Supermarine Spiteful (oz2850)

About this Plan

Supermarine Spiteful - 27in span C/L Scale model, for 1.5 - 2.5cc motors. From Model Aircraft, May 1954.

Quote: "A C/L scale model for 1.5 - 2.5 cc motors. The Supermarine Spiteful, by JR Bishop.

But for the advent of jet propulsion the Spiteful would be a better known aircraft. By making its debut as it did in 1944, this descendant of the Spitfire was destined to but a short life. However, from the modeller's point of view the sleekness of the Spiteful makes it an appealing subject for scale control line. The original model was designed for an Elfin 1.8 cc, but any engine between 1.5 and 2.5 cc should be suitable, the choice depending on the purpose for which the model is required.

Construction is commenced by pinning down the keel and cementing all the half formers, except F1, F3 and F12. Cement one planking strip, about 1/2 in wide to the formers at approximately maximum width. Remove from plan, insert F3, the fuel tank with its pipes sealed to prevent entry of foreign matter and then cement the other half formers in place. Add a 1/2 in planking strip to these formers taking care not to distort the fuselage. Insert engine bearers if needed.

Build the wings on the plan in the conventional manner. Sheet the leading edge and centre section of the upper surface and give 1 in dihedral under each tip. Cut away the centre section ribs and sheeting between the two centre ribs to receive the ply mainspar W1, which should be complete with the undercarriage mounting brackets. Fix W2 in position, preferably with Durofix.

At this stage the wing should be offered up to the fuselage, cutting away where necessary and cemented firmly in position, making sure of correct alignment. Install the bellcrank with its wing wires attached and then insert the elevator rod which should now be retained by soldering a washer. Do not allow an excess length of rod to protrude below the bellcrank, or it will foul on W3. Now Durofix W3 in position and make sure the control system movement is free.

The tailplane is now constructed as follows. Bind the hinges to the spruce elevator spar and cement this spar together with tailplane spar to upper sheeting. Add gussets and elevator horn, and trim ribs to shape. Cement tower sheeting in place..."

Supplementary file notes

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