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06-09-2012, 08:51 PM
| #1 |
| Relaxed !   Join Date: Apr 2009 Location: On the road again !
Posts: 1,324
|  Wtf is futaba thinking ?
So I looked up specs on the s9157 today and noticed it said "use nicad batts only" wtf ? Don't they realize nicd is "dead" ! Lol Just thought I'd share it |
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06-09-2012, 09:34 PM
| #2 |
| Suck it up!   Join Date: Mar 2008 Location: Arkansas
Posts: 11,652
| Re: Wtf is futaba thinking ?
Cool story brah.
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06-10-2012, 07:17 AM
| #3 |
| Relaxed ! Join Date: Apr 2009 Location: On the road again !
Posts: 1,324
| Re: Wtf is futaba thinking ?
Thanks !
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06-10-2012, 07:42 AM
| #4 |
| MODERATOR™  Join Date: Jul 2004 Location: Ohio
Posts: 18,928
| Re: Wtf is futaba thinking ?
If I were to guess, it's referring to the four cell AA battery holder. So it gets 1.5 volts from each battery, and not the lower NiMH ~1.2 volts. 6 volts, compared to 4.8 volts. See I'm sayin? |
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06-10-2012, 09:16 AM
| #5 |
| Rock Stacker Join Date: Aug 2011 Location: Canada
Posts: 67
| Re: Wtf is futaba thinking ?
Aren't NiCads and NiMHs both 1.2v per cell, and alkaline the 1.5v per cell battery?
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06-10-2012, 09:26 AM
| #6 |
| MODERATOR™ Join Date: Jul 2004 Location: Ohio
Posts: 18,928
| Re: Wtf is futaba thinking ?
Yep, I'm wrong. I was thinking of Alkaline. You win this time... Damn it. |
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06-10-2012, 09:32 AM
| #7 |
| I wanna be Dave Join Date: Dec 2008 Location: anderson
Posts: 2,288
| Re: Wtf is futaba thinking ?
i have run them in my 4pl with no probs . if you were racing were it was far away there mite be a prob but as close as we run i dont think so
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06-10-2012, 10:02 AM
| #8 |
| I wanna be Dave Join Date: Dec 2008 Location: Madrid, IA
Posts: 2,015
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If I remember correctly as its not the only futaba servo with that under its specs. It's when using a rx pack the nicad packs were able to put out more amps continuously than nimh packs so they listed it as nicad only Sent from my iPad using stupid Tapatalk Last edited by benoj; 06-10-2012 at 04:20 PM. |
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06-10-2012, 10:28 AM
| #9 | |
| MODERATOR™ Join Date: Jul 2004 Location: Ohio
Posts: 18,928
| Re: Wtf is futaba thinking ? Quote:
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06-10-2012, 08:30 PM
| #10 |
| Relaxed ! Join Date: Apr 2009 Location: On the road again !
Posts: 1,324
| Re: Wtf is futaba thinking ?
This must be why they went with the bls series ? I just don't wanna get f'd if I burn it up if a bec goes bad ya know ! Thanks |
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06-11-2012, 10:38 AM
| #11 |
| I wanna be Dave Join Date: Dec 2008 Location: Madrid, IA
Posts: 2,015
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They don't draw that many amps to make your bec give out. Your bec is just as likely to quit from running a 9157 as running a hitec 645, as anymore they seem to give up randomly. I have a 2yr old cc bec that I've used to power 2 1/5scale servos that each said they required nicads because of the amp draw and the bec only got slightly warm. And currently one of those servos is being powered by an esc with only a 6v 3a internal bec Sent from my iPad using Tapatalk |
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06-12-2012, 05:04 AM
| #12 |
| RCC Addict Join Date: Jan 2012 Location: Sweden
Posts: 1,809
| Re: Wtf is futaba thinking ?
I think that a) The text is just cut and paste from something older, explaining why NiMH isn't mentioned. b) It refer to NiCd as opposed to alkaline or CZn batteries, that have considerably lesser capacity. c) NiCd is only "dead" for this type of use. It's still in extensive use industrially when long term reliability rule. |
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