Puck (oz7841)


Puck  (oz7841) by Bruce Edwards 1971 - plan thumbnail

About this Plan

Puck. Rubber indoor competition model.

Quote: "A half-size microfilm covered miniature for indoor flying. Puck, by B Edwards.

THIS IS A half-size International class 65 cm high performance model and as such is capable of produc-ing excellent high performance flights when built down to minimum weight. The weight range should be between 0.005 and 0.010 oz. To get down to the lower limit with a model strong enough to be handled and flown will depend on your experience and ability. The entire model is built of wood in the 4 to 4-1/2 lb/cu ft density range. Indoor materials are now available in this country, so that there should not be any difficulty in obtaining the correct materials. Wood sizes shown are for guidance only and represent a 'middle road', rather than the ultimate, except in the case of the motor stick thickness.

Start by cutting templates for the wing, stab, fin and prop blade out of cardboard or balsa sheet. Trace the outlines directly on to your building board and pin templates in position over these. Soak your spars then pin them around the templates, using small cubes of scrap balsa to hold them in position. The prop blades arc also built flat. When the out-lines are properly dry, remove templates and glue joints with thinned cement or 'indoor glue'. One template curve does for all ribs - wing, stab and prop. Cut out and cement ribs in position, remembering that you need three deep ribs for the wing at points marked X and X'. These take the place of compression ribs and arc lighter. Motor stick blank is cut from sheet then soaked and wrapped around a 3/16 in dia former with tissue. Bake in a cool oven for 10-15 minutes (Regulo 4). Cement seam, making sure it is straight. Bend rear hook to shape and glue to rear web. The webs go RIGHT THROUGH the stick. Cut nose back at an angle of 45°, add end cap, bracing post and front bearing.

Cut a slot in the prop jig, 4-1/2 in from the tip, so that the shaft is vertical, and groove the 'Datum Line' to take the spar. Mark the spar position on your prop ribs and tip. Assemble, making sure the blade conforms to the jig shape..."

Direct submission to Outerzone.

Update 04/07/2016: article pages, text & pics added, thanks to RFJ.

Supplementary file notes

Article pages, text & pics.


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Puck  (oz7841) by Bruce Edwards 1971 - model pic

  • (oz7841)
    by Bruce Edwards
    from Aeromodeller
    April 1971 
    14in span
    Rubber F/F
    clean :)
    all formers complete :)
    got article :)
  • Submitted: 16/06/2016
    Filesize: 179KB
    Format: • PDFbitmap
    Credit*: JoeFergusson, Poacher
    Downloads: 992

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This model plan (like all plans on Outerzone) is supposedly scaled correctly and supposedly will print out nicely at the right size. But that doesn't always happen. If you are about to start building a model plane using this free plan, you are strongly advised to check the scaling very, very carefully before cutting any balsa wood.


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