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Jun 08, 2010, 06:05 PM
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Atlanta, GA USA
Joined Sep 2001
1,805 Posts
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Free plan: Glenny & Henderson Gadfly by Sherman Gillispie
Here's another one. Its the Glenny and Henderson "Gadfly", an entrant in the well known British Limpne Trials for ultra-light airplanes in the early and mid 1920s (http://en.wikipedia.org/wiki/Lympne_...ircraft_trials). This one was designed by Sherman Gillispie and was a plan in the April 1955 Model Airplane News. Anything Sherman Gillispie designs will fly fantastically well and this is one of his best. I have built four models from this plan over the years beginning with my April 1955 issue of MAN when I was fifteen. Its the BEST flying scale rubber model I have ever built! If you can't get this one to fly great you should give up and find something like collecting stamps for a hobby.
Use the .PDF file to build from. Have fun! Planeman |
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Last edited by planeman; Jun 10, 2010 at 02:05 AM.
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Jun 08, 2010, 06:12 PM
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Olympia, WA
Joined Feb 2008
1,192 Posts
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Pretty much the definition of cute. Tempting to enlarge just a tad for RC.
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Jun 08, 2010, 11:05 PM
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Gresham, OR.
Joined Mar 2004
1,207 Posts
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Poohbah,Poohbah,Poohbah,Poohbah,Poohbah.....Rah,Ra h,Rah.....Thanks!
Dave- |
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Jun 09, 2010, 07:32 AM
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Columbus, OH
Joined Mar 2005
2,942 Posts
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...........and a Gadfly flight. Not sure if its the same scale or not:
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Jun 09, 2010, 08:47 AM
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Catalonia
Joined Nov 2009
108 Posts
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Planeman, thanks for sharing the plan, it's a very very nice model. What's its span?
Trisquire, fantastic flight. This Gadfly has a DT, am I wrong? I think the Gadfly in the video is much bigger than Planeman's, maybe twice as much, don't you think so? |
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Jun 09, 2010, 11:45 AM
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Columbus, OH
Joined Mar 2005
2,942 Posts
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I don't see a DT in the pics: http://www.hallmanstudio.com/Gadfly_2.jpg
Its Tom Hallman's 36" span Gadfly. I'm guessing it was a dawn flight, judging from the fog and lack of wind. Tom's got a whole slew of interesting rubber scale videos on his YouTube account. |
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Jun 10, 2010, 01:01 AM
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Atlanta, GA USA
Joined Sep 2001
1,805 Posts
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Yup, that's the way all of my Gadflys flew! The Gadfly will glide very well, a lot better than the one in the video. All rubber powered models should first be trimmed to glide with NO POWER. Once you get the best glide (close to a stall but no stall), THEN you make all adjustments using power with variations in thrust adjustment.
Planeman |
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Jun 10, 2010, 12:35 PM
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Ajax, Ontario, Canada
Joined Oct 2004
2,442 Posts
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Interested to see no apparent incidence difference between wing and stabiliser - rigged zero/zero.
How much amendment required for flying? |
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