Cheshire Kitten (oz1987)

About this Plan

Cheshire Kitten. Control line stunt model for .5cc motor.

Quote: "LOOKING FOR A MODEL that genuinely stunts on 0.5 cc? Cheshire Kitten is the answer. To prove his point, W.A. Pollard sent the actual prototype to the Editorial Offices for examination and tests and we confirm that even with the most soggy of thread lines, it will loop, bunt and figure-eight to your heart's content. If the wind does take it away out of control now and again, it is so light (1-3/4 oz plus engine) that it is virtually crash proof.

Details are shown on the drawing for five different engine mountings, covering all the popular types and the actual prototype was equipped with a Frog 50. With an A.M.10 we might suggest 35 ft. of .008in piano wire, but for most other engines 20 ft - 25 ft of the Keil Kraft Terylene line will give satisfactory performance.

Construction follows the sequence of making the wing, incorporating the two fuselage sides, installing the controls and joining the sides with the formers, then fitting the tail surfaces. Start by cutting out the wing ribs, all being to the same external contour, but W2 must have a slot for the bellcrank movement and W3 ribs in the port wing have holes for the leadout threads. Now cut out the fuselage sides and slide them over the leading and trailing edges to the centre position. Pack up the outline (the TE need not be tapered in thickness and only requires a radius edge) with scrap 1/4in sheet. This compensates for the symmetrical wing section and ribs should now be attached using 1/16 gussets for additional strength. Fit the bell-crank on its 1/8 ply mount in the centre section..."

Direct submission to Outerzone.

Update 09/03/2018: added article, thanks to RFJ.

Supplementary file notes

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