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Thread: Ilford 500 Multi Contrast Head Question

  1. #11

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    Re: Ilford 500 Multi Contrast Head Question

    Lol, "Lucas Design", yes, that takes me (and every owner of pre-70's British motorcycles) back !!

    Mike

  2. #12
    Jac@stafford.net's Avatar
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    Re: Ilford 500 Multi Contrast Head Question

    Leigh, true for your head and mine. You are are correct. I simply pointed to an earlier model in case that might be what the OP had or there was a mess-up in his dichroic filters.

  3. #13
    Jac@stafford.net's Avatar
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    Re: Ilford 500 Multi Contrast Head Question

    Quote Originally Posted by mpirie View Post
    Lol, "Lucas Design", yes, that takes me (and every owner of pre-70's British motorcycles) back !!

    Mike
    For sure. Here is an early friend on my very rare Rickman/Trident.
    Note the deletion of the lights.

    Click image for larger version. 

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  4. #14

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    Re: Ilford 500 Multi Contrast Head Question

    I also note the bike's not moving, which is no doubt down to a Lucas failure

  5. #15

    Re: Ilford 500 Multi Contrast Head Question

    Quote Originally Posted by Jac@stafford.net View Post
    For heven's sake, please read the manual.

    Answers are in the manual/instructions and they are good.
    Further down the PDF I linked to tell us how to interpret
    contrast outcome and how to adjust the switches.

    First I would check if your bulbs are equivalent. I lucked
    out by buying from the same lot.

    I should add that I had to rewire my head. It was shorting,
    throwing sparks. I swear it was a Lucas Ltd. design.
    (Old British auto folks will understand.)

    Best of luck!
    .
    I did read the owners manual. Unfortunately, the manual I have and for which you provided a link was for the 500C control panel and the feature I asked my question about is on the 500 CPM control panel and I cannot find a manual for this unit.

  6. #16

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    Re: Ilford 500 Multi Contrast Head Question

    http://www.silveruser.ca/index_files/Manuals.html

    Here's a link to a latter CPM unit.

  7. #17
    8x10, 5x7, 4x5, et al Leigh's Avatar
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    Re: Ilford 500 Multi Contrast Head Question

    The 500CPM (which I have) is just a design upgrade of the 500C controller.

    Operationally they're identical. They're both designed to work with the 500H head.
    But the later head uses 300-watt bulbs rather than 150-watt.

    - Leigh
    If you believe you can, or you believe you can't... you're right.

  8. #18
    Jac@stafford.net's Avatar
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    Re: Ilford 500 Multi Contrast Head Question

    Quote Originally Posted by mpirie View Post
    I also note the bike's not moving, which is no doubt down to a Lucas failure
    Yep! Another picture here.

  9. #19

    Re: Ilford 500 Multi Contrast Head Question

    Quote Originally Posted by Leigh View Post
    The 500CPM (which I have) is just a design upgrade of the 500C controller.

    Operationally they're identical. They're both designed to work with the 500H head.
    But the later head uses 300-watt bulbs rather than 150-watt.

    - Leigh
    Bingo.


    I suspected that the later head was using a higher wattage bulb hence the illumination disparity between the two units I am now working with.

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