Owl Racer (oz16708)

About this Plan

Owl Racer. Control line profile scale model racer. Scale is 1/12.

Quote: "Mini Goodyear Racing. Bob Walker's 1/12 scale profile Mini Goodyear version of George Owl's 1969 original Owl Racer. Model is fitted with PAW 149, the ideal motor for this fun event.

THE OWL RACER has been built as a basic trainer by many people in our club; it is also capable of giving a good account of itself in racing.

In preparation for the 78 Nets we made several models but only the Owl was completed in time for the event. It has had quite an eventful career sustaining two crashes without damage, one because of the single strand lines binding together in damp conditions and the other when the pilot got dizzy! In the week before the Nationals we managed 100 laps in 4:36 getting 48 laps_ per tank. Several more models were also being built and after much midnight oil were ready in time.

Some of the lessons we have learned during our two years of flying Mini Goodyear are as follows: Fuselages should not be made of very light wood; straight grain medium weight is needed to prevent repeated breakages. The most reliable elevator hinge that we have yet found is the linen thread criss-cross sewn type. Three ply elevator horns must have their outer lamination grains vertical but the bent wire type is generally more satis-factory. Another fault resulted from wear in the circular bellcrank where the 18 gauge pushrod went through it, appropri-ate Modifications have now been made to the design and these are shown on the plans.

The first part of building is to choosethe wood. If this is your first model, you are better with strength rather than lightness but neither do you want rock hard mater-ial. Make card templates of wing, tail and fuselage. When they are cut out check them against the plan and amend if neces-sary. Then draw on the wing and fuselage centre lines using the plan as a guide. Lay the wing template on one end of a 75 x 6 mm sheet with the centre LE flush with edge of the sheet. Check that the grain is spanwise and then draw round the temp-late. Cut out his piece about 3mm oversize all round. The remainder of this sheet is offered up to the piece just cut out to find which way round gives the best edge to edge fit, and is marked in position..."

Direct submission to Outerzone.

Quote: "Hello, attached is a plan for submission. It’s the Owl, a Mini Goodyear racer control line model.
Cheers,
Scott"

Supplementary file notes

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