About this Plan
Arrow. 1940 class B pylon model, designed by Bill Gibson originally from Dec 1940 Air Trails.
Quote: "The Arrow is a Class A/B pylon gas model out of the Goldberg Zipper (oz387) Design School. Bill Gibson, in his December, 1940, Air Trails Construction article, readily admitted that, like many planes, it was not a completely original design. A glance at the drawing reveals its Zipper-like lines, but a closer look brings out modifications and improvements that may not have resulted in better preformance, but certainly simplified construction and equipment accessibility.
Perhaps you could say these improvements allowed the builder to spend more time on trimming and adjusting, thus increasing flight times. It certainly seemed to pay off for Gibson, who won Class A at the 1940 Nats with a remarkable 47-1/2 minute flight that also set a new national record for the class.
The two most noticeable mods in the Arrow from the Zipper are the removeable pylon which gives access to the ignition components and the wing spars which are flush with the bottom of the ribs... "
Update 20/08/2012: added a clearer version of this plan, courtesy of theshadow.
Note model pic (found by RFJ) is from Aeromodeller, shows model by Jack Simmons.
Supplementary file notes
Planfile includes article.
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by Bill Gibson
from Air Trails
IC F/F Pylon
all formers complete :)
got article :)
Found online 23/04/2011 at:
Format: • PDFbitmap
Credit*: JohnAV8R, theshadow
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