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JR receiver with high voltage servo

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Old 06-19-2009, 12:59 PM
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RichieN
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Default JR receiver with high voltage servo

I would like to start using the high voltage servos at their full potentials at 7.2V.At the same time JR receivers that I have are only rated to 6V.Currently I’m using the regulator for the whole system (servos and receiver). What do I have to do to have unregulated voltage to the servos and drop down voltage to the receiver?
All help is greatly appreciated,
Old 06-20-2009, 08:27 AM
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Zeeb
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Default RE: JR receiver with high voltage servo

JR rx's only rated at 6 volts?

Are you still running 72MHz?

I can't help you with them as I converted to JR when I went to the 2.4GHz radios and those rx's will take the higher voltage. You need to list your equipment....
Old 06-20-2009, 08:44 AM
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RichieN
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Default RE: JR receiver with high voltage servo

I said "JR receivers that I have" are only rated up to 6V. These are 72Mhz receivers, R955s for example.Iwouldlike to know, whatis the most economical way to separete receiver voltage from servo voltage?

Thanks,
Old 06-21-2009, 08:30 AM
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Default RE: JR receiver with high voltage servo

Well if by "economical" you mean cheap, you're out of luck.

Some PE's will pass through supply voltage to the servos while regulating it to the rx, you could look at those.
Old 06-22-2009, 01:28 PM
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RichieN
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Default RE: JR receiver with high voltage servo

Thank you for the replayZeeb, I think rather then spending money on PE I will start saving for 2.4.
Old 06-23-2009, 09:08 AM
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Default RE: JR receiver with high voltage servo

Well I'm certainly happy with my decision to switch to the 2.4GHz radio system.

If you're wanting to run unregulated Li-Po's I know the Spektrum/JR stuff can handle those voltages. I'm not sure what the amperage specs are for the 7 channel and below rx's and that's not usually too much of an issue with models which would run 7 channel rx's, but all the 9 channel and above rx's from Spektrum/JR can handle 35 amps continous and burst to 50 amps on the electrical buss of the rx. Bax has stated over on the Futaba support forum that the FASST rx's are only good to 8 amps. So depending on what you want to run, it might behoove you to look at the specs on the various 2.4GHz offerings as I've not looked at anything other than those two systems.
Old 06-23-2009, 10:38 AM
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RichieN
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Default RE: JR receiver with high voltage servo

I'm glad to hear that, I'm a JR guy when it comes to TX.
Old 07-31-2009, 02:57 PM
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RichieN
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Default RE: JR receiver with high voltage servo

This is the item I've found on Servo City web site. It looks like would do the trick, but I have not tried it yet.
http://servocity.com/html/servo_power_boards.html
Old 07-31-2009, 09:35 PM
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Default RE: JR receiver with high voltage servo

All 72 receivers have a regulator already. It would be a shame if the JR receiver wont handle 7.2 V.

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