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06-07-2009 04:24 AM  9 years agoPost 1
moses

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indiana

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i have a jr xp9303 im thinking about putting a lipo in it. anybody done this yet? good/bad anything i need to do?

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06-07-2009 06:02 AM  9 years agoPost 2
Stet

rrElite Veteran

Key Largo FL

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I have been repeatedly advised against it, especially by the manufacturer. I use a NiCd 1100 pack and have a second in my box in case it runs low.

keepin' it real

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06-07-2009 08:52 AM  9 years agoPost 3
what_the_helli

rrKey Veteran

cookeville, tn USA

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I use the X9303 and I had a duralite lipo in it, but left the tx on one time when I put it away ,so now I run the outrage TX lipo. all in all over a year on lipo....

I put the fun in dysFUNctional :)
Team KBDD & Funding by TnPrintMasters.com

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06-07-2009 08:58 AM  9 years agoPost 4
702nitro

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Las Vegas, NV

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its fine just make sure you turn the Tx off. Remember it's a lipo, if something goes up in flames, guess what else goes up in flames....

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06-07-2009 01:57 PM  9 years agoPost 5
Lunesta

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FL

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I have several 9303's with lipo's.I left one on accidentally and it did puff (my bad) but its great getting such a long run time before recharging.

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06-07-2009 03:59 PM  9 years agoPost 6
moses

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indiana

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lipo
it will handle the voltage? someone said i need to put a diod in it?

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06-07-2009 05:50 PM  9 years agoPost 7
Lunesta

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FL

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You can put a diode in there but thats just another part that can fail and cause disaster.

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06-07-2009 06:39 PM  9 years agoPost 8
jascamera

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san francisco, ca

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I remember reading a thread that Spectrum radio are advise to use the 9.6v. Higher voltage can cause harm to radio over time and higher voltage are heating up the radio, actually reduce range.

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06-07-2009 07:35 PM  9 years agoPost 9
Lunesta

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FL

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Where did you read that?was it about the 9303?

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06-08-2009 02:25 AM  9 years agoPost 10
moses

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indiana

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radio
this radio started out as a 72mhz and i converted it.

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06-08-2009 02:43 AM  9 years agoPost 11
Lunesta

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FL

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Best thing to do if your at all worried about it is just get the larger mah batterypack.I think they have a 1500mah for the JR transmitters.That should be plenty.

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06-08-2009 04:02 AM  9 years agoPost 12
iflybyu77

rrKey Veteran

Fort Wayne, IN

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I sent my XP9303 in for service a few months ago after the memory in it became corrupted. Some module inside it failed. I talked to the tech who repaired it and he asked specifically if I had ran a lipo in it, which I had not. I asked him why and he said that the higher voltages of the lipo are notorious for damaging the memory module which isn't rated for it. He said you can get away with it for a while but the likely scenario is that the module in question will fail.

In other words, I wouldn't run a lipo. I have a 1900mah NiMH pack in mine which will run for a LONG time with either Spektrum or my XPS, and I see no reason to risk damaging the TX again. The stock 800mah packs are inadequate, but the larger NiMH packs are a good safe solution. I'd guess I can run for more than a week of constant usage (I fly at my house a lot) and not see the meter hit the low voltage point..

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06-08-2009 05:47 AM  9 years agoPost 13
borneobear

rrVeteran

Kuala Lumpur, Malaysia.

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I used to use lipos without any voltage reduction and paid dearly for it (lost two AP birds).
Now I use lipo with diodes at the positive side:

http://forum.myrc.biz/index.php?topic=283.0

No issues since.
BB

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