[NSRCA-discussion] 12X Failure

Tue Nov 3 05:16:25 AKST 2009

Hey Troy and Jon,
I fly 12X.
I ain't seeing the picture of the double sided tape mod when 
I go to your link.
JLK

> To: nsrca-discussion at lists.nsrca.org
> Date: Tue, 3 Nov 2009 08:36:33 -0500
> From: jonlowe at aol.com
> Subject: Re: [NSRCA-discussion] 12X Failure
> 
> Troy, thanks for posting the link.  They should have mailed it to every 
> registered 12x owner.  I don't know why they made such a complicated 
> charger if it doesn't peak detect.  Think I will go back to a standard 
> wall wart at a lower charge rate for overnite charging.  High capacity 
> NiMh cells (anything over 1650 mah) do NOT like to be overcharged.  In 
> fact Radical RC recommends charging them at less than C/10.  Their 
> discussion on high capacity NiMh cells is a good read.  See the 
> discussion about 2500mah cells about halfway down this page:
> 
> http://www.radicalrc.com/shop/?shop=1&cart=3170843&cat=20
> 
> I'm glad Horizon FINALLY addressed the problem of the battery coming 
> loose in the transmitter which is at the bottom of the link. The 
> battery cassette doesn't have to move far to have it come loose and 
> lose contact.   I lost an airplane early this year (not a 2m) because 
> of it.  It has been an issue since they put the cassette in the 10x and 
> carried the design over to the 12x.  I know of several people who lost 
> airplanes because the pack came loose and the transmitter shut off 
> during flight.  The way they have the charge plug going directly into 
> the pack causes the pack to loosen when you pull the plug out after 
> charging.  I solved the problem by drilling a small hole in the bottom 
> of the transmitter body and thru the latch tab on the battery door and 
> put a tiny sheet metal screw in holding the door shut.  A friend just 
> uses a piece of packing tape to hold his door solidly shut.  The door 
> design aggravates the issue because the latch doesn't really lock 
> solidly into place.  I wish they had gone back to the tried and true 
> battery lead and plug design.
> 
> I emailed Horizon about the issue and never received a reply.  My Dad, 
> a JR Team Member, did likewise, and did not receive a reply.  In fact, 
> I have NEVER received a reply to emails sent to Horizon.  However, 
> their service department is second to none.  Turnaround is really fast, 
> and they do a good job.
> 
> Jon Lowe
> 
> -----Original Message-----
> From: glmiller3 at suddenlink.net
> To: General pattern discussion <nsrca-discussion at lists.nsrca.org>
> Sent: Tue, Nov 3, 2009 6:34 am
> Subject: Re: [NSRCA-discussion] 12X Failure
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> Troy,
> 
> I just actually read the battery bulletin linked in you note.  I like 
> the 12X
> battery even less now.
> 
> So I guess in Japan they have 10 hours to sit around their shop 
> continuously
> monitoring their transmitter batteries temperature and intermittently 
> checking
> it's actual voltage....well welcome to america- I don't!
> 
> Any one know of a good replacement battery system for the 12 X?
> 
> G
> ---- Troy Newman <troy at troynewman.net> wrote:
> 
> =============
> Try a different TX battery.
> 
> I have heard reports of this screen flashing issue with bad TX
> batteries. It works fine in the system menu because it's not
> transmitting. As soon as it tries to transmit the battery can't handle
> the load. If you have a 10X the battery will fit in the 12X and work
> just fine.
> 
> The PC program is not data safe. Data Safe as a product was a Horizon
> hobby product that was an aftermarket product that saved the program as
> a file on your PC....It was not a JR Japan product.
> 
> The 12X comes with a program that allows you to back up and edit the
> programs on the PC. It came with your 12X as a free accessory. It is 12X
> specific. Works very very well.
> 
> The reason data safe doesn't work is because the 12X was not around when
> Data Safe or Data Safe Ultra was written by a 3rd party vendor.
> 
> By the way the 12X program only does the 12X, but is very cool in that
> you can see and print all settings, and even edit setting right on the
> PC then load it back into the TX.
> 
> 
> JR Japan has another program that has the same look and feel as the 12X
> program, but it works with the older radios. It looks exactly the same
> but because it goes backwards in compatibility it doesn't do the 12X.
> 
> Onto your 12X it's not a bad a idea to have HH check it out, but I would
> bet it's a battery issue. On another note the charger that comes with
> your 12X is not a peak detection charger...even though it kind of looks
> like one and the manual seems to imply that it is. This charger should
> not be used on the 12X battery for than 10hrs. The battery will become
> very hot and will shorten its life. A bulletin was issues earlier this
> year regarding the charger.
> 
> http://www.horizonhobby.com/Products/Support.aspx?ProdID=JRP12001
> 
> If your charger was left on for 2-3 days like some folks have reported
> before the light when solid, and or the battery got very hot this could
> be the reason for the battery failure. Contact HH and they will be able
> to help you. In the mean time try a good 10X battery cartridge if you
> have one. If not let me know offline and I'll send you mine from my 10X
> to hold you over or at least get everything off the 12X you have.
> 
> Troy Newman
> Team JR / Horizon Hobby
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