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11.1 Lipo in a JR/Graupner TX?

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Old 07-27-2011, 01:32 PM
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Nitro Blast
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Default 11.1 Lipo in a JR/Graupner TX?

I got some Lipos for my Graupner (XPS) /JR transmitter, and have been told that I will burn it up with 3 cells.

Is there any known problem with this? Any suggestions/advise/warnings?


Thanks in advance...
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Old 07-27-2011, 02:49 PM
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Default RE: 11.1 Lipo in a JR/Graupner TX?


Quote:
ORIGINAL: Nitro Blast

I got some Lipos for my Graupner (XPS) /JR transmitter, and have been told that I will burn it up with 3 cells.

Is there any known problem with this? Any suggestions/advise/warnings?


Thanks in advance...
I have been using 3 cell LiPos on my two 9303 Tx:'s for 4 years.
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Old 08-05-2011, 09:46 AM
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Default RE: 11.1 Lipo in a JR/Graupner TX?


Quote:
ORIGINAL: BuschBarber

I have been using 3 cell LiPos on my two 9303 Tx:'s for 4 years.
Even though the manufacturer and the distributor says you're not supposed to...
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Old 08-05-2011, 09:53 AM
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Default RE: 11.1 Lipo in a JR/Graupner TX?

Well, I took the liberty to contact Graupner myself. Heres the reply:





Von: Jim Bonnardel
An: service@graupner.de
Datum: 27.07.2011 23:39
Betreff: Lipo battery usage in Transmitter



Hello,
I have a MX16IFS radio.
Is it ok to use the 3 cell 11.1 v Lipo battery in that transmitter?









- Original Message -
From: Hannes Runknagel
To: jbxxxxl@earthlink.net
Sent: Wednesday, July 27, 2011 11:50 PM
Subject: Antwort: WG: Lipo battery usage in Transmitter

Dear Mr. Bonnardel,

thanks for your message.

Yes, this is possible.


Best regards

Hannes Runknagel
Leitung Service&Support / Head of Service&Support
Development / Industrial Property Protection



Graupner GmbH & Co. KG
Henriettenstr. 94-96, 73230 Kirchheim / Teck, Deutschland

Tel: +49 (0)7021 722-191
Mobil: +49 (0)176 17220409
Mail h.runknagel@graupner.de
Fax: +49 (0)7021 722-200
Web: http://www.graupner.de


Graupner GmbH & Co. KG
Sitz der Gesellschaft: Kirchheim/Teck
Amtsgericht Stuttgart HRA 230523

Persönlich haftende Gesellschafterin:
Graupner Verwaltungs-GmbH
Sitz der Gesellschaft: Kirchheim/Teck
Amtsgericht Stuttgart HRB 231188

Geschäftsführer: Stefan Graupner





So, simple and to the point. I put the lipo back in, and used it so far 3 flying days without fear.

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Old 08-05-2011, 12:11 PM
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Default RE: 11.1 Lipo in a JR/Graupner TX?


Quote:
ORIGINAL: Brian Dorff


Quote:
ORIGINAL: BuschBarber

I have been using 3 cell LiPos on my two 9303 Tx:'s for 4 years.
Even though the manufacturer and the distributor says you're not supposed to...
If you are concerned about warranty, then do what the manufacturer says. I have had no issues while using 3cell LiPo Tx batteries. You can always just charge the batteries to 11.7v or install a couple of Diodes, in series, to drop the voltage. There are threads on this subject.
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