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Snoopy Baxley
Joined: 09 Jan 2006
Posts: 42
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 Posted: Tue May 15, 2007 4:18 pm Post subject: The whole truth....Firefly Prop |
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--> Kolb-List message posted by: Eugene Zimmerman <etzim62(at)earthlink.net>
But a two blade prop will out perform a three blade every time when
everything is optimized, especially prop diameter and prop speed.
On May 15, 2007, at 9:35 AM, jimhefner wrote:
| Quote: | --> Kolb-List message posted by: "jimhefner" <hefner_jim(at)msn.com>
A 3 blade prop should out climb a 2 blade prop when everything is
apples - apples.... different props and configs on different type
aircraft don't tell you much conclusive about the props. Comparing
a Firefly climb and cruise to a GT400 is apples and molasses... 
Sorry, I couldn't resist.... no offense intended!
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Jim Hefner
Kolbless in Tucson 
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No offense taken Jim
I should have added that the GT400 has a Rotax 503 with that Ivo Prop . Maybe why he can out climb my 447 3 -blade Warp . I took that it was the shorter wing area on the Firefly compared to the longer wing and thus more wing area on the GT400 . .......What say You ?
I cruise at 65 or 70 mph (indicated) .. The GT 400 cruises at 55 or 60 .
Sorry for not giving the truth and not the whole truth
Stephen Baxley
Firefly 2003 / 035
S.W. Georgia
See what's free at AOL.com.
[quote][b]
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jimhefner
Joined: 11 Jan 2006
Posts: 91
Location: Tucson, AZ
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| Posted: Wed May 16, 2007 5:36 am Post subject: Re: The whole truth....Firefly Prop |
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Stephen, no sweat.... just poking fun at you. The GT400 has a 30' wing and is a heavy, draggy plane compared to a FF. The FF is like a sports car while a GT400 is more like a station wagon.... Even with 10 more HP you outperformed it. Think they have sail cloth vs Stits covering on the wings, which is a lot of drag difference right there. Enjoy your Firefly! They are a real fun plane to fly!
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_________________
Jim Hefner
Tucson, AZ
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