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With an efficiency of 97%, bicycle technology is nearly perfect. So why do we use it only for transportation?
With an efficiency of 97%, bicycle technology is nearly perfect. So why do we use it only for transportation?
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    1. Andy Wekin Creator on November 12, 2013

      Hi Laura,

      The Pedal Genny can recharge a deep cycle battery, yes. It's just a question of time- some of those batteries can be large and it might take you multiple hrs of pedaling to recharge from empty.

    2. Missing avatar

      Laura on November 11, 2013

      The Pedal Genny really interests me. Could it be used to recharge a deep cycle battery?

    3. Andy Wekin Creator on November 11, 2013

      Hey Matt,
      Absolutely right, I really want to see what is possible. There is one gym I know of that has tried this- the Green Microgym- they say they can offset about 85% of their electricity use! Imagine if all fitness centers did that...
      -Andy

    4. Missing avatar

      Matt Teegarden on November 10, 2013

      As many people as I see on bikes, ellipticals and treadmills at the gym, it makes me wonder the electrical power output would be if a gym were full of these instead.

      Also reposted this on Facebook, so hopefully some friends will check it out!

    5. Andy Wekin Creator on November 3, 2013

      Hey Ben,

      That's a great idea- super simple and small footprint. We haven't done coffee grinding yet (though lots of grinding grain, etc). We are developing a smaller lever driven unit that would be well suited to kitchen tasks (grinding, blending, food processor, etc)- you are correct that doing things with leg power is much easier than hand power (4-8x) and for small tasks you don't need to produce the large power that our machines are designed to generate.

      Cheers,
      Andy

    6. Ben O'Brien on November 3, 2013

      I have a small exercise board that rocks back and forth on a half circle when you step on it. I want to get the porlex coffee grinder and hook it up so that it grinds coffee with the energy from this board so it is much faster, efficient and balanced.

      My idea to you then is to make this into a smaller compact unit that is affordable. Instead of a whole bike just a small stepping machine to do small tasks such as grind coffee with Japanese coffee grinders.

      The Porlex coffee grinder is better and cheaper then much more expensive coffee grinders yet not considered because of the effort needed to grind the coffee.

    7. Andy Wekin Creator on November 2, 2013

      Hey Ezra,

      Thanks for the kudos! It's great to hear the grain mill is still in the daily grind- it is great for us to be some small part of the amazing things you and Evan are doing- keep up the good work!

      Thanks again,
      Andy

    8. Ezra Bloom on November 2, 2013

      Andy and Steve - I love what you guys are doing. I hope you guys change the world. Let's start with New England, huh?

      The grain mill you built for us is still the hotspot on the brewery tour. We've got a link up on our facebook and website to the kickstarter, hopefully it'll send some traffic your way.

      Cheers,
      Ezra, Glass Bottom Brewery