`

Simple Deep well Treadle Pump Basic Yardpump form of Pipepump

Pump Engineering papers:

 

Uptodate JPE IMechE  /06/2022

 

Aero. J. 2019 123(1265), p.1053-1074

2018 IE! Linear Stability in Water

 

Flutter as a Wind  Energy Convertor papers  1 2 3

 

Optimal  Wind Turbine Theory Free e-Book

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


FREE designs: treadle
"Yardpump" for well (backup) "Cottage Pump" for a winter cabin waterpumping

 

Free BIKE Design: FarthingPenny Rock'n Roll Arm Assist Grocery Bike, Folding mini version  Back-pedal stirrup brake   Backpedal Brake of Rear Derailleur   


Download Wind turbine theory & easy blade design

DIY chineless compound curved plywood Canoe, Sliding seat trapeze Arrow sailing dinghy solo or duo.

DIY front rowing rig especially for canoes.

 

2022 solo “A” Vampire foiling cat design

 

Fast planing flying spinnaker from sliding seat

    

Well-mounted windpump 

.Flutterwell Pump model of Wing'dmill & Pipepump               

 New 10 min CC HQ  Video :

Wing’d Mills  2013

 

10min Video en Espanol con palabras, mehor cualidad:

Bombas Aladas  2007

 

 

       

   Site Map Flowchart

 

 

                                 Last site change Jan 7 2022