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Getting the last drop out of brushes

Discussion in 'The Garage' started by xjwmx, Dec 3, 2010.

  1. Paul Sutton

    Paul Sutton Sprained Ankle Top Contributor

    Just rechecked the new brushes after 80 miles. They are slowly wearing in to match the rotor. My on-board voltmeter has not shown any unusual voltage fluctuations so all seems fine with the DIY brush setup.
     
    TwoManyXS1Bs likes this.
  2. xjwmx

    xjwmx It's just the unknown. Top Contributor

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    I don't think it's important for the whole face to contact the rotor. If you were to read ohms from a point on the face vs reading from something in contact with the whole face I don't think there would be a difference. You could test that by measuring with the point of the probe and then lay the probe on it sideways and read again. But the larger the area the slower it would wear for a given spring pressure.
     
    Paul Sutton likes this.
  3. Bob Kelly III

    Bob Kelly III Ranch Kid from way back,.... that got Old !

    Thanks for the Update Paul !!!!!
    I got my Digital Voltmeter mounted last night, I decided Not to go with putting it in the console or dash board as I would loose one of the indicator lights...so instead I Shoe-Gooed ot to the handle bar by the right clamp under the Key switch !
    seams to work just fine...14.0 volrs at about 3k RPM ( guessing as my tach quit again ! )
    .....Bob......
     

    Attached Files:

  4. 5twins

    5twins XS650 Guru Top Contributor

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    I thought maybe you'd nail it on, lol.
     
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  5. Bob Kelly III

    Bob Kelly III Ranch Kid from way back,.... that got Old !

    I should'a bailing-wired it on there just fer you LOL !!!! I bet you would'a appreciated that'en ! HAHAHAH!
    .....
    Bob......
     
  6. XStretchified650

    XStretchified650 Back in the 650 Saddle

    Made me laugh.....Then I had to look up Shoo Goo.

    Product history
    Origins
    Shoe Goo was created in 1972 by Lyman Van Vliet, a 45-year-old senior executive at Hughes Aircraft Co. with a degree in physics from Wayne State University. A frequent player of tennis, Van Vliet was dissatisfied with the durability of the soles of his tennis shoes and sought a method to extend their life by repairing them.

    Although Van Vliet already held several
    patents related to the aerospace industry, he had no extensive background in chemistry. Nevertheless, he set to work to create an adhesive which could be used to create a pliable surface coating for shoe soles, whipping up his experimental blends in a spaghetti pot. The ultimate result of Van Vliet's efforts was a polymer that was eventually marketed as "Shoe Goo".

    It appears that Shoo Goo has its roots in the aerospace industry so maybe you are on to something there. That being said...... please add at least a small piece of bailing wire so we all feel better.

    Just joking here Bob, while I'm not ready to use it for motorcycle assembly I appreciate your earthy ingenuity. And it possibly works even better than bailing wire.

    XStretchified
     
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  7. Bob Kelly III

    Bob Kelly III Ranch Kid from way back,.... that got Old !

    LOL well, I took a file and scratched the hell out of the chrome on the handle bar where it is glued to... Hopefully it will stick good but there is no guarantees.... the meter is waterproof ( or so they say ) and the wires just run into the headlight bucket where the key switch plugs in at
    so I just tapped the brown wire from the keyswitch for the power.... it turns on and goes off with the keyswitch and shows the voltage going through the entire system..... Well mostly.
    so far it's staying on there ! HA !!!!!!
    .....
    Bob....
     
  8. 650Skull

    650Skull SSSSSSSSSlither Top Contributor

    After straightening the nail 5 times it was decided that was the wrong approach...........:laughing:
     
    Michaelo, Paul Sutton and mrtwowheel like this.
  9. mrtwowheel

    mrtwowheel Honda Etched On Brain Top Contributor

    Thanks for the idea Bob. Zip-Tie and bracket on the bar, but no Shoo-Goo.

    Scott
     
  10. Bob Kelly III

    Bob Kelly III Ranch Kid from way back,.... that got Old !

    LOL you guys ! shoe-Goo is like silicone it dries to a real flexible rubber so the meter has a soft mounting !!!!!
    the question is ....will it stay on there or not !!!!! it is real easy to remove just use a razor blade ! or pocket knife ! LOL
    ....
    Bob......
     
  11. TwoManyXS1Bs

    TwoManyXS1Bs BBQ Hunter Top Contributor

    Paul Sutton likes this.
  12. xjwmx

    xjwmx It's just the unknown. Top Contributor

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  13. TwoManyXS1Bs

    TwoManyXS1Bs BBQ Hunter Top Contributor

  14. Bob Kelly III

    Bob Kelly III Ranch Kid from way back,.... that got Old !

    the brushes are barely adequate to handle the load stock.... so if the contact is not perfectly flat on the copper strips the brush will ware extremely fast till full contact is made..... unfortunately what ya need is larger brushes but the holders are very small.
    that's my take on it !
    ......
    Bob........
     
  15. Paul Sutton

    Paul Sutton Sprained Ankle Top Contributor

    They seem to work????
     
  16. Bob Kelly III

    Bob Kelly III Ranch Kid from way back,.... that got Old !

    Indeed they do Paul but as 2M pointed out the brushes are not big enough to handle the load so if you have a bad battery that needs constant charging or extra loads like a bunch of lights drawing more amps the brushes will ware allot faster than normal because they are too small
    ...so....keep a good battery in it and don't add 2 more headlights !!!!! and you should be fine ! LOL
    ......
    Bob.......
     
  17. Paul Sutton

    Paul Sutton Sprained Ankle Top Contributor

    Quick Update: My DIY alternator brushes made from universal motor brushes (See Entry 32) after 600 miles show no significant wear - Original length 15mm and now measured at 14.9mm. This rate of wear seems very good!
     
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  18. Bob Kelly III

    Bob Kelly III Ranch Kid from way back,.... that got Old !

    Thank you for the update Paul.... I was wondering how long they would last not being OEM <grin> seams as good if not better than the original !..... very Nice....
    after buying 3 bunches of brushes I have yet to obtain brushes big enough to fit ! they either sent the wrong ones or I ordered the wrong ones
    but the fact is their all too small and buying large brushes just seams like allot of work.... but after 3 tries I guess I'll buy over size brushes and sand them down....
    thank you for the help and posts !
    Bob.......
     
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