Around 10 days ago I started a debate on wing Aerofoil choices to improve flight range rather than endurance. A number of folk joined in with ideas and suggestions, and the choice was eventually made - The Selig S7075 at 9% thickness.
Many Aerofoils were simulated and the S7075 choice seemed a good one, so I proceeded to make a prototype set of wings to begin some trials.
The 'original' wing is a Clark Z Aerofoil, 316mm Chord and 1.8meter span. Fitted to our…Continue
You may remember our previous posts of Guppy, Hornbill and Kiwit. Well, we now have a fully composite UAV, called SurVoyeur, in production. This aircraft is a sub 4.5kg electric, able to carry up to 600grams payloads for up to 45minutes. It is also a fully autonomous system, with full autolaunch and autoland in harsh terrain. It has been extensively flown here in Namibia, mostly on land surveying missions, photographing up to 150hectare in one flight. We have fitted it…Continue