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Thread: would a 2.7 ohm 10w resistor work with the luxeon rebel star (royal blue) led?

  1. #11

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    That plus you would need a 7.4V pack to run it.
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    "Yeah, yeah, I've heard it all before... you want blindingly bright, super loud, running 1138 blinkies off of the cheapest sound card you can find AND you want all of it to run on a battery the size of a dime, and run for a very, VERY long time. That one cracks me up every time..."
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  2. #12

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    How short is short? If you are looking at getting a Li-ion pack anyway you could jut hot glue it to the battery, or better yet, take a look at a chassis setup. The possibilities are quite literally endless. I too am constrained on space for my planned build (Trying to fit a pack, PC, 2 switches and a RICE port in a 7 in main body). the Chassis system will help with keeping things in place, and if you decide to upgrade later will help keep things nice and neat as well.

  3. #13

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    the saber hilt is 9 and a half inches long... and i don't want a buck pack just a different battery pack (not a Li ion) some thing like a aa/aaa battery pack! (but still very helpful advice!) thanks!

  4. #14

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    Why are you using such a BIG resistor for a royal blue?
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  5. #15

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    what do you mean big? should i use a different one?

  6. #16

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    what about a variable resistor? would that work?

  7. #17

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    Quote Originally Posted by obi2kenobi14 View Post
    what do you mean big? should i use a different one?
    10 watt resistors are physically very large. You should double-check your resistor calculations to see if you can use a smaller wattage resistor. Also note that each time you change the voltage of your battery pack, you'll need to recalculate the resistor.

    Quote Originally Posted by obi2kenobi14 View Post
    what about a variable resistor? would that work?
    Those are not recommended for permanent installation. They can wiggle over time with saber impacts and either dim the blade, or blow it out.
    We all have to start somewhere. The journey is all the more impressive by our humble beginnings.

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  8. #18

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    ok so what resistor should i use? i was just following the whole led resistor battery pack thing that was in one of robs videos

  9. #19

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    Quote Originally Posted by obi2kenobi14 View Post
    ok so what resistor should i use? i was just following the whole led resistor battery pack thing that was in one of robs videos
    Review this, it helps you to answer your question:

    http://forums.thecustomsabershop.com...e-to-Ohm-s-Law
    TCSS MODERATOR
    All n00bs READ these first (PLEASE)!!!:
    1. Forum Guidelines
    2. FJK’s “Down and Dirty” guide to Ohm’s Law

    "Yeah, yeah, I've heard it all before... you want blindingly bright, super loud, running 1138 blinkies off of the cheapest sound card you can find AND you want all of it to run on a battery the size of a dime, and run for a very, VERY long time. That one cracks me up every time..."
    My email: fjk_tcss@yahoo.com

  10. #20

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    never mind guys i will just get a buckpuck and maybe a different battery.

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