Cabin Pylon (oz8548)

 

Cabin Pylon (oz8548) by Alvin Andrighetti from Air Trails 1948 - plan thumbnail

About this Plan

Cabin Pylon. Free flight sport model.

Quote: "THE Cabin Pylon is, as the name suggests, a pylon model with a built-in cabin. The model follows the general lines of Army observation planes. But despite its scale look, it is simple to construct and very rugged.

Study the plans carefully. Make full size drawings of the wing, wing spars, stab, fin, and top view of the fuselage. When drawing the full size spar layout, note that the bottom of the fib rear spar is 3/32 in above the bottom of the main spar.

After cutting out all parts, join formers F-1, F-2, F-3, F-4 together and drill four holes for the firewall and cowl mounting bolts. After this has been done, cement F-3 and F-4 together. Lock x 1" bolts in place and bind landing gear to F-4.

The bottom half of the fuselage is made first. Construct the crutch of 1/8 sq hard balsa. Now spot-cement the crutch in place on the work bench so that formers F-3 and F-4 will just hang over the edge of the work bench when cemented in position. Working from front to rear, cement the remaining bottom formers in place takirig care that they are at right angles to the crutch. Next cement keel F-30 in place.

Sheeting of the fuselage will require a large number of pins and slow-drying cement or glue. Select two sheets of 1/16 x 2 in medium balsa and trim the edge that joins the crutch for a good fit. Next apply slow-drying cement to the full length of the crutch and to all the formers. Place the sheet balsa in place and pin all formers about an 1/8 inch up from the crutch; then start at the last former and work forward, pinning the. sheet firmly to all formers and the crutch, using only as many pins as necessary.

After the cement has dried, take a straight edge and a knife and, using pins pushed through. from the inside to mark former tips, cut the excess sheeting from the end of the fuselage... ."

Cabin Pylon, from December 1948 Air Trails. Dave

Direct submission to Outerzone.

Update 29/03/2017: Added article, thanks to Gerrit Loubser.

Update 21/09/2020: Added clearer article file, thanks to theshadow.

Supplementary file notes

Article.

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Cabin Pylon (oz8548) by Alvin Andrighetti from Air Trails 1948 - model pic

Datafile:
  • (oz8548)
    Cabin Pylon
    by Alvin Andrighetti
    from Air Trails
    December 1948 
    55in span
    IC F/F Cabin
    all formers complete :)
    got article :)
  • Submitted: 20/03/2017
    Filesize: 776KB
    Format: • PDFbitmap
    Credit*: dfritzke

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Scaling

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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