Armstrong Whitworth FK8 (oz1681)

About this Plan

Armstrong Whitworth FK8 Big Ack. Free flight scale, to 1/12 scale and for .75cc motors. February 1968 Aeromodeller.

Quote: "A one twelfth scale model for [to match] the already popular RE8 (oz1788) and BE2e (oz1041) World War One recce types in the Aeromodeller Plans range.

IT WAS WITH surprise and delight that I opened the September 1966 Aeromodeller to find that the Aircraft Described was a model I was in the process of drawing out to a scale of 1 in to 1 ft - the FK8. It stated that the model should make a good subject for free flight and I can confirm that this is so. My model flies steadily and stably with a .75 diesel and has proved a worthwhile successor to my FK3 full size plan in Model Aircraft of December 1963. Incidentally, a number of people have seen the F.K.3 and the F.K.8 but no one has yet, correctly, identified them, but I am sure the September Aeromodeller will go a long way to rectifying this in the future.

Make up the two sides of the fuselage over the plan, making sure the grain of the 1/8 sheet is vertical. Remove from the plan and fit the formers starting with numbers six and eight. Fit the bearers and spacers, stringers and bind the 18 s.w.g. C/S struts to formers four and seven. Complete the C/S by cutting grooves in the 1/8 ply rib to take the struts and bind them firmly with thread. Coat generously with Araldite and place the 1/16 ply ribs in position on each side of the 1/8 rib.

Plank the decking with soft 3/32 balsa. Shape the undercarriage from 16 s.w.g. wire and sew to formers six and eight, bind and solder the 14 s.w.g. wire in position. Make holes for the rubber bands retaining the lower wings, and the holes for the 16 s.w.g. wing dowels..."

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