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John Greenfield - Super Greenley
John has made two versions of his Tug available for FREE download.
Details The 88" Greenley SD This is a very simple to build model with the fuselage made from 0.8mm ply with 3mm ply doublers at the front and 10mm sq balsa longerons and cross pieces at the rear. The tails surfaces are all soft 1/2" sheet balsa and the wings are foam. The model is very stable but with high control throws is quite aerobatic. The big fat wing gives superb slow flight ability and with the addition of flaps can be landed at walking pace. Fitted with a Zenoah 62 and a minipipe this model will happily tow vintage or glass models up to 20kg Foam wings available from most of the wing cutters who advertise in the model mags The 100" Greenley SDD
Due to the ever increasing size of the gliders we tow it was felt that a larger version of the very successful SD Greenley tug was needed to enable a bigger motor to be fitted. The superb flying qualities of the SD Greenley have been maintained in the new larger design by close attention to detail and weight saving. The SDD Greenley uses the same form of simple sheet construction for the fuz and tail surfaces but features a 2 piece built up wing to aid transportation and storage. The model has a 100" wingspan and a flying weight of around 9.0 kg depending on which motor and exhaust system fitted.
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