Search results

  1. G

    Motor is too fast

    Replacing the motor means making a whole new device which I could do but if I could just get the speed slower this mod is ready to go. GrandpaEd
  2. G

    Motor is too fast

    I hadn't thought of making a product to sell yet, I was hoping for this to be an add on feature for myself and still keep it's original features. I'll take the string spool off and add my attachment. However at 8000 rpm it removes eveything down to dirt.
  3. G

    Motor is too fast

    I am needing it to selectively remove weeds from my lawn based on my published patent. I built a machine to do the yard but it leaves a border area and I'd like to modify this trimmer to do the same thing for this border area. Harold's post is informative. GrandpaEd
  4. G

    Motor is too fast

    BLDC? It's the no load speed spinning a string.
  5. G

    Motor is too fast

    I am trying to modify a Harbor Freight 20V cordless string trimmer ($55) for a special use. My only problem is that the 8000 rpm motor is way too fast and I need to slow it down to maybe 1700 rpm. I got a 10-50V 40A DC Motor Speed Control PWM on Ebay and connected it to 1 and 4. It barely...
Top