How to test a DC motor for use as DC Generator “Shinn Fu” treadmill motor

How to test a DC motor for use as DC Generator

In this video we test a treadmill motor at different RPMs to see the resulting voltages. For more information please visit: www.AllEnergies.net We also discuss what to look for in a DC generator for use in Hydro or Wind.


How to test a DC motor for use as DC Generator "Shinn Fu" treadmill motor



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17 Responses to How to test a DC motor for use as DC Generator “Shinn Fu” treadmill motor

  1. greenDIYscience

    were do they use ametek motors/ were can they be found cheep?
    thanks for the great videos keep it up!

  2. trainbuilr

    Where did you buy that pelton wheel and how much

  3. MrPizzaman09

    @enticed2zeitgeist If your RPM/volt = kv is too high, your output voltage will be too low to charge a 12v battery. Output voltage = rpm / kv. For example, 12v = rpm/ 30 –> rpm = 360 rpm, which is really fast for a windmill. A lower kv rating would be better (easier for a beginner to make a succesful windmill).

  4. enticed2zeitgeist

    @MrPizzaman09 Why do you want 25-30 rpm/volt?

  5. PutchKash

    does all motors rotated by electricy can generat power if you rotat it ?

  6. PrimeTargetSecurity

    car radiator fans work good in moving water to catch all the speed with the motion of the flow. those spoon ones dont work great. they need to be used waterwheel style. think wind turbine half in the water, a brisk creek can generate alot of power with a multi setup of car fans

  7. o00o0o0o0o0o

    is Voltage per RPM more important than motor efficiency?

    Let me ask this. Would you rather use:
    A motor rated at 130 VDC rated at 75% motor efficiency
    orrrrrrr
    A motor rated at 24 VDC rated at 88% motor efficiency

    Also, do you know anything about motor efficiency vs. generator efficiency?
    Is it the same forwards and backwards (a motor with 88% efficiency also acts as a generator with 88% efficiency?)

  8. mrstevenos

    electric is our future even today - thank you for explaining voltage per rpm

  9. beveik

    here you go, genius from south america built his microhydro plant: ludens.cl/paradise/turbine/turbine.html

  10. viniciuslaur

    hello! Congratulations!
    would you know if an old motor’s treadmill products less energy than a new one?
    Thanks from Brazil!

  11. purplemutantas

    @calvinthedestroyer That may be true, but most people don’t have an oscilloscope. It wouldn’t surprise me if many of the people watching this video have no idea what an oscilloscope is. A digital multimeter, people may already have, or they can pick one up for cheap.

    A treadmill motor may not be ideal, but you can probably get one cheap off ebay. Keeping costs down will help get alternative energy into more peoples homes.

  12. calvinthedestroyer

    Your fooling yourself! you have to look at the power output with an oscilloscope not just with a DC volt meter. You will see that the power coming from the “DC generator” is not clean.

    You can gain more efficient power if you rectify the power coming out of a permanent magnet motor.

  13. nomocash

    What about using gearing for getting more RPMs

  14. AGDemo

    A++ Video Thanks!

  15. zzaf

    Hey, nice video, but I found this which was better: /watch?v=FYXnhMxqnJA

  16. ncblu66

    @htomerif : i’ve done as much with alternators as possible, back emf puts a high load on the unit and she almost locks up and is hard to start in a low wind

  17. lutherarao

    Free Energy is real and it’s here but the coverup is strong, if u r interested in a REAL free energy magnet motor

    just go to LT-MAGNET-MOTORdotCOM and download the blueprints ,it’s probably the ONLY working magnet

    motor out there.  Join the free energy revolution!!

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