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My free R&D for a sustainable
sharing caring world:
Low $ tension deep well water pumps & variable
stroke fluttering airfoil windmill, pump
& service faster than wind
& hand pumps.
The "Flutter well" for boreholes & floating "Flo'-Pump"
for dugouts, pump by oscillating in light wind but feather in high.
Seeking dealers/partners only. Not DIY
Patent Back-pedal
stirrup and rear derailleur brake
FREE
designs: treadle "Yardpump" for well (backup) "Cottage Pump" for a winter cabin waterpumping
Free BIKE Design: Farthing
Penny Rock'n Roll Arm Assist Grocery Bike, Folding
mini version
Download Wind Turbine Theory & easy blade design
Soft chine compound
curved Plywood Canoe
DIY
Front Rowing rig especially
for Canoes DIY
Sliding
seat Trapeze Arrow sailing
dinghy solo or duo
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