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Old 08-26-2004, 04:54 PM   #16
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Default 7V Regulator with switch

KO makes a 7V regulator switch #36551. Designed for those that wanted to use our 7.2V servos in gas. The lead going into the receiver is 6.0V, the two blue wires power the 7.2V servos. Here is the link 7V regulator.

Like everyone else has stated, LiPO batteries are not the safest.
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Old 02-15-2005, 07:50 PM   #17
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Default Lithium Polymer setup

Here is a link to my site, I am trying to put a lithium package together for us racers at a resonable price. Let me know what you think. Works great though.

LIthium Polymer setup in my Mugen MBX-5
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Old 02-15-2005, 08:57 PM   #18
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I think our local company made some very small very lightweight votage regulator for Li-based battery using as RX battery. But I don't have detail right now. Will post them if I can find them.
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Old 02-16-2005, 01:29 AM   #19
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Default Re: <<( Battery Help )>> EP guys were no help

Quote:
Originally posted by kidDynomite
Anyways, I wanted to try and use my flat 7.4V lithium battery pack from my Xray m18, and use it as a reciever pack in my nitro car. It's super light and lasts 4x longer than my AAA pack. It might even last longer at a lower voltage.

Is there a way to regulate it down to 6V?

Thanks!
Very simple mod : few high amp rating diodes ( 5A ) and built them in series until you get desire voltage.
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Old 02-18-2005, 10:36 AM   #20
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Nice DSM Spectrum you had there in your MBX-5 You lucky bastard
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Old 02-18-2005, 10:40 AM   #21
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Quote:
Originally posted by New_Toasted
Nice DSM Spectrum you had there in your MBX-5 You lucky bastard
Ask him if it is fuel proof - Fredrik would like to know
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Old 02-18-2005, 11:16 AM   #22
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Yea, I think he would Have you told him about the well tried baloon trick?
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Old 02-18-2005, 11:34 AM   #23
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Quote:
Originally posted by New_Toasted
Yea, I think he would Have you told him about the well tried baloon trick?
The sad thing is not only did he have a baloon on the Rx, he also sealed it with shoe-goo No idea how the fuel got in there He was blitzing everyone, too
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Old 02-18-2005, 11:57 AM   #24
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Hmm, maybe his pit-monkey (as you and master D refer to it ) was using Alien blood in the fuel
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Old 02-18-2005, 12:04 PM   #25
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Quote:
Originally posted by New_Toasted
Hmm, maybe his pit-monkey (as you and master D refer to it ) was using Alien blood in the fuel
Must have been it
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Old 02-18-2005, 12:20 PM   #26
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Quote:
Originally posted by mindrev
Put 2 1N4002 diodes in line with the positive pole. Every diode has about 0.7V drop out.


Mike
This is the solution right here. We used to have to do this in the mechanical speed control days to drop the voltage off the main pack enough to not fry the reciever.
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Old 02-20-2005, 09:29 PM   #27
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I ran my 7.4 volt setup this weekend at the first RC Proseries East race. Only finished in the E main...long story, but got nearly a whole day out of a single charge. 1.5hours at least, with about a 500mah drain. I think it could have went 2 hours.
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