Battery question

[Ron Van Putte]

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 <mailto:tony at radiosouthrc.com>
>     To: discussion at nsrca.org <mailto: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 <http://www.radiosouthrc.com>
>     ----- Original Message -----
>     From: "Joe Dunnaway" <dunnaway at geopath.com
>     <mailto:dunnaway at geopath.com>>
>     To: <discussion at nsrca.org <mailto: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
>     <mailto:amad2terry at juno.com>>
>     > To: <discussion at nsrca.org <mailto: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 <mailto: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
>     <mailto: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.
>     > > > > =====================================
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>     > > > > #
>     > > > >
>     > > > >
>     > > >
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>     > > >
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