Robert Baldwin and Weldon Smith's, Hustler XD-7 Delta from the 03-62 issue of Model Airplane News.
Quote: "Evolution of a three-cornered airplane - it was impossible to believe an RC model could perform so well but after the authors described extensive design program we felt it just had to be told.
The symptoms of this unusual form of madness were first brought to light shortly after the Pylon Racing Event was introduced to RC. Our bunch, in one of our regular, every Mondya nihjt, get togethers, was busy discussing the possibilities. It sounded like it would be a lot of fun. Naturally, our conversation got around to what kinfd of model would be best for it. Whatever it was, it should be an exceptionally clean design. That's where the delta's got into it - you ought to be able to build a delta about as clean as anything - no fuselage, no separate tail feathers; just wing, engine and wheels....
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