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O.S. announces the new GT22 Gasoline Engine !

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O.S. announces the new GT22 Gasoline Engine !

Old 10-11-2012, 10:03 AM
  #26  
ameyam
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Default RE: O.S. announces the new GT22 Gasoline Engine !

The OS is a ringed engine with a pistion liner. As I understand, that equates to more power and probably a stronger punch at the low end. Inherently heavier though. Plus the wrap around muffler will make the engine quieter albeit heavier still. You are right about first cost and replacement parts pricing though

Ameyam
Old 10-11-2012, 10:11 AM
  #27  
Ernie Misner
 
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Default RE: O.S. announces the new GT22 Gasoline Engine !

Do you mean a cast iron sleeve compared to a lightweight chrome plating right on the aluminum cylinder for the other and lighter engines? I wonder how that could change the power curve any in itself.
Old 10-11-2012, 01:51 PM
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airborne2.4
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Default RE: O.S. announces the new GT22 Gasoline Engine !

ORIGINAL: Ernie Misner

Nice video. He flies the heck out of that plane and engine. Can anyone tell who makes that Extra 260? Looks like an excellent 20cc plane.
I'm not sure who makes the Extra 260, but I think the GT22 would be a good match for this:
http://phoenixmodel.com/Default.aspx...CatId=15&id=40

TH has it in stock
Old 10-11-2012, 09:18 PM
  #29  
Ernie Misner
 
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Default RE: O.S. announces the new GT22 Gasoline Engine !

Yeah, great looking plane for any 20cc. Much better price than the 3D Hobby Shop Velox but the Velox is the best of the best.

http://www.3dhobbyshop.com/70-VeloxBlue_p_16184.html
Old 10-12-2012, 05:42 AM
  #30  
airborne2.4
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Default RE: O.S. announces the new GT22 Gasoline Engine !

Yep, that Velox is the best of the best.
Old 10-12-2012, 08:57 AM
  #31  
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Default RE: O.S. announces the new GT22 Gasoline Engine !

I do agree but the price is a bit steep for my pocket for a 20 cc model.

Karol
Old 02-13-2016, 07:26 AM
  #32  
hairy46
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OS engines are first class and parts are very expensive, but I have nothing but good luck with them, I do wish DA would make an engine in the 20 range though!

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