It's basically a 5-in-1 calculator for electric powered model airplanes, helicopters, multicopters, cars, trucks and buggy's, if fact anything that uses rechargeable* batteries. (*As long as the voltage is known then any rechargeable battery including LiPo, LiFe, NiCd and NiMh batteries can be used for some calculations). If you know the current draw of your system additional calculations can be made. In the calculator all the calculations are made "on-the-fly" so no buttons need to be tapped, just input your values and the calculations will be made when enough data is available.
The images should explain how it all works but feel free to ask any questions.
Fun-scale scratch-built from polystyrene foam, unprinted paper, wood glue and covered in Solarfilm, completed July 2008
Motors: 2 x E-flight Park 370 3600's (now using L2855's and CS10 blade fans)
Fans: 2 x GWS EDF64's
Batteries used: 2 x 3S HXT2200 or 1 x 4S A123 2300 or 3S Rhino 2550mAh or (currently) 3S Turnigy 5000mAh.
ESC's: 2 x Turnigy Plush 40A.
Takeoff from a 3 wheeled foam 'dolly' with it's own RX and servo for steering.
Added full mechanical retracts in 2009
Replaced the mechnicals for servoless retracts in 2012
Builder: George Storbeck (90%) (sadly George passed away last year, RIP buddy), Graham Dyer
Design: Graham Dyer, George Storbeck
Pilot: Graham Dyer