XRAY - Model racing cars

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PostPosted: Tue Nov 16, 2004 09:42:42 
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Joined: Fri Sep 10, 2004 07:58:27
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Location: London UK
yeah it fits but you've just fitted a heavy component out from the centreline of the car :roll:
this will effectively change your moment of inertia (posh words for altering your centre of gravity)!
the car was designed to have the battery pack right in the centre of the car to keep the weight in the middle!


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PostPosted: Tue Nov 16, 2004 09:45:00 
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Joined: Mon Sep 20, 2004 07:40:55
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Location: Santa Clarita, CA
i run leaded fuel....ill be ok :)


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PostPosted: Tue Nov 16, 2004 10:20:39 
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Joined: Mon Oct 11, 2004 20:12:32
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Location: Connecticut
showtime wrote:
i'm not sure how long a 600mah cell would last using digital servos as they use more current than conventional servos.
but i have used NiMh packs on both my MBX5 & K2 with Futaba digis with no problems at all :wink:
plus a good thing about a NiCad is although for the same size cells it has less capacity but it is also a lot lighter & has the added benefit of you being able to just Nuke it on a fast charge between races without worrying about temps like you have to with NiMhs :wink:


Showtime,...do you or does anyone know why Futaba prefers NiCD for their servos in the first place. I know you have had success, but with my luck I'll fry that s9351,... :?: Plus like you said there's so many Nimh options.


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PostPosted: Tue Nov 16, 2004 11:23:22 
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sorry Dude
i've never heard that before i read it in your post the other day :?:

maybe its for the safety of a nicad pack giving noticably slower servo response before it go's totally flat rather than a NiMh that will just dump all of a sudden & losing your radio?? Dunno!


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 Post subject: Futaba Digital Servos & NiCD vs NiMH Reciever packs.....
PostPosted: Wed Nov 17, 2004 21:59:47 
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Joined: Mon Oct 11, 2004 20:12:32
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Location: Connecticut
OK - I just got off the phone with Futaba Tech. Support because I needed a solid answer on why Futaba recommends NiCD's with their Digital Servo's.

Seeing as I have a S9350 & S9351 I would hate to throw away the included NiMH pack from XRAY.

Tech support explained that it has something to do with the way the servo gets the voltage, that it's not harmful, and that he uses NiMH with his Futaba Servo's as well (same as Showtime) :wink: I just needed a difinitive answer.

Hope this info is usefull to anyone with Futaba Digitals'


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