonian Museum candidates. ;).(j/k)

scale only 4 me

11-21-2003 07:19 PM

RE: What engine is this?

they look like a couple mid 70's vintage airplane engines

Missin the carbs and the thrust washers they would fetch about $5 each on ebay

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