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What size is the 3W Engine?

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Old 08-18-2007, 10:11 AM
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testpilot101
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Default What size is the 3W Engine?

I have an older 3W engine with four jugs. I have been told that it is a 120cc or a 140cc but I was not sure. How can I tell or is there anyone out there who may have the similiar. Thanks.Chris
Old 08-18-2007, 11:39 AM
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DadsToysBG
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Default RE: What size is the 3W Engine?

I've never known 3-w to a a 4 piston engine that small. Even they're old 120 and 140 are twins. Post a picture. Dennis
Old 08-18-2007, 01:03 PM
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wingburner
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Default RE: What size is the 3W Engine?

3W built a 4 cylinder 160cc engine a few years back...That may be what you have.
Old 08-19-2007, 06:01 AM
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Supermod56
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Default RE: What size is the 3W Engine?

If it has the small bolt pattern on the crank hub, it is a 140, 2 70B2's put together, if it has the large pattern, it's the 160. I had both, ran great, no vibration, just real loud. I used a 30-10 Menz prop on the 140, and a 32-10 on the 160.

Tom
Old 01-08-2008, 10:09 PM
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testpilot101
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Default RE: What size is the 3W Engine?

OK...so it has been a while since I have responded. Many thanks to all so far. I am still not sure what it is, so I have added some pics to my gallery. If someone could take a look and help specify what it is that would be great. The motor did have a MENZ 28x10 prop on it. Thanks again.
Old 01-09-2008, 05:59 AM
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Default RE: What size is the 3W Engine?

looks like a 140 to me.

Elson
Old 01-09-2008, 11:42 AM
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testpilot101
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Default RE: What size is the 3W Engine?

Well I guess it is a 140 then. Thanks.

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