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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Recent content by 8u8u8u

  1. 8

    mini motors

    ah thank you picbits ,,gonna get on it now !!!
  2. 8

    mini motors

    hi, i am fitting a mini-motor to my static model of a Huey helicopter,the size of motor is 10mm x 8mm x 6mm, so my question is -how to extend the lenght of the shaft ? - as you can appreciate the shaft SO tiny !, super glue or similar seems out of the question , not a electro question i know...
  3. 8

    reduce voltage

    thank you !!!
  4. 8

    reduce voltage

    THANK YOU very much ! am off to check all this info out now, and copied circuit as well...
  5. 8

    reduce voltage

    ah, motor is a MICRO-ELECTROMOTOR K10WA out power...... 0.08 max torque.......0.006 Ncm no-load speed...20500rpm no-load current...0.05A nominal voltage...3v current at max operation.. 0.12v load speed 13800rpm have not started yet...
  6. 8

    reduce voltage

    thanks Uncle, looks like have my answer, am going ahead with it, can you please tell me where these small motors you mentioned that you have on your helicopters can be got please ? ..or even the brand...thanks help again..peter
  7. 8

    reduce voltage

    wow !!! where did you get them from please ???
  8. 8

    reduce voltage

    hi, thanks for that Alec !...using 2 1N4148 diodes,, not sure about a transistor buffer,its not in the circuit i have, is it really needed ?
  9. 8

    reduce voltage

    reducing voltage hi again have looked at the 555 timer chip and circuit..looks fine,but operating values are 3-18 volts...the mini motor i am considering for tail-rotor of Huey is just 3 volts, and i need to reduce the voltage... how am i doing guys ?..any coments , thanks
  10. 8

    reduce voltage

    uncle hi,thanks for that, my model is 1/24 Huey, so how would i go about PWM unit please, how small can these motors go !!!
  11. 8

    reduce voltage

    hi everybody ! , i have a Micro Motor i wish to slow down, it is rated at 3v , and load current is 0.12 amps...the rpm is 13800 !!!...could i use resistors, of course just using one 1.5v battery would half the speed ?...but how to get even lower,its use will be for the tail-rotor on a model...
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