About this Plan
Tipsy. Rubber scale model. From Aeromodeller Jan 1942.
Quote: "Construction: Fuselage: First of all, obtain a block of soft balsa, 2 in by 11 in by 2-5/8 in, and carve carefully to shape. When this is clone, split the block down the centre-line and hollow out to wall thicknesses shown, not forgetting to leave a 1/4 in hole for nose-button.
The rest of the fuselage is made on the stringer principle. Pin master stringers on the drawing and cement half-formers on to these. When dry, remove from plan and complete the fuselage by adding opposite half-formers, the two side stringers and the tail-blocks. Cover the entire fuselage except the turtle-back with 1/64 balsa; add bamboo stringers and cover with tissue. Also cut a portion of the balsa covering away for insertion of rubber. Pierce holes in fuselage and cement drinking straws firmly into position.
Wings: Place spars in position on plan, also the trailing edges. Slot ribs and cement on to the spars. Rib C is cut from hard 1/4 in balsa, to which the landing gears are fitted. Cement wing tips in position and cut slots for and fit leading edges. Cover wing to dotted lines with 1/64 sheet balsa and place 1/16 sheet stiffening in position on underside of wings. Locate wing dowels from straws in fuselage and cement in position. Cover rest of wing with tissue.
Empennage: The construction of the tail and elevator is very similar to that of the wings. Cut all ribs to streamline section and cement spars in position; attach movable parts by means of aluminium hinges. Stabiliser rib A-A is made of 1/4 by 1/16 balsa, and tips are of 1/16 sheet.
Undercarriage: Cut two shapes of 1/4 in balsa and four of 1/8 balsa. Cement one piece of 1/8 each side of 1/4 sheet after space to take wheel cut out. Carve to streamline section and fit 3/4 in balsa balloon wheel. Strut is carved to section Y-Y and cemented to spat. Force a 1/16 diameter bamboo peg into the strut, and attach landing gear to rib C.
Covering and General Finish: Sand fuselage with extremely fine 'garnet' paper and give one coat of clear and two coats of coloured dope. Cover turtle-back with tissue paper and add the dummy engine, which may be made by winding thick thread round balsa cylinders and adding valve rods and spark plug leads to make a realistic job.
Flying: Fit a 5 in 'wind shovel' type propeller and two or three 12 in loops of 1/8 by 1/30 in rubber. Add very small weights to nose or tail until correct trim is obtained."
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Note this plan and article were extracted (then cleaned, edited) from the original RCLibrary magazine scans (thanks to Stormin) at https://rclibrary.co.uk/title_details.asp?ID=2224 with thanks to Mary.
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