Lightning - Sport scale model with tractor prop, for single channel RC.
Quote: "THE days of the button are over; everyone is looking for a zippier performance. The era of the single channel model is on the decline we are told and a new breed of models dominates the skies. R /C enthusiasts everywhere are selling their cars and even cutting down on food in order to enjoy the thrills of proportional control.
This is progress and we must accept it, but has single channel (which has so much to offer for so little) been fully exploited? The average single channel man develops through various stages of proficiency until he finally flies one of the small highly manoeuv-rable machines like the Bazzbomb (oz3156). This then is the end of the road for him. He handles his model with precision: he anticipates its every move — everyone says he flies it just like multi. The moment of truth is at hand because like every good modeller our friend must progress. If he is content with his present equipment he will no doubt build his first scale model and live happily ever afterwards in his newly found biplane environment. These models we all know, provide that all essential challenge to spur us on. There is however an alternative to this valhalla that at the moment is relatively unexplored. I refer of course to the exciting and exotic jets of today.
During the last few years my son and I have built many semi-scale jet models with varying degrees of success. I hope that the experience we have gained will encourage the experts to design their own models. I think however at this point it should be mentioned that the information given refers only to delta and cut away delta shapes. We have little experience of the heavily swept, heavily tapered wings of the Boeing 707 configuration as our early experiments were not encouraging.
Design Requirements for a Single Channel Semi-Scale Jet: The model must be simple, strong and easy to build, assemble and fly. All sheet construction is ideal. Models of 3 feet span are very successful as larger models are more vulnerable and smaller models have too high a wing loading. Undercarriages are not advised as weight must be kept to a minimum apart from which the rate of descent is slightly higher than that of an orthodox model. A tractor arrangement is best. Pushers are excellent but too heavy as all the fuselage has to be strengthened and they are difficult to launch. 21cc to 5cc power is required and this may seem high for a 3 foot span model but these models can handle it and are much easier to fly at speed..."
Scan from DBHL, cleanup by theshadow.
Direct submission to Outerzone.
Update 05/02/2018: added article, thanks to RFJ.
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