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Super Duper Duper Greenley
The SDD Greenley is an enlargement of the very successful Super Duper
Greenley and specially designed for 100cc motors to tow the biggest
gliders.
Due to the ever increasing size of the gliders we tow it was felt that a
larger version of the 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.
Designed by John Greenfield, the SDD Greenley uses the same form of simple
sheet construction for the fuz and tail surfaces as the SD Greenley 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 is fitted and flies extremely
well.
Free plan
Available
as a download
Available
as a download