[NSRCA-discussion] Max volts

Bob Kane getterflash at yahoo.com
Mon Mar 1 07:59:31 AKST 2010


Going higher and regulating down would be against the rules, the max volts is still limited to 42.56. 

Bob Kane
getterflash at yahoo.com


--- On Mon, 3/1/10, krishlan fitzsimmons <homeremodeling2003 at yahoo.com> wrote:

> From: krishlan fitzsimmons <homeremodeling2003 at yahoo.com>
> Subject: Re: [NSRCA-discussion] Max volts
> To: chad at f3acanada.org, "General pattern discussion" <nsrca-discussion at lists.nsrca.org>
> Date: Monday, March 1, 2010, 9:54 AM
> 
> Couldn't we go to a higher voltage and
> regulate it back down? A contstant 42.56v would be nice!
>  
> Chris 
>  
>  
>  
> 
> 
> 
> 
> 
> 
> From: Chad
> Northeast <chad at f3acanada.org>
> To:
> nsrca-discussion at lists.nsrca.org
> Sent: Sun,
> February 28, 2010 8:48:48 PM
> Subject: Re:
> [NSRCA-discussion] Max volts
> 
> You would be at about 50% capacity at 3.85 ish volts/cell
> (resting open circuit), so unless you up the capacity you
> will have a pretty restricted flight time.
> 
> Chad
> 
> On 10-02-28 9:25 PM, Ron Van Putte wrote:
> > That stirs a wild thought in my brain.  Fully
> charged packs don't stay at 4.2 volts per cell very
> long.  On the other hand, once the initial charge
> voltage is burned off by a constant load, the voltage loss
> curve "flattens out".  What if you put fully
> charged 6S and a 5S packs in series and "burn them
> down" to 3.869 volts per cell (a total of 42.56
>  volts for an 11-cell pack) so they were legal for
> use.  Would the voltage of this depleted 11S pack be
> higher than a fully charged 10S pack at the end of a typical
> flight?  If the end-of-flight voltage might be
> significantly higher for the 11S pack vice a 10S pack, it
> would be worth investigating, even considering the extra
> weight of the additional cell.  Come on you electronic
> gurus, show me where I'm wrong.
> > 
> > Ron Van Putte
> > 
> > On Feb 28, 2010, at 10:00 PM, James Oddino wrote:
> > 
> >> What comes after ...?  Does it specify a load
> or any other conditions?  Is it measured during the
> noise test and have a minimum value?
> >> 
> >> Just stirring the pot, Jim O
> >> 
> >> 
> >> On Feb 28, 2010, at 5:21 PM, John Fuqua wrote:
> >> 
> >>> No its not (assuming we are talking RC
> Aerobatics).  Try page RCA-2 para 4.1
> >>> which
>  states "Electrically-powered model aircraft are
> limited to a maximum
> >>> of 42.56 volts.."
> >>> 
> >>> -----Original Message-----
> >>> From: nsrca-discussion-bounces at lists.nsrca.org
> >>> [mailto:nsrca-discussion-bounces at lists.nsrca.org]
> On Behalf Of Ron Van Putte
> >>> Sent: Sunday, February 28, 2010 7:07 PM
> >>> To: General pattern discussion
> >>> Subject: Re: [NSRCA-discussion] Max volts
> >>> 
> >>> It's in the general rules, not in the R/C
> section.
> >>> 
> >>> 
> >>> On Feb 28, 2010, at 6:50 PM, Jim Quinn wrote:
> >>> 
> >>>> Where can I find the rule
>  for max volts?
> >>>> 
> >>>>
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