[NSRCA-discussion] Futaba Servos

[Jay Marshall]

The servos are rated at 6 volts - no problem here. My question was why the
NiCd limitation. I suspect they want to avoid NiMh because of the high
initial current drain. LiPo shouldn't have this problem.

 

Jay Marshall 

-----Original Message-----
From: nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Chad
Northeast
Sent: Friday, January 11, 2008 9:10 AM
To: NSRCA Mailing List
Subject: Re: [NSRCA-discussion] Futaba Servos

 

Hi Jay

I ran those servos regulated to 6V, the 4.8 thing has to do with unregulated
Nicads as has been mentioned.  You can get a pretty high voltage on a 6V
pack.

If you regulate a 2s lipo you wont have any problems with those servos.  One
of the pluses of a brushless is that is should be more tolerant of higher
voltages anyways, but I have not tried higher than that.  Maybe some of Ed's
new regs are in order so I can play around! :)

Chad

----- Original Message -----
From: Jay Marshall <lightfoot at sc.rr.com>
Date: Friday, January 11, 2008 6:08 am
Subject: [NSRCA-discussion] Futaba Servos
To: nsrca-discussion at lists.nsrca.org

> I am planning to use the new Futaba BLM 451 servos in my new 
> plane. I had
> also planned to use a 2S LiPo battery and Castle Creation's new 
> BEC for the
> system power. The servos, however, have a note on the box "Ni-Cd 
> Use Only"
> Does anyone know why? I can't find any reference to this spec on 
> the Futaba
> site (although I might have missed it).
> 
>  
> 
> Jay Marshall 
> 
>  
> 
> 

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