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HomeAircraftHelicopterHIROBOOther › Avant os70
02-07-2006 01:21 AM  12 years agoPost 1
Terminator

rrApprentice

Atlanta, ga

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Hi,

I'M interested in knowing what the avant flyers her think about using an os70 and hatori sb70 muffler on the avant.


Thanks Terry

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02-07-2006 01:25 AM  12 years agoPost 2
z11355

rrMaster

New England

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it conjures up visions of a 4 cylinder 1.8 liter engine in
a Ferrari

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02-07-2006 01:44 AM  12 years agoPost 3
Flyinrazrback

rrVeteran

Fort Smith, AR

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after flying mine with the 91 SZH, i cant imagine running anything less than a 91.

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02-07-2006 01:56 AM  12 years agoPost 4
balsapro

rrVeteran

Gallatin,TN

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Just put a 90 in it. You would not be disappointed, the Avant was designed to handle the power so why go with less?

Build the Best, Fly the Best, Crash the Best

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02-09-2006 02:05 PM  12 years agoPost 5
Chopper

rrKey Veteran

Stow,Oh- oops, I mean St Louis, nope Stow again,

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The 70 will run fine. It will be a LOT better on fuel economy. The Avant is light and the engine will pull it just fine. Will it 3D harder on a 90, oh heck yes, but if you aren't doing climbing piro tic tocs, you can have a lot of fun with the 70 engine in an Avant. It should run about 15 minutes on a tank of fuel!

Paul Soha

Paul Soha is a free agent now. Wow.

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02-09-2006 10:11 PM  12 years agoPost 6
3DNinja Guy

rrNovice

Wichita, Ks

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One of my Avants has an OS 70 w/ 95T main & 12T pinion. Flies just as good as my YS Big Block Avants. And a little more econimical than the 91's. But hey,,we fly heli's..who gives a crap about economy??

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