Whirl-Bird (oz9709)

 

Whirl-Bird (oz9709) by Lee Taylor from Flying Models 1965 - plan thumbnail

About this Plan

Whirlbird. Free flight helicopter design. Dr Lee Taylor's 1964 Nationals Winning Helicopter.

Quote: "When I received my first helicopter kit as a gift, my only intention was to use the balsa wood to repair my ukie stunt model in case of a prang. Fortunately the stunt model didn't crack-up, and out of boredom I decided to build the helicopter. Fortunate it was! I have enjoyed modeling more since I began building helicopters. I have found them intriguing, challenging, different than what everyone else is building, surprisingly inexpensive and just plain fun. Discover a new dimension - try 'Whirl-Bird' and see for yourself how much fun 'copters can be to build and fly.

I endeavor to design scale-like fuselages for my 'copters because there is nothing prettier in the air than a model helicopter that looks and flies like a real prototype. Whirl-Bird, as flown at the 1964 Nats, was the result of a gradual design evolution rather than a completely new design. The original intention when designing Whirl-Bird was twofold:

(1) to improve general stability and reduce weight over my 1963 design, the Huskie Pup III.
(2) to attempt to design a fuselage that would fly both forward and backward.

Reasonably good forward flight has been achieved with Huskie Pup III and quite accidentally a semi-scale model of the Hughes 269-A helicopter does only one thing well, and that's to fly backwards.

First flights with the Whirl-Bird prototype fuselage were disappointing in that the 'copter was neither as smooth in the air as the Huskie, nor would it fly backwards. Continued fly-ing resulted in a crack-up which was easier to repair by altering the fuse-lage design in a manner which had been previously contemplated..."

Whirlbird, Flying Models, August/September 1965.

Direct submission to Outerzone.

Supplementary file notes

Article pages, thanks to RFJ.
Article pages (in OCR format) thanks to rchopper56.

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Whirl-Bird (oz9709) by Lee Taylor from Flying Models 1965 - model pic

Datafile:
  • (oz9709)
    Whirl-Bird
    by Lee Taylor
    from Flying Models
    August 1965 
    26in span
    IC F/F
    all formers complete :)
    got article :)
  • Submitted: 15/01/2018
    Filesize: 692KB
    Format: • PDFbitmap
    Credit*: Circlip, RFJ

Whirl-Bird (oz9709) by Lee Taylor from Flying Models 1965 - pic 003.jpg
003.jpg

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Download File(s):
  • Whirl-Bird (oz9709)
  • Plan File Filesize: 692KB Filename: Whirl-Bird_FF_oz9709.pdf
  • Supplement Filesize: 3783KB Filename: Whirl-Bird_FF_oz9709_article.pdf
  • Supplement Filesize: 314KB Filename: Whirl-Bird_FF_oz9709_article_ocr.pdf
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Notes

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Scaling

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