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    7

















    Followers
    Are there fairies.
    by Colin H πŸ‡¬πŸ‡§ ( Commander)
    πŸ“£










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    37 Posts 36 Replies 21 Photos 63 Likes
    ( Newest Posts Shown First )
    jbkiwi
    Commander
    πŸ“ Are there fairies.
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    Country: πŸ‡³πŸ‡Ώ New Zealand
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    We'll hope for a positive outlook for your DILs mum.
    JB
    Colin H
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    After carful consideration I think this model deserves a better motor as the one it has won't align to the prop shafts as the motor is much too big.
    As I have a collection of marx motors I'm thinking of going with a either a decaperm or hectoperm, unless my spare Tarcol supermarine will line up. I will post again once I find a motor that will align with the propshaft.
    Cheers Colin.
    2
    Fair winds and calm waters, COLIN.
    Colin H
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    That's right Doug, I will try and catch up on the various threads I have opened, this weekend I hope to be home without any interruptions. So I'll try to get some pictures and details posted about the commander and the Wavemaster, I'm enjoying a whole day today looking after my granddaughter while the daughter in law takes her mum to hospital, she has a brain tumor and is going for a scan to check if it's got any worse.
    Cheers Colin.
    Fair winds and calm waters, COLIN.
    Colin H
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    Hi DG. It looks a similar size, but definitely not the one I have. Plus that one has diametrically opposite brushes, whereas mine has three equally spaced brush positions. And I haven't seen the adjustable field windings on any sewing machines vintage or new.
    Cheers Colin.
    Fair winds and calm waters, COLIN.
    redpmg
    Warrant Officer
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    A stitch in time no less...............
    RNinMunich
    Fleet Admiral
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    Sounds good Colin,
    Unusual but goodπŸ˜‰
    You won't need reverse for free sailing anyway will you.
    Cheers, Doug 😎
    1
    Young at heart - slightly older in other places πŸ˜‰ Cheers Doug
    DodgyGeezer
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    Western Electric Sewing Machine motor - 1917 according to this ebay sale.

    https://www.ebay.com/itm/1917-Patent-Date-Western-Electric-S...


    Probably a field-wound motor of the 'Universal' type - can run off DC or AC. It will be series wound rather than shunt - just like the Taycols. So you could make it reverse if you want to fiddle with the electrics by using the Taycol site circuitry adaptations.

    It would probably have run off 110v AC, with a rheostat providing speed control, though a rheostat would have given you less power as the speed reduced, so the dual-speed brush system may have been an improvement to give you more power at slower speeds.

    Here is a picture of an original satisfied customer...!
    https://www.ebay.com/itm/1917-Patent-Date-Western-Electric-Sewing-Machine-Motor-and-Foot-Pedal-AS-IS-/202510137622?nma=true&si=gGDjL1Ld56C2cpOn2TV9HqcjMmY%253D&orig_cvip=true&nordt=true&rt=nc&_trksid=p2047675.l2557
    πŸ”—
    2
    Colin H
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    Hi Doug, sorry for the delay on this one but I have have now cleaned and tested the motor. It does not reverse, but moving the brushes to a different position did alter the speed by about 30%. In the picture you can see a small bolt head, by slacking it off and moving it up or down its slot the speed was increased or decreased as it moved the field windings.
    I have never seen this before, but is a really handy way of setting up the motor for free sailing.
    Cheers Colin.
    1
    Fair winds and calm waters, COLIN.
    DodgyGeezer
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    ".....That motor is a puzzle, if its a dc motor why would it have 3 brushes. I have only seen 2 or 4 on dc motors......"

    From the excellent Workshop Practice series No.16 - Electric Motors - Jim Cox:

    "...More modern types (of automobile wiper motors) are permanent magnet motors which use a three brush system. A pair of brushes in the normal position 180 deg apart is used for low-speed operation. One of the low speed brushes and a third brush set at about 120deg are used for the high-speed wipe. Because the brush at 120 deg only sees a fraction of the normal motor back EMF more current flows and the motor runs proportionately faster...."
    1
    jbkiwi
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    Perhaps as was mentioned, the 3rd brush was for switching to another speed although if it is a generator of some type it might have been another voltage pickup (eg 6 or 12v perhaps?) Looks like it's either been driven or driven something with the pulley on the end?
    Going completely silly, how about an aux generator off a spitfire or similar!!???
    JB
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