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bob.kravis(at)gmail.com
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 Posted: Sat Jan 30, 2010 7:04 am Post subject: Firefly for X-Plane, 3 view drawings |
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I am going to attempt to create a Firefly for the simulator. To let me fly next to the woodstove as it is -4 degrees here in Greenville, Maine this morning.To start the project I need front, top and side views with dimensions. If anybody has these and could scan them and email them to me I would greatly appreciate the help.
Also it would be more accurate if I could pick an airfoil that approximates the actual one used. Any suggestions?
Bob
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elleryweld(at)aol.com
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| Posted: Sat Jan 30, 2010 8:10 am Post subject: Firefly for X-Plane, 3 view drawings |
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Bob Kravis
I think if you look in Jack B.Harts web site you will find the info you are looking for here is a link to his site
http://jackbhart.com/firefly/firefly.html
Ellery Batchelder Jr.
in Maine Mk3C
N213 582 Blue head
Garmin AERA
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rickofudall
Joined: 19 Sep 2009
Posts: 1392
Location: Udall, KS, USA
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| Posted: Sat Jan 30, 2010 9:39 am Post subject: Firefly for X-Plane, 3 view drawings |
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Bob, I can't help you with the airplane, but the closest I've ever found for any of the Kolb airfoils is the NACA 66 from the mid 1920's.
Rick Girard
On Sat, Jan 30, 2010 at 9:00 AM, Bob Kravis <bob.kravis(at)gmail.com (bob.kravis(at)gmail.com)> wrote:
[quote]I am going to attempt to create a Firefly for the simulator. To let me fly next to the woodstove as it is -4 degrees here in Greenville, Maine this morning. To start the project I need front, top and side views with dimensions. If anybody has these and could scan them and email them to me I would greatly appreciate the help.
Also it would be more accurate if I could pick an airfoil that approximates the actual one used. Any suggestions?
Bob
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get="_blank">http://www.matronics.com/Navigator?Kolb-List
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bob.kravis(at)gmail.com
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| Posted: Sun Jan 31, 2010 11:09 pm Post subject: Firefly for X-Plane, 3 view drawings |
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Ellery, thanks for the lead. Jack's site had some useful info like the wing and h-stab incidence angles.
Rick, I wasn't able to find that airfoil in the PlaneMaker programs options. I ended up using a "Cub Wing" airfoil.
I tried working from some drawings in the March '98 issue of Sport Piolet & Ultralights magazine. They were not accurate enough. Still looking for technical info and 3 view drawings.
bk
[quote][b]
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rickofudall
Joined: 19 Sep 2009
Posts: 1392
Location: Udall, KS, USA
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| Posted: Mon Feb 01, 2010 5:47 am Post subject: Firefly for X-Plane, 3 view drawings |
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Bob, Of course it will depend upon how much realism you want to get out of the simulation, but if you want to get the full effect of the Kolb Quit you'll want to modify the Cub airfoil for the ridiculously tiny leading edge radius of the Kolb. I found the NACA 66 in Mike Rice's "Handbook of Airfoil Selections for Light Aircraft", page 39.
Rick Girard
do not archive
On Mon, Feb 1, 2010 at 1:04 AM, Bob Kravis <bob.kravis(at)gmail.com (bob.kravis(at)gmail.com)> wrote:
[quote]Ellery, thanks for the lead. Jack's site had some useful info like the wing and h-stab incidence angles.
Rick, I wasn't able to find that airfoil in the PlaneMaker programs options. I ended up using a "Cub Wing" airfoil.
I tried working from some drawings in the March '98 issue of Sport Piolet & Ultralights magazine. They were not accurate enough. Still looking for technical info and 3 view drawings.
bk
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get="_blank">http://www.matronics.com/Navigator?Kolb-List
tp://forums.matronics.com
_blank">http://www.matronics.com/contribution
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[b]
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by0ung(at)brigham.net
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| Posted: Mon Feb 01, 2010 7:45 am Post subject: Firefly for X-Plane, 3 view drawings |
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| Quote: | > Rick, I wasn't able to find that airfoil in the PlaneMaker programs options. I ended up using a "Cub Wing" airfoil.
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Although the cub wing is considered a flat bottom airfoil… the bottom surface has a slight curve up ( an inch to 1 ½ inch) at the leading edge for about the first 10 inches plus or minus. My guess is that it would need very slightly less incidence and lift, and would fly 5 miles/hour faster. It should have a bit less climb rate, but have a longer glide ratio.
Remember it is only a guess, that is one step above a wag (wild as guess)
Boyd Young
Kolb mkIII
Utah
Do not archive
[quote][b]
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