Tyro Mk III (oz10022)
About this Plan
Tyro III. Free flight towline glider for beginners.
Quote: "TYRO Mk III. A simple glider for beginners designed by HC QUEK.
AS the name suggests, Tyro is a beginner's model, but do not be surprised by the contest performance it has in store. Accurately constructed it is capable of a consistent 2 min duration on 100 ft tow-line and regular flights of 3 min. have been achieved on a 164 ft line.
It is advisable to cover the plan with wax paper, or rub it over with ordinary candle wax, to prevent the parts built directly on it from sticking when the cement dries.
Fuselage. Cut two off FS and two off WB from 1/16 in sheet. Cement WB and the 1/8 in sq balsa longerons extending from F1 to F5 as indicated. F1 to F5 are of 1/8 in and F6 to F8 are of 1/16 sheet. Cement the 1/16 x 3/16 spacers to F6 and F7. Carefully mark off the positions for the formers on FS, then cement F3, 4 and 5 to FS. Check for squareness before cement sets. When dry bring tail end of FS together, cement and pin in position. Cement F6 to F8, in place and Ft and F2 at the nose.
Bend the tow-hook from 18 swg piano wire and bind to the it 1/8 in sq obechi longeron. The 22 swg brass tubing auto-rudder line guides should also be fixed to the longeron at the same time. Cement the longeron in position and apply cement fillets to all joints.
The nose-block pieces and the 1/16 in sheet spine and underside planking can now be added. Make the nose hatch as detailed. When dry, shape and sand nose to shape and lightly fair of the rear fuselage to section..."
Tyro, Model Aircraft, September 1963.
Direct submission to Outerzone.
Supplementary file notes
Article pages, thanks to RFJ.
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