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jbhart(at)onlyinternet.ne
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 Posted: Wed Aug 06, 2008 3:33 pm Post subject: VG Performance Video: Stalls, Slow Flight, Turns, Landing |
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At 04:05 PM 8/6/08 -0700, you wrote:
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Here is a video of my Kolb MK III Xtra and its performance gain with VG's
in Stalls, Slow Flight, Turns, and a 43 MPH flare to landing.
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Mike,
You make good videos
Jack B. Hart FF004
Winchester, IN
do not archive
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Possums
Joined: 03 Nov 2007
Posts: 247
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| Posted: Thu Aug 07, 2008 7:05 pm Post subject: VG Performance Video: Stalls, Slow Flight, Turns, Landing |
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At 10:23 PM 8/7/2008, you wrote:
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Possums,
What airplane are you flying now ? Which engine does it have
? How does it compare to the Kolb ?
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I wrecked my 447 Firestar back in '97 after 600 hrs. So I had the
chance to rebuild it like I wanted.
Same wing ribs you've got - just more of them ( per wing, 4 inch
wider cockpit, shorter wings, different wing tips etc.
503 CDI, saved the nosecone & the stick & some hardware. It's heavier, but the
VGs more than make up for that. It's basically a kolb except for the back end.
I like it better without the windshield when it hot. But it will
glide like a poor performance sailplane.
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40.66 KB |
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210 Time(s) |
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127.12 KB |
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212 Time(s) |
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203 Time(s) |
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51.27 KB |
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216 Time(s) |
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_________________
Possum |
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John Hauck
Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)
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| Posted: Fri Aug 08, 2008 11:21 am Post subject: VG Performance Video: Stalls, Slow Flight, Turns, Landing |
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---- ross richardson <smlplanet(at)msn.com> wrote:
Have you noticed any differance as to gallons per hour at curise speeds. Right now on my M III/ul912 in calm air I run 65-70 mph at 3700 rpm 80 mph at 4000-4200 rpm with out any VG's.
Ross R/Gang:
A normal MKIII with 912UL should cruise about 80 mph at 5,000 rpm, burning 4 gph.
A 912ULS cruises 80 to 85 mph at 5,000 rpm, burning 5 gph.
A 582 on my mkIII cruised 75 to 80 mph at 5,800 rpm burning 5.5 gph.
Either you have a very slick mkIII or your ASI is more than a little proud. 
Almost forgot to add, that is without VGs.
My mkIII is very draggy in several areas:
1 - At the rear of the entrance doors in the area of the rear quarter windows.
2 - At the intersection of the windshield and the bottom of the wing.
Not to mention the 800X6 tires, radiators, 8" pneumatic tailwheel, tail wires, and engine.
john h
mkIII - Heading home after 650+ trail miles on the Honda Rincon in two weeks in TN and KY. Time to get the MKIII out, dust it off, and see if I can still fly. Kolb Homecoming is right around the corner, 3d weekend of Sep.
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_________________
John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama |
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Possums
Joined: 03 Nov 2007
Posts: 247
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| Posted: Sun Aug 10, 2008 2:47 pm Post subject: VG Performance Video: Stalls, Slow Flight, Turns, Landing |
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At 05:45 AM 8/8/2008, you wrote:
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If you want to email me the file i'll be happy to make it a more
reasonable size[but higher quality than youtube] and host it on my
site for a while. icrashrc at aol dot com
--------
Scott
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Let me do a spin or something (I think that would be pretty safe).
It's a neat little camera.
Here's just some turns -
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