Ole Tiger - Radio control pylon racer model.
Quote: "I FIRST decided to build a formula one pylon racer when I heard that my own club, Bradford Aeromodellers and the Harrogate Club, were going to hold a pylon race at RAF Topcliffe in April last year. Previously, I had only flown in open pylon events. This was to be my first attempt at Goodyear (Formula I) and all the other chaps in the club were building Midget Mustangs from the one and only plan we had, so I decided to design my own.
On looking through some back numbers of RCME I came across the general arrangement drawing of 'Ole Tiger'. I was at once impressed by this unusual, compact looking little racer. So, with the aid of a pair of dividers, I enlarged the drawing 13 times, to give a fuselage depth of 7 ins. The enlarged profile still looked good so I pressed on drawing up the wing and tail. The wing had to be stretched considerably to bring it within F1 specs. As for the tail unit, I sketched various sizes until I thought it looked right. The elevator still looked a bit on the small side, to I made a note to give plenty of movement for the first flight. My fears in this respect proved to be just the opposite.
The wing section was next, so digging out more mags I searched through the plan pages until I came across the Rivets from the 'other' R/C Mag. Selecting number three rib, this was used for the root, a tip rib was also taken, both were cut from 1/16in ply and the rest of the ribs formed sandwich fashion. These have now been drawn on the plan.
The plan view was drawn next, and it was at this moment I realised that the enormous cheek cowls would have to be reduced considerably if the model was not to be flown backwards by its own prop. These were cut down to take the K&B 40 head, but not so much as to lose scale effect. The formers, wing fixing method etc., were sorted out as the model took shape, so having decided on zero incidences all round including thrust lines, I was ready to start..."
Ole Tiger, RCM&E, March 1971.
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Article pages, thanks to RFJ.
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