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Richard Pike
Joined: 09 Jan 2006
Posts: 1671
Location: Blountville, Tennessee
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 Posted: Fri Apr 29, 2011 6:08 am Post subject: Finally got the VG's on |
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Put the VG's on the FSII, and we are very satisfied. Last time around, we rolled our own, this time we got the STOL Speed VG's and simply followed the company's recommendation that we put them at 10% chord, or 6" back from the leading edge.
Stall speed dropped from 35 indicated to 30 indicated, and slow flight is very pleasant. Installation was easy, took about 4 hours from start to finish, half of that was putting the double stick tape on the underside of the VG's. Really thin tape, and incredibly sticky. They supplied lots of extra tape (pre-cut to fit) and plenty of extra VG's. IMO, a good product.
Richard Pike
MKIII N420P (420ldPoops)
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Dennis Thate
Joined: 18 Nov 2010
Posts: 362
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| Posted: Fri Apr 29, 2011 8:01 am Post subject: Re: Finally got the VG's on |
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Glad to hear the VG's on the FSII are big plus, as mine came with it already on the plane.
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_________________
Both optimists and pessimists contribute to our society. The optimist invents the airplane and the pessimist the parachute. ~Gil Stern |
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Rex Rodebush
Joined: 10 Jan 2006
Posts: 209
Location: Branson West area, Missouri
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| Posted: Fri Apr 29, 2011 12:19 pm Post subject: Re: Finally got the VG's on |
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Richard,
Was there any particular reason you chose those v.g.'s over the "landshorter" ones?
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Richard Pike
Joined: 09 Jan 2006
Posts: 1671
Location: Blountville, Tennessee
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| Posted: Fri Apr 29, 2011 1:48 pm Post subject: Re: Finally got the VG's on |
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| Rex Rodebush wrote: | Richard,
Was there any particular reason you chose those v.g.'s over the "landshorter" ones? |
I liked the idea of rounded corners. Having cut the fool out of myself more than once on the home made metal ones with square corners, (as did Ed) the idea of rounded corners just sort of sounded nice. And IMO, all of them do essentially the same thing. If there are any differences, they are probably too small (for me) to measure. The speed reduction and handling improvement with these is the same as with the ones I copied from Jack Hart, (and have on the MKIII, and previously, on this airplane) with a whole lot less effort involved. Didn't have to make them, paint them, test them in different areas, etc.
The thinking was: "Why not just get the ones that come with transparent 2-sided tape, and are user-friendly?" So we did, and they lived up to their advertising copy. Probably the Landshorter ones would have also. But they have square corners. Which means that eventually Ed or I would have laid open our increasingly thinner skin.
(You young guys don't know what I'm talking about. Be patient: you will)
Richard Pike
MKIII N420P (420ldPoops)
(PS: sure do wish the wind would quit blowing 20 mph every day, I wanted really bad to go take some pictures yesterday and today of what the tornadoes have done, but it is not fit flying weather. And tomorrow I will be spending the day on a Red Cross Charity M/C ride - and the wind is forecast to be - Guess? Calm... Poo...)
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Richard Pike
Joined: 09 Jan 2006
Posts: 1671
Location: Blountville, Tennessee
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| Posted: Sat Apr 30, 2011 3:06 pm Post subject: Re: Finally got the VG's on |
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For details - http://www.bcchapel.org/pages/0003/FSII%20Vortex%20Generators.html
And here - http://www.stolspeed.com/
These may not be the best available, and the way I did it may not be optimum, but the process was easy enough and the results are good enough (IMO) that trying to do even better is not worth the effort. Or at least not worth mine.
Richard Pike
MKIII N420P (420ldPoops)
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