Sandpiper - Radio control sport and aeronbbatic trainer. Plan shows two wings - one at 72in, one at 54in wingspan.
Quote: "DURING the winter of 1970-71 members of the Hastings club decided to build a model capable of flying long distances. We had in mind attempting some coast line flying. I undertook the task of airframe design and construction. Rather naturally, I thought of something along the lines of the Super 60 (oz552) - who doesn't turn to the Super 60 at times like this? It had to be strong, as we were thinking in terms of a tank capacity of 80-100oz. and Super Tigre 60, and it had to be stable, so as to be capable of being flown from a fairly fast boat... we used this model throughout the 1971 season for parachute dropping and streamer towing at local fetes and other events, and as a general club model.
I learnt a great deal from building and flying this model, and decided to incorporate a number of the same ideas into a new design aimed at being more acrobatic, and more modern looking, but at the same time retaining some of the characteristics of the previous machine. The result was Sandpiper, which is essentially a dual purpose model, having the qualities of a docile easy flying trainer type machine, with its large area 72in span wing, and a more sparkling acrobatic performance with its shorter 54in span wing. One can either build two wings, complete - which is really rather a chore for most people - or, when one has completed enough flying hours with the model in its initial (72in. span) form, simply cut the wing down to approximately 54in., as shown on the plan. From the steady trainer, it then undergoes a meta-morphosis, where you will find you have an extremely lively model. "
Sandpiper, Radio Modeller, May 1973.
Direct submission to Outerzone.
Article pages, thanks to RFJ.
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