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Thread: pictures general links

  1. #11
    guyzzemf,

    I am sure you are having fun with the dynamos. I remember lo-o-ong time ago when I was playing with one old hand cranked telephone it was not so easy to crank it and it required some force to be applied with the gears it had. But at the time I was not interested in such a devices. Now it is a good memory.

    Hope you have seen the big dynamo here http://en.wikipedia.org/wiki/Magneto_(generator)


    Regards
    Lman

  2. #12
    HA Lman

    i'd love to have a hand crank ph .the wico mag and titan mag are just like a PMH with points no rotation just make or break the armature
    $(KGrHqVHJCUFCmuQ88eDBQtYR0yGgQ~~60_35.JPG
    every time i zap myself i amazed how strong it is for so little movement
    $_57 (2).jpg
    i am a licensed airframe @ powerplant . did many mags for small a/c ,but these are way different but kinda the same in how point timing
    is backwards to [coil bat-points] .I have read everybodys opinion/explanation on PMH it is still something that amazes me

    THIS IS MY NEXT BUILD
    Allegheny22a.JPG
    zz
    Last edited by guyzzemf; 10-30-2014 at 06:13 PM.

  3. #13
    Hi Guy and Lman,

    Quote Originally Posted by guyzzemf View Post
    HA Lman

    i'd love to have a hand crank ph .the wico mag and titan mag are just like a PMH with points no rotation just make or break the armature
    $(KGrHqVHJCUFCmuQ88eDBQtYR0yGgQ~~60_35.JPG
    every time i zap myself i amazed how strong it is for so little movement
    $_57 (2).jpg
    i am a licensed airframe @ powerplant . did many mags for small a/c ,but these are way different but kinda the same in how point timing
    is backwards to [coil bat-points] .I have read everybodys opinion/explanation on PMH it is still something that amazes me
    zz
    I've got an old hand crank phone magneto and also an old Model T Ford coil that both still work. I've had them since I was a kid and I'll be turning 73 next month!

    Funny story with the phone magneto is when my eldest son (now 44) was only about three years old, he was fascinated with the 120 volt wall outlets in our house. We put covers over them, but he would remove the covers and try to stick in them anything that would fit. We lectured him on the dangers of this and even swatted his bottom a few times for it. But one day I caught him getting ready to stick one of my wife's steel hair pins in an outlet we didn't get covered. The usual lecture wasn't working, so I told him that if he really wanted to know what was in there and what it felt like I could show him. He readily agreed, so out to the shop we went. I hooked a couple of jumper wires to the old telephone generator and had him hold the wires while I gave it a short crank. @#$%^&...... He threw the wires in the air crying, and went running in the house to his mother! That was the last time he ever messed with the outlets, and has a healthy respect for electricity to this day!

    My grandkids like to play with it now, but I can't talk them into holding the wires like their daddy did when he was little. They like to see how bright they can get a light to go with it and how many volts they can crank under load.

    I also have an old 1950, KF9, four cylinder Mercury outboard motor that still starts and runs great with it's original Fairbanks-Morse magneto!
    Last edited by Gary Hammond; 10-30-2014 at 06:49 PM. Reason: add content and correct errors
    Gary Hammond,

  4. #14
    I am guilty of the same as your son but i got the hairpin in [zap] and dad got zap pulling it out , he was mad
    images (48).jpgD6370CEBA2874AC49F0E43035CEB4853.JPG
    me 54

  5. #15

    Ford Model T Magneto and Coil

    Hi Guy and Gary,

    @Guy
    There are sometimes some hand cranked phones on e-bay going for like 20-50$ if you really want one.
    On your next build you will have rotating coils ?


    @Gary
    I have had not one but several close encounters with 220V as a kid and when somebody would told me that electricity could kill I just did not believe it since I had experienced the electric thrill on my own. Later when I heard that somebody died from being hit by electricity I could not understand how is it possible. I understand now but back then ... I must have been too lucky or having some angel guardians looking after me

    On the Model T ... when I was reading as much info as I can find about Edward Leedskalnin I was interested to learn more about Model T as he used the magneto from the car for his wheel. And I ran across the following :

    http://www.youtube.com/watch?v=mOjeVog4A4U
    http://www.eldensengines.com/Model T...il Tester.html

    It is the same as used in the car. I just love how it purrs. Notice also how the guy uses only two fingers to rotate it.
    And there is a patent of the Model T magneto.
    https://www.google.com/patents/US1098361

    Some rebuilding job shown here and a wooden model of the Model T Magneto.
    http://www.mtfca.com/discus/messages...tml?1320869003

    Plus lots of info on this site.
    http://www.mtfca.com/books/bookmenu.htm

    The coil has been patented by Joseph A. Williams in 1914.
    https://www.google.com/patents/US1092417
    http://www.mtfca.com/coils/Coils.htm

    I always thought the ignition coil is Tesla's idea that has been stolen from him. But the Ford Model T coil looks to me more like a Ruhmkorf coil. According to Wiki Ruhmkorf took the idea from another person and he was famous for his Ruhmkorf lamps. Similar to what Tesla was doing later.
    http://en.wikipedia.org/wiki/Heinrich_Daniel_Ruhmkorff

    I think people on the forum might find some interesting info in all these links.

    Regards
    Lman

  6. #16
    very nice Lman
    next mag t get. ill make a vid doc

  7. #17

  8. #18

  9. #19
    Senior Member Faraday88's Avatar
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    Quote Originally Posted by guyzzemf View Post
    Link no good

    got it
    not my pics old group
    Attachment 3525Attachment 3526Attachment 3527


    SS PIC
    Hi Guyzzemf,

    Whatever number of Transistor you use divide that by 6 and that will give you the Battery Voltage, dividing again this by 12 would give you the Number of 12v Battery needed for use in your set up but the Transistor size suggest that it is a BD234C or 2N3055 (Plastic package), hence its the AMP-Hour(Capacity) and not Voltage that will have to be computed for, hence substitute the Voltage(not 12 V But say 7.5 Ah per Battery )with Ah and then those many Batteries in Parallel to add to the Effective Ah Capacity to drive your set-up. the set up is neat and present ful..
    Rgds,
    Faraday88.
    Last edited by Faraday88; 04-09-2015 at 02:21 AM.

  10. #20

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