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  1. sherryliang

    Pressure change in manual foot powered pump

    Thank you Artisi, I sent you an e-mail. I really appreciate you offering to connect me.
  2. sherryliang

    Pressure change in manual foot powered pump

    Hi Artisi, Yes, great point. I am actually working off a current design, but because that design required pistons that didn't fit any metal pipes currently available in local markets, it is really time consuming for the manufacturer to shape the pipes to fit the pistons. That is why we are...
  3. sherryliang

    Pressure change in manual foot powered pump

    Thank you both your responses! I really appreciate your help. The stroke length is somewhat optimized, as we have already tested and happy with the flow rate of pump with required exerted power. Human power is approximated to be around 70W with a short stroke length of 60mm. But now we want to...
  4. sherryliang

    Pressure change in manual foot powered pump

    Hi, I'm working on manufacturing a foot powered irrigation pump, a pressure treadle pump, that lifts water from up to 7m depth and can deliver water vertically 7m above ground or 100m horizontal distance. It is operated by stepping on a set of treadles, like a stair stepper machine, which moves...

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