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Type: Posts; User: brodonh

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  1. Replies
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    Hi All, New vid of 200 pounder Newman motor...

    Hi All,

    New vid of 200 pounder Newman motor smoke test.

    USE DROP BOX LINK IN PREVIOUS POST #41

    Talked to Geoff Miller and he was very glad to see it running in the vid.

    He was pleased...
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    conference build from sheet

    Keepin' on with the project

    Talked to Geoffrey and have to make adjustments.

    Link to to pics and vid of partial construction.
    ...
  3. Replies
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    H Faraday88, I did a lot with these motors and...

    H Faraday88,
    I did a lot with these motors and same type of Generator back in '7 or so.
    I see now that they are Newman ripoffs and I never had enough wire.
    I cannot speak highly of the gentleman...
  4. Replies
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    My small newman runs comfortably @1000rpm, 650v,...

    My small newman runs comfortably @1000rpm, 650v, 80-120mA, no load.
    This is from a pwr supply rather than small batts.
    Had to stabilize the brass strip brushes at the tops.
    Looking to run load...
  5. Replies
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    Hi All, I was curious regarding a custom 4inch...

    Hi All,
    I was curious regarding a custom 4inch long mag idea, so I drew it up with cad 2D and ask the Super magnet man web site to estimate.
    .

    QTY: 1 set magnetized in pairs.
    Unit price:...
  6. Replies
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    Put the 3 strand windings in series and the motor...

    Put the 3 strand windings in series and the motor runs better at 50% less amp draw, down to 100ma regardless of the voltage.

    Increased torque.

    bro d
  7. Replies
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    [QUOTE=geoffrey sr miller;28141]Hi To ALL ...

    [QUOTE=geoffrey sr miller;28141]Hi To ALL

    Brodonh nice Newman motor !!

    Hi Jeff, thanks for noticing.

    This motor is a trial run to prepare for the conference build sheet motor.

    Plans...
  8. Replies
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    Hi Faraday88, Glad to hear from you. Are you...

    Hi Faraday88,
    Glad to hear from you.
    Are you feeling better?

    60lbs of trifiler #18 wire.

    I don't want to buy more #18 wire because I plan to use what is on the this Newman coil for another...
  9. Replies
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    Batteries are getting hot and running down...

    Batteries are getting hot and running down rapidly.
    Commutator drags it down.
    ???
  10. Replies
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    4 micro wave oven caps (about 1uF X 2000V in oil)...

    4 micro wave oven caps (about 1uF X 2000V in oil) stopped the sparking at 70v and about 255rpm.
    The batteries seem to be maintaining their present charge have to let it run.
    bro d
  11. Replies
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    Friday: The Small Newman passed the smoke test....

    Friday: The Small Newman passed the smoke test.
    Need help with caps.
    bro d
  12. Replies
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    Should be ready for smoke test by friday. The...

    Should be ready for smoke test by friday.
    The commutator is ready for the brushes and have lovejoyed it to rotor shaft. (5/8" to 1")
    Epoxy comes tomorrow to finish the rotor.
    Need correct caps....
  13. Replies
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    Thanks for the kind remarks. Thinking about...

    Thanks for the kind remarks.

    Thinking about what it will take to install 28" inches of mags on a full length shaft.

    Right size steel hex tubing with 1" ID for shaft and maybe in sections.
    ...
  14. Replies
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    Hi All, Was able to get the powerful neo mags in...

    Hi All,
    Was able to get the powerful neo mags in position.
    Made two jigs with CNC router.
    1. jig to hold position of mags on hex rotor.
    2 jig mounted (used 3 of these) on shaft to hold and...
  15. Replies
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    I've got 2 mags in position but not secured....

    I've got 2 mags in position but not secured.
    Made a jig that will hold additional mags in place when positioned.

    Got to have complete control of mag when approaching rotor.

    I've machined a...
  16. Replies
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    Thanks Deuis, I'll post pics.

    Thanks Deuis,
    I'll post pics.
  17. Replies
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    big neo issues

    Hi All,
    Gathering what I need to make a Newman motor that has the same dimensions as the Geoff M's build sheet except for length.
    I got a hex bar shaft that is machined for just 4" of mags. Chose...
  18. Replies
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    6721 It looks like this company is well able...

    6721

    It looks like this company is well able to produce perfect Newman coils.
    200lbs of #38 in a pair of coils that are sealed like rocks.
    Doable.
    bro d
    ...
  19. Replies
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    Ordered a hex rod with 1" flats for the shaft ...

    Ordered a hex rod with 1" flats for the shaft
    Will machine it with 1"D ends for bearings and coupling.
    The Newman machine saga begins.
    bro d
  20. Replies
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    Hello Mr Faraday88, I have J Miller's...

    Hello Mr Faraday88,
    I have J Miller's presentation on the Newman motor.
    I'm very encouraged about being able to build a a desirable working model.
    Minimum of 140lbs of coils (2x70 lbs) #38(AWG)....
  21. 60A relays for split pos rig

    Hi All,
    I have the 60Amp relay version of the split pos rig, running on my bench.
    As usual the Battery rotation is flawless.
    I'm running the rig through a motor that is along the lines of Rick F...
  22. Hi all, Not much posting here. I've applied the...

    Hi all,
    Not much posting here.
    I've applied the upgrades that RS recommended is his vid and my split pos rig runs about the same. Not OU.
    I've got the boards cut for the 60A relay version of the...
  23. Replies
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    Great! bro d

    Great!
    bro d
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    Hi Aaron, What happened with the RS video...

    Hi Aaron,

    What happened with the RS video about the split positive rig?

    It's very important to some of us.

    Thanks,

    Bro d
  25. Hi All, Working on upgrading my Arduino...

    Hi All,
    Working on upgrading my Arduino programming skills.
    Can control all the relays (up to 32) in the rotation system with 7 in/out digital pins.
    It's called demultiplexing.
    I'm still a...
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