Battery question

Thu Jul 31 11:09:58 AKDT 2003

I'll go one further, try the Hitec 525/545 series servos with a 5 pole motors. Half the price of coreless servos. Great for performance on a budget.

Ron Van Putte <vanputte at nuc.net> wrote:

Wayne Galligan wrote:
 Wouldn't that say something for the good ole std coreless servo then.  Does one REALLY need a digital for top performance?  I have coreless on my Prophecy and digitals on the Aries.    I can knife edge all day long on the coreless just like my digital.  My Futaba coreless 9101/9202 servos center well and probably as good as my JR digitals.  So where or when do I realize the difference?   

I'll probably ruffle a few feathers with what I'll write next, but that never stopped me before.  My opinion is that most pilots can't tell the difference between the performance of standard coreless servos versus digital coreless servos.  Most pilots just aren't good enough to tell the difference.  Marketeers love this situation because they can sell more expensive items to people who can't tell the difference but are too vain to admit it.

Ron Van Putte

----- Original Message ----- 
From: Tony Stillman 
To: discussion at nsrca.org 
Sent: Thursday, July 31, 2003 11:02 AM
Subject: Re: Battery question

Joe:

That's because the control surfaces are bouncing up and down, and your
high-current Digital servos are fighting to hold them in place.

That is the advantage of using a soft engine mount.  It reduces the load on
the servos by reducing the vibration transmitted to the controls, especially
during low engine power settings.  Merle Hyde actually says you will see a
300 % increase in battery performance using his mount!

Tony Stillman
Radio South
3702 N. Pace Blvd.
Pensacola, FL 32505
1-800-962-7802
www.radiosouthrc.com
----- Original Message ----- 
From: "Joe Dunnaway" <dunnaway at geopath.com>
To: <discussion at nsrca.org>
Sent: Thursday, July 31, 2003 10:50 AM
Subject: Re: Battery question

> Hi Terry,
>  I put one of those cheap Hobbico "VoltWatch" LED displays in my plane.  I
> have 4 digital servos and during the 3rd flight, the display will show in
> the green with the engine off but is bumping the red with the engine
> running. I'm running a 1600 mah 4 cell Nihm pack. It's amaziing how much
> current these digital servos are drawing just to stay centered with the
> motor is running.
>
> Joe Dunnaway
>
> .
>
> ----- Original Message ----- 
> From: "Terry Terrenoire" <amad2terry at juno.com>
> To: <discussion at nsrca.org>
> Sent: Thursday, July 31, 2003 9:47 AM
> Subject: Re: Battery question
>
>
> > That is the "technical" info I was looking for.
> > Seems that 3 flights is very safe and will provide a reserve. I can
> > recharge to fulll capacity with my Super Nova in 2 hours.
> >
> > Terry T.
> >
> > On Thu, 31 Jul 2003 09:09:12 -0500 VicenteRC <vicenterc at comcast.net>
> > writes:
> > > Hi Terry:
> > >
> > > I use the same pack and I can fly 4-5 times (2 Advance Schedules
> > > each
> > > fly) and never had a problem.  The rule of thumb is not to go far
> > > below
> > > 1/2 of the pack capacity.  In this case we don't want to use a lot
> > > more
> > > than 550 mah.
> > >
> > > Regards,
> > >
> > > Vicente Bortone
> > >
> > >
> > >
> > > ----- Original Message -----
> > > From: Terry Terrenoire <amad2terry at juno.com>
> > > Date: Thursday, July 31, 2003 5:22 am
> > > Subject: Battery question
> > >
> > > > Just flying my first ship with 4 digital servos. Power is supplied
> > >
> > > > by a
> > > > standard Nicad, 1100 mah, battery.
> > > > After 3 flights the other day it took 361ma to refill it
> > > > How mych reserve did I have ?
> > > > Used an average of 120 ma per flight.
> > > > How many flights can I SAFELY get on that 1100 mah pack?
> > > >
> > > > Terry T.
> > > > =====================================
> > > > # To be removed from this list, send a message to
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> > > > #
> > > >
> > > >
> > >
> > > =====================================
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> > > #
> > >
> > >
> > >
> > =====================================
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> > #
>
> =====================================
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>
>
>

=====================================
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Bob Kane
getterflash at yahoo.com

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