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Thread: Cheap loadtester materials

  1. #151
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    For barebones its fantastic. I loaded it to the full 400W (easily overwhelmed the single stage I was on) but the delrin's so heavy and solid it really makes this feel better than my old loader.
    I want to get a thermostat eventually into these models, but I don't want to do it in such a way that there is a risk of a short, energizing the block itself, or that the block can't be used for watercooling loading.
    I think the compromise will be using a different style of thermostat unit, and raising the bar closer to 80C. But that's for the next revision.

    Either way, heavy delrin block with the copper works for me. Maybe I'll find a way to hide the wiring better, but the wires coming out of these heat loaders aren't flexible for the first inch and a half or so.
    We shall see.


    If you have a cooling question or concern feel free to contact me.

  2. #152
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    I like the design Adam Can you mount the thermostat to the backside of the copper?
    UNDER THE ICE .com
    Phase Change Cooling

    is the remedy

  3. #153
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    Great job Adam . Prototype will be mine. Will be for far much better If I had done one by myself. Looking the scrrenshots with more detail I would say that it looks better than "pretty good". Thermostat could be a double-edged sword as you explain that kind of situation.

  4. #154
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    Some days ago I received it Adam, so Im very happy with it. 110V variac is going to arrive at the end of April. Looking at the heat load it feels very solid and heavy. Good quality components and great finish appeal .

  5. #155
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    Variac there yet??


    If you have a cooling question or concern feel free to contact me.

  6. #156
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    Yes, will send you a pm

    I bought what I told you (the one that Ron recommended jeje)

    Last edited by samsarulz; 04-26-2014 at 11:52 PM.

  7. #157
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    I kinda of have an idea but what does this thing do and why do you need one?

  8. #158
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    You bolt this to the evap of your single stage/cascade.
    Turn this on and set your Variac to the amount of heat you want to tune your system to.

    So say you want to start out at 170watts of heat. You can gas your system so that it is working to what you want. Then turn the heat up to 300watts and adjust your tune.

    You can leave this running over night or as long as you wish to test your system.

  9. #159
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    Quote Originally Posted by samsarulz View Post
    Yes, will send you a pm

    I bought what I told you (the one that Ron recommended jeje)

    Mine works fine.

    UNDER THE ICE .com
    Phase Change Cooling

    is the remedy

  10. #160
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    Is the same you recommended me. Don?t you remember jaja?

    Well tomorrow (at last) I will test it along NoL?s custom heat load

  11. #161
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    Quote Originally Posted by samsarulz View Post
    Is the same you recommended me. Don?t you remember jaja?
    Of course I remember. They are very sensitive. You will have to get use to it. You can only turn it a hair to make changes. Don't be surprise if the watt wander a little.
    Like 298 299 300 301 and then back down 301 300 299 298. And then other times it will stay fixed for awhile. All of the ones in these price ranges will vary a little but they will get the job done.
    UNDER THE ICE .com
    Phase Change Cooling

    is the remedy

  12. #162
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    Quote Originally Posted by runmc View Post
    Of course I remember. They are very sensitive. You will have to get use to it. You can only turn it a hair to make changes. Don't be surprise if the watt wander a little.
    Like 298 299 300 301 and then back down 301 300 299 298. And then other times it will stay fixed for awhile. All of the ones in these price ranges will vary a little but they will get the job done.
    I think that holds true for most variacs at least for the two I own. On the flip side they are very durable...
    Never empower an idiot with a response....

    http://en.wikipedia.org/wiki/Troll_%28Internet%29

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  13. #163
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    Quote Originally Posted by runmc View Post
    Of course I remember. They are very sensitive. You will have to get use to it. You can only turn it a hair to make changes. Don't be surprise if the watt wander a little.
    Like 298 299 300 301 and then back down 301 300 299 298. And then other times it will stay fixed for awhile. All of the ones in these price ranges will vary a little but they will get the job done.
    Yeah mine goes like 270 or 310, anything the middle is impossible LOL

  14. #164
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    Huh really?
    I've got a 1000Va toroid type. Doesn't wander, doesn't vary, and I can hit any whole number.


    If you have a cooling question or concern feel free to contact me.

  15. #165
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    Quote Originally Posted by n00b 0f l337 View Post
    Huh really?
    I've got a 1000Va toroid type. Doesn't wander, doesn't vary, and I can hit any whole number.
    I bet you spent more than $20 on yours also

  16. #166
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    At $20 that's not bad though!
    Yeah I dropped quite a bit more on my variac. Maybe $150?


    If you have a cooling question or concern feel free to contact me.

  17. #167
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    Quote Originally Posted by Buckeye View Post
    Yeah mine goes like 270 or 310, anything the middle is impossible LOL
    My last black one I had varied more than this red one. This one only swings about 5 digits. But you have to use a feather touch when turning.
    UNDER THE ICE .com
    Phase Change Cooling

    is the remedy

  18. #168
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    I haven't look at a electrical diagram but I believe those devices are solid state triac's, like a modern dimmer switch.
    The Laws of Thermodynamics say:

    Zeroth Law: "You must play the game."
    First Law: "You can't win."
    Second Law: "You can't break even."
    Third Law: "You can't quit the game."

    Do you wanna Play Thermodynamics ???????? I forgot "you must"

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