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Thread: First Light on the Projector Build

  1. 03-25-2009, 04:49 #11
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    http://www.makingdiyeasier.co.uk/uni...a-instant.html

    http://img62.imageshack.us/img62/3985/laser.gif

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    The Health and Safety Act 1971

    Recklessly interfering with Darwin’s natural selection process, thereby extending the life cycle of dim-witted ignorami; thus perpetuating and magnifying the danger to us all, by enabling them to breed and walk amongst us, our children and loved ones.




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  2. 03-25-2009, 05:39 #12
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  3. 03-25-2009, 05:52 #13
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    That reminds me of a popular engine starting product that has an Australian version with the greatest name ever!

    Easy start
    followed by.....

    Rob
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  4. 03-28-2009, 16:26 #14
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    Today i've been busy tinkering with the heatsink on the DT25 Amp board. Call me paranoid, but it was getting a bit too warm with that other block of aluminium attached. So I snagged a couple of copper heatsinks from a dead dual xeon server. Each processor had a TDP of 150W, so these copper heatsinks should cool the board pretty well!
    After looking up the chips on the amp board, the max heat output from the middle 20W audio amp chip is 62.5W, and the two regulators are 15W max a piece. So by my maths, that 92.5W - plenty within the 150W heatsink design

    They were drilled + tapped, and then cleaned with IPA, followed by a healthy lashing of thermal compound.

    I've also milled a 6mm plate (not shown in photos) which screws to the bottom of the whole unit for top-down attaching.

    Now I just need that base plate...

    Dan
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  5. 03-28-2009, 16:33 #15
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    You Sir are F^&*in crazy... You could throw both those amp on one of those and have thermal "space" to spare. NICE fabrication!
    Love, peace, and grease,

    allthat... aka: aaron@pangolin
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  6. 03-28-2009, 16:54 #16
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    Quote Originally Posted by danielbriggs View Post
    Today i've been busy tinkering with the heatsink on the DT25 Amp board. Call me paranoid, but it was getting a bit too warm with that other block of aluminium attached. So I snagged a couple of copper heatsinks from a dead dual xeon server. Each processor had a TDP of 150W, so these copper heatsinks should cool the board pretty well!
    After looking up the chips on the amp board, the max heat output from the middle 20W audio amp chip is 62.5W, and the two regulators are 15W max a piece. So by my maths, that 92.5W - plenty within the 150W heatsink design

    They were drilled + tapped, and then cleaned with IPA, followed by a healthy lashing of thermal compound.

    I've also milled a 6mm plate (not shown in photos) which screws to the bottom of the whole unit for top-down attaching.

    Now I just need that base plate...

    Dan

    Wow,,,now that is mega cooling!
    A little overboard
    But hey you are having fun so keep up the work!
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  7. 03-28-2009, 23:53 #17
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    Quote Originally Posted by danielbriggs View Post
    Today i've been busy tinkering with the heatsink on the DT25 Amp board. ....
    Will you need to be wearing a coat when operating that Laser?

    If you and Jem with his hazer get together in the same room then that'll cure all this global warming malarkey.
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  8. 03-29-2009, 05:46 #18
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    Hey Daniel...

    Let me guess Mate...
    Your next cooling unit will be a 270 liters refrigerator and your next projector case will be... a container 12 feet long....

    I'm kidding, of course...
    Anyway you done a very clean and good job.
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  9. 03-29-2009, 06:11 #19
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    Quote Originally Posted by Steve Milani View Post
    Hey Daniel...

    Let me guess Mate...
    Your next cooling unit will be a 270 liters refrigerator and your next projector case will be... a container 12 feet long....

    I'm kidding, of course...
    Anyway you done a very clean and good job.
    Greets.
    Don't give me ideas!
    And cheers, I'm getting there very slowly... hoping to have this all built by UKLM5

    @Soff - yes a lab coat is 100% mandatory

    Dan
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  10. 03-31-2009, 01:12 #20
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    It better be built for 4.5 Dan not 5
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