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HomeAircraftHelicopterRadio - Servo - Gyro - Gov - Batt › TX useful life?
07-17-2002 07:48 PM  16 years agoPost 1
karlk

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Petaluma, CA

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I've got a 5 or 6 year old (not quite sure as I bought it used 4 years ago) Futaba 9Z. This is the longest I've kept a TX. I replaced the nicads last year. I'll be sending it in to have the backup battery replaced this winter, but I'm wondering how long I can expect it to last before I need to worry. Anyone out there using a 8 or 10 year old TX?

-Karl

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07-17-2002 07:54 PM  16 years agoPost 2
Tom Berg

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Clovis, California

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Your radio is well within the age to be narrow band. Just keep doing the range check with the antenna down and watching the response. You will also want to check it with a scanner once and a while to make sure you are within the "narrow" range.

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07-17-2002 08:39 PM  16 years agoPost 3
RC-CAM

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USA

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I'll be sending it in to have the backup battery replaced this winter
I believe the 9Z, like the other Futaba Tx's, does not have a "backup battery." I understand that (unlike JR) they use a E2PROM. It does not need power to retain model memory. Of course I could be wrong, so check with Futaba for the final answer about the coin cell.

The JR tx's that have the lithium memory battery get substantial life -- usually more than ten years. When I asked a service center about changing my six year old XP783's memory battery, the tech advised me that it is too soon to be a concern.

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07-17-2002 11:54 PM  16 years agoPost 4
metalman

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ada, okla.

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older 9Z
The 9Z does have a backup battery and Futaba recommends that it be changed every five years.

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07-18-2002 01:35 PM  16 years agoPost 5
AMCross

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champaign IL

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If your 9Z sees regular checkups, and you take good care of it, there is no reason to be using it well into its second decade. We talk to modeler regularly still using 9Vs they purchased new, as well as some with 8SS and 8SG radios!

The 9Z does have a backup battery, and it does require replacement, recommended every 5 years.

You can have a complete checkup done on the radio for a flat rate fee:

System (9V, 9Z): $45 (w/single channel module/receiver)
System (9Z w/synth Rx and module): $65
System checkup* price incl. checkout of transmitter, receiver, receiver battery pack, four servos, one switch harness, and charger. Battery packs will be cycled to check their condition. It does not include any actual repair, but does include any factory running changes/updates. If the system includes more than four (4) servos, there will be an additional charge of $5 per servo for the system checkout.
Tx only 9V or 9Z: $30

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07-18-2002 02:47 PM  16 years agoPost 6
steve9534

rrKey Veteran

yakima, wa.

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Tx life
I have a JR 10SX that's at least 8 years old and still works just fine. The plastic sides on the case started to crack from old age and the antenna is getting pretty loose. I replaced the sides for about $20.00 and it looks almost like new again. Functionally, it's as good as new, and I can't see that there's a lot to be gained by getting a10X. Steve.

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07-18-2002 04:39 PM  16 years agoPost 7
Steve Campbell

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Baton Rouge, LA

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Steve,

Agreed. About the only thing the 10X has that the SX II doesn't is digital trims and a fancier case; plus, of course, no trainer function. That's why I never even considered a 10X.

But here is something to think about, since we're discussing internal back-up batteries and such. If something goes wrong with your SX II internally, something major like a board, etc., you're hosed. Horizon doesn't have any of those parts; the radio has been out of production for too many years.

Last year, I sent mine in for a back-up battery replacement. It came back screwed up. The screen would blank out for no apparent reason. Sent it back, came back still screwed up. I talked with Dave Poole, who runs Horizon's radio repair section. Good guy, and knowledgeable. He was also honest enough to admit that they couldn't fix my transmitter, and since they apparently caused the problem they would make it right by selling me a 10X for next to nothing. The only problem with that is I didn't WANT a 10X; I wanted the trainer function on my SX II.

While he was nice about it, he basically told me "Well, sorry, I can't give you what we don't have." And, of course, he was right. I fumed for a day, then received a call from a very nice young lady in Customer Service, advising me that they had found a like-new 10 SXII transmitter (Len had been using it to fly a simulator on his desk ), and it would be enroute to me that day. Now, how's that for service? And luck...

But the more I thought about it, the more nervous I became. What if something like this happens again? I had been without a radio for nearly six weeks. This is the problem with putting all your transmitter eggs in one basket.

To make a long story longer, I decided to do something I had been wanting to do for a long time- get a 9Z. It was VERY expensive to completely switch over from one brand to another, especially since I went whole hog and did everything. I'm still working on getting all my models back airworthy; it takes a while to re-install the gear and get it dialled-in. But at least I know that if something goes wrong, I can get it repaired.

This thread is not the place to discuss the differences between brands. But while newer is not necessarily better, there can be a price to pay for continuing to use older gear that is out of print. I got very lucky with my 10SXII, and decided not to tempt fate again...

Steve

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07-18-2002 06:00 PM  16 years agoPost 8
The_Dave

rrVeteran

Las Vegas / Pahrump, Nevada

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Steve,

So what you are saying is I am on thin ice with my PCMSX??? I am three models outdated....hmmmmmm

Mark McAlpine - 2005 - We will never forget.

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07-18-2002 09:34 PM  16 years agoPost 9
Steve Campbell

rrElite Veteran

Baton Rouge, LA

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Yeah, I would say you're dancing on the edge...

Steve

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07-19-2002 12:58 AM  16 years agoPost 10
steve9534

rrKey Veteran

yakima, wa.

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Old radios
Steve C;
I've thought about what you're saying, but I figured the worst that could happen was that I couldn't get parts for it, and then I'd have to scrap it. Until that day arrives, I've got a decent radio to use. Thanks. Steve R.

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07-19-2002 02:39 AM  16 years agoPost 11
Steve Campbell

rrElite Veteran

Baton Rouge, LA

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I hear you. But when that day arrives, you're SOL until you score something else.

I decided to "score" before I got caught short again; but that course is not without it's problems.

The credit card bills are just now coming in, and the wife has a stroke every time she opens the mail... And she doesn't want to hear "You told me to get what I needed!" any more. Don't think she'll be making THAT mistake again...

Steve

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07-19-2002 02:49 AM  16 years agoPost 12
Kam Wyatt

rrApprentice

cottondale, Fl.

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Tx life
The manufacturer date on my 9Z says 1993, going strong!

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