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Old 01-13-2006, 08:01 PM   #1
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Default lipoly reciever pack for 12th scale?

I was wondering what peoples opinion of using a lipoly reciever pack for 12th scale. On hand I have a 2 cell Kokam 145 Mah pack that I could use. I also have an FMA Direct 5v voltage reducer. I'm thinking about plugging in the pack directly into my receiver without dropping the voltage. I know my Spektrum reciever could handle it, but I don't know if my Futaba S9650 servo could.

-Frank
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Old 01-14-2006, 10:03 AM   #2
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Frank, I can't remember right off hand, but if the 9650 isn't digital it will probably burn up. I really can't tell you who told me, but someone very knowlegable about this subject told me they have had no problems running a good quality digital servo wit the spektrum and with no voltage regulator.

If the 9650 is analog you could simply put a resistor inline from the battery to reduce voltage. You can do that in this situation b/c the only thing really drawing any current is the servo. I believe the one that comes with the FET KO servos is a 470 ohm, but I'm not absolutely sure about that.

FYI, I mentioned to Eric @FMA Direct the other day that he should offer a 6V version of their small 5V regulator and he told me it wouldn't be hard. In fact, I bet if a couple of you guys called www.fmadirect.com or emailed them, he would jump on that pretty quick. It's a very easy modification and requires hardly any retooling.

Another option many don't know about is the Novak regulator harness. It works great and includes a switch just like the little GTX switch. You can glue them side-by-side and they look great. If you are good at soldering you can shorten the wires to clean up the look on your car too. You can find it here- http://www.shopatron.com/index/135.0.56.440.0.0.0
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Old 01-14-2006, 11:28 AM   #3
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The 9650 is a digital servo... that's why I asked, because I don't want to burn it up. However, from what it sounds like, it should be able to handle it.

I'll look into the novak unit too. Thank you.

-Frank
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