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Old Jun 10, 2010, 01:10 AM
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planeman's Avatar
Atlanta, GA USA
Joined Sep 2001
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Free plan: Grumman F3F-1 - 1930's Navy Fighter from 1937 Model Airplane News

Here's a scale Grumman F3F-1, a 1930's Navy biplane Fighter from 1937 Model Airplane News. This one would make a great small electric RC as well as a good scale rubber model. Build it and let us see it here.

Use the .PDF file for building.

Planeman
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Last edited by planeman; Jun 10, 2010 at 01:42 AM.
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Old Jun 13, 2010, 09:27 PM
B for Bruce
BMatthews's Avatar
The 'Wack, BC, Canada
Joined Oct 2002
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You're much too nice to us.

Thankyou for sharing your time and library.
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Old Jun 14, 2010, 08:32 AM
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United States, VA, Chesterfield
Joined Mar 2001
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That is an old Bill Winter design--his planes fly well!
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Old Jun 14, 2010, 04:50 PM
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carbondale il
Joined Jan 2007
2,557 Posts
Thanks for the plan, this is a sharp looking bi-plane.

Kev

What's the typical wingspan?
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Last edited by kevin matthews; Jun 14, 2010 at 06:28 PM.
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Old Jun 15, 2010, 04:47 PM
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Beaumont tx
Joined Oct 2004
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That would be a good plane for the reed-former-lost-foam procedure in the latest FLYING MODELS. All those notches make my eyeballs cross.
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Old Jun 16, 2010, 01:13 PM
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Atlanta, GA USA
Joined Sep 2001
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A suggestion here. I quit cutting notches long ago. When I make a former I trim the outer edge of the former down by the depth of the stringer. I then mark the point the stringer touches the former with a pencil mark.

When gluing the stringers down to the formers I carefully place a few stringers in place using the pencil marks to locate them. I eyeball the lay of the stringer and shift it a hair to make it look right, something that can't be done using out of alignment notches. I then fill in the rest of the stringers according to the pencil marks. The lack of a notch allows me to shift the stringers slightly to get them to lay nicely along the fuselage.

Some criticize my method for "lack of strength". In a half century of building this way I have NEVER had a stringer-to-former joint to fail. I use CYA glue now but earlier it was Ambroid.

Planeman
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Old Jun 16, 2010, 09:02 PM
B for Bruce
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The 'Wack, BC, Canada
Joined Oct 2002
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And with that idea the best part is you don't need to scallop the formers to avoid all the bulges in the tissue covering.
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