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<p class=MsoNormal><span class=EmailStyle20><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>I've been
following this discussion and have some questions.<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle20><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>Why was a
voltage limit written into the rules? Is it international or AMA only? What was
the thinking behind it? <o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle20><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>Thanks<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle20><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>Jim Hiller<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle20><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=black
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;color:black'>-----Original
Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> nsrca-discussion-bounces@lists.nsrca.org
[mailto:nsrca-discussion-bounces@lists.nsrca.org]<b><span style='font-weight:
bold'>On Behalf Of </span></b>Anthony Romano<br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, March 02, 2010 5:30
AM<br>
<b><span style='font-weight:bold'>To:</span></b>
nsrca-discussion@lists.nsrca.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [NSRCA-discussion]
Max volts</span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:
12.0pt;margin-left:.5in'><font size=2 color=black face=Verdana><span
style='font-size:10.0pt;font-family:Verdana;color:black'>Keep this line of
thinking in mind next time we talk about weight limits! Or any other rules
proposal.<br>
<br>
Anthony<br>
<br>
> From: burtona@atmc.net<br>
> To: nsrca-discussion@lists.nsrca.org<br>
> Date: Mon, 1 Mar 2010 22:45:57 -0500<br>
> Subject: Re: [NSRCA-discussion] Max volts<br>
> <br>
> OK, So I have a question. Is knowingly and purposefully violating the
intent<br>
> and letter of the rules to gain a performance advantage called cheating?<br>
> ....... Just asking!<br>
> Dave Burton<br>
> <br>
> -----Original Message-----<br>
> From: nsrca-discussion-bounces@lists.nsrca.org<br>
> [mailto:nsrca-discussion-bounces@lists.nsrca.org] On Behalf Of James
Oddino<br>
> Sent: Monday, March 01, 2010 7:16 PM<br>
> To: General pattern discussion<br>
> Subject: Re: [NSRCA-discussion] Max volts<br>
> <br>
> I have the functional concept that solves the rules problem. Picture a 10S<br>
> pack positive lead wired to the common of a switch with two poles, a piece<br>
> of wire connected from one pole to a pole on a second two pole switch with<br>
> its common connected to the ESC. Between the other two poles we place our<br>
> 11th cell. When the 10S pack is above 37.5 volts the 11th cell is bypassed<br>
> and when it is below, like it will be during vertical maneuvers late in<br>
> flight, the 11th cell is put in series to boost the voltage to up to 41.7<br>
> volts. At no time is the voltage over the spec.<br>
> <br>
> Having said that, I believe the 10S system provides adequate power with
the<br>
> right motor at all times of flight even if the voltage drops to 35 volts.<br>
> <br>
> Jim<br>
> <br>
> <br>
> On Mar 1, 2010, at 8:59 AM, Bob Kane wrote:<br>
> <br>
> > Going higher and regulating down would be against the rules, the max
volts<br>
> is still limited to 42.56. <br>
> > <br>
> > Bob Kane<br>
> > getterflash@yahoo.com<br>
> > <br>
> > <br>
> > --- On Mon, 3/1/10, krishlan fitzsimmons
<homeremodeling2003@yahoo.com><br>
> wrote:<br>
> > <br>
> >> From: krishlan fitzsimmons <homeremodeling2003@yahoo.com><br>
> >> Subject: Re: [NSRCA-discussion] Max volts<br>
> >> To: chad@f3acanada.org, "General pattern discussion"<br>
> <nsrca-discussion@lists.nsrca.org><br>
> >> Date: Monday, March 1, 2010, 9:54 AM<br>
> >> <br>
> >> Couldn't we go to a higher voltage and<br>
> >> regulate it back down? A contstant 42.56v would be nice!<br>
> >> <br>
> >> Chris <br>
> >> <br>
> >> <br>
> >> <br>
> >> <br>
> >> <br>
> >> <br>
> >> <br>
> >> <br>
> >> <br>
> >> From: Chad<br>
> >> Northeast <chad@f3acanada.org><br>
> >> To:<br>
> >> nsrca-discussion@lists.nsrca.org<br>
> >> Sent: Sun,<br>
> >> February 28, 2010 8:48:48 PM<br>
> >> Subject: Re:<br>
> >> [NSRCA-discussion] Max volts<br>
> >> <br>
> >> You would be at about 50% capacity at 3.85 ish volts/cell<br>
> >> (resting open circuit), so unless you up the capacity you<br>
> >> will have a pretty restricted flight time.<br>
> >> <br>
> >> Chad<br>
> >> <br>
> >> On 10-02-28 9:25 PM, Ron Van Putte wrote:<br>
> >>> That stirs a wild thought in my brain. Fully<br>
> >> charged packs don't stay at 4.2 volts per cell very<br>
> >> long. On the other hand, once the initial charge<br>
> >> voltage is burned off by a constant load, the voltage loss<br>
> >> curve "flattens out". What if you put fully<br>
> >> charged 6S and a 5S packs in series and "burn them<br>
> >> down" to 3.869 volts per cell (a total of 42.56<br>
> >> volts for an 11-cell pack) so they were legal for<br>
> >> use. Would the voltage of this depleted 11S pack be<br>
> >> higher than a fully charged 10S pack at the end of a typical<br>
> >> flight? If the end-of-flight voltage might be<br>
> >> significantly higher for the 11S pack vice a 10S pack, it<br>
> >> would be worth investigating, even considering the extra<br>
> >> weight of the additional cell. Come on you electronic<br>
> >> gurus, show me where I'm wrong.<br>
> >>> <br>
> >>> Ron Van Putte<br>
> >>> <br>
> >>> On Feb 28, 2010, at 10:00 PM, James Oddino wrote:<br>
> >>> <br>
> >>>> What comes after ...? Does it specify a load<br>
> >> or any other conditions? Is it measured during the<br>
> >> noise test and have a minimum value?<br>
> >>>> <br>
> >>>> Just stirring the pot, Jim O<br>
> >>>> <br>
> >>>> <br>
> >>>> On Feb 28, 2010, at 5:21 PM, John Fuqua wrote:<br>
> >>>> <br>
> >>>>> No its not (assuming we are talking RC<br>
> >> Aerobatics). Try page RCA-2 para 4.1<br>
> >>>>> which<br>
> >> states "Electrically-powered model aircraft are<br>
> >> limited to a maximum<br>
> >>>>> of 42.56 volts.."<br>
> >>>>> <br>
> >>>>> -----Original Message-----<br>
> >>>>> From: nsrca-discussion-bounces@lists.nsrca.org<br>
> >>>>> [mailto:nsrca-discussion-bounces@lists.nsrca.org]<br>
> >> On Behalf Of Ron Van Putte<br>
> >>>>> Sent: Sunday, February 28, 2010 7:07 PM<br>
> >>>>> To: General pattern discussion<br>
> >>>>> Subject: Re: [NSRCA-discussion] Max volts<br>
> >>>>> <br>
> >>>>> It's in the general rules, not in the R/C<br>
> >> section.<br>
> >>>>> <br>
> >>>>> <br>
> >>>>> On Feb 28, 2010, at 6:50 PM, Jim Quinn wrote:<br>
> >>>>> <br>
> >>>>>> Where can I find the rule<br>
> >> for max volts?<br>
> >>>>>> <br>
> >>>>>> <br>
> >> _______________________________________________<br>
> >>>>>> NSRCA-discussion mailing list<br>
> >>>>>> NSRCA-discussion@lists.nsrca.org<br>
> >>>>>> <br>
> >> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion<br>
> >>>>> <br>
> >>>>> <br>
> >> _______________________________________________<br>
> >>>>> NSRCA-discussion mailing list<br>
> >>>>> NSRCA-discussion@lists.nsrca.org<br>
> >>>>> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion<br>
> >>>>> <br>
> >>>>> <br>
> >> _______________________________________________<br>
> >>>>> NSRCA-discussion mailing<br>
> >> list<br>
> >>>>> NSRCA-discussion@lists.nsrca.org<br>
> >>>>>
http://lists.nsrca.org/mailman/listinfo/nsrca-discussion<br>
> >>>> <br>
> >>>> _______________________________________________<br>
> >>>> NSRCA-discussion mailing list<br>
> >>>> NSRCA-discussion@lists.nsrca.org<br>
> >>>> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion<br>
> >>> <br>
> >>> _______________________________________________<br>
> >>> NSRCA-discussion mailing list<br>
> >>> NSRCA-discussion@lists.nsrca.org<br>
> >>> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion<br>
> >>> <br>
> >> _______________________________________________<br>
> >> NSRCA-discussion mailing list<br>
> >> NSRCA-discussion@lists.nsrca.org<br>
> >> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion<br>
> >> <br>
> >> <br>
> >> <br>
> >> <br>
> >> -----Inline Attachment Follows-----<br>
> >> <br>
> >> _______________________________________________<br>
> >> NSRCA-discussion mailing list<br>
> >> NSRCA-discussion@lists.nsrca.org<br>
> >> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion<br>
> > <br>
> > <br>
> > <br>
> > _______________________________________________<br>
> > NSRCA-discussion mailing list<br>
> > NSRCA-discussion@lists.nsrca.org<br>
> > http://lists.nsrca.org/mailman/listinfo/nsrca-discussion<br>
> <br>
> _______________________________________________<br>
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