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Irvine .25

Old 04-30-2015, 10:18 AM
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Hobbsy
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Default Irvine .25

Just for kicks I ran the little red Irvine .25 today, it's an impressive little engine.
Irvine .25
AJ Coholic head
Fuel==Davis ABC mix
Prop=Ma 10x5 tree blade
Exhaust=Davis In Cowl Muffler, very quiet.
PRM==10,101
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Old 05-02-2015, 05:03 AM
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1QwkSport2.5r
 
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Dave - Is that the ABC variant or Dykes ringed? My buddy has a Dykes ringed .25 I got for him. It's a mild engine - definitely not a powerhouse on glow fuel but a nice handling and easy starting engine though.

Last edited by 1QwkSport2.5r; 05-02-2015 at 05:23 AM.
Old 05-02-2015, 08:44 AM
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Tim, that one is an ABC, the head was made for me by AJ Coholic in Canada. The only ringed Irvine I ever owned was a red 1.50 a real sweetheart of an engine.
Old 05-02-2015, 09:06 AM
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The little .25 I got for my friend was pretty new - maybe ran for a few minutes prior to us obtaining it. It looked very well made though I had reservations about the plastic backplate. It had an Irvine 2-needle carb. I'd surmise it would run well as a diesel if he could make a head for it. He's in the process of building a 2-cylinder .22ci (two .11ci cylinders) Diesel engine from scratch. Durabar cast iron Pistons and steel liners in an aluminum case.
Old 05-03-2015, 03:52 AM
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I have an early Irvine .25 with Dykes ring. This one is very early with an aluminum carb rotor. Never have run it.
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Old 05-03-2015, 12:59 PM
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Thanks Dan, I have a .40 Diesel and a bumpy.
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