<div>Larry,</div><div> </div><div>OK, here are my SD10G throttle curve settings. Keep in mind, I am currently running a Jeti 99 with the "linear" curve setting in the ESC. With a HV80 ESC I found I didn't need the ramp to be as steep on the bottom, but pretty close. </div>
<div> </div><div>Point 1 = -125</div><div>2 = -65</div><div>3 = -27</div><div>4 = -3</div><div>5 = 11</div><div>6 = 23</div><div>7 = 44</div><div>8 = 59</div><div>9 = 100</div><div> </div><div>This will get you in the ball park.</div>
<div> </div><div>This is in a Nuance, so it's going to be pretty close to your set up. <br></div><div class="gmail_quote">On Fri, Dec 7, 2012 at 3:47 PM, Ed Alt <span dir="ltr"><<a href="mailto:ed_alt@hotmail.com" target="_blank">ed_alt@hotmail.com</a>></span> wrote:<br>
<blockquote style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid" class="gmail_quote">True. They will also discharge faster.<br>
<br>
Ed<br>
<br>
-----Original Message----- From: Duane Beck<br>
Sent: Friday, December 07, 2012 6:40 PM<br>
To: Larry Diamond ; General pattern discussion<div class="HOEnZb"><div class="h5"><br>
Subject: Re: [NSRCA-discussion] Going Electric - Battery Questions<br>
<br>
The higher C packs will have lower internal resistance, which means they'll maintain a higher voltage under load. Higher voltage means the same motor with the same prop will draw more current. More voltage * more current = a lot more power (W = V * I).<br>
<br>
Duane<br>
<br>
----- Original Message -----<br>
<blockquote style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid" class="gmail_quote">
From: "Larry Diamond" <<a href="mailto:ldiamond@diamondrc.com" target="_blank">ldiamond@diamondrc.com</a>><br>
To: "General pattern discussion" <<a href="mailto:nsrca-discussion@lists.nsrca.org" target="_blank">nsrca-discussion@lists.nsrca.<u></u>org</a>><br>
Sent: Friday, December 7, 2012 6:17:47 PM<br>
Subject: Re: [NSRCA-discussion] Going Electric - Battery Questions<br>
Interesting point... I don't understand how changing from 20C to 40C<br>
pack makes a difference using the same Motor and ESC combo. If it's<br>
battery heat, my electronics background would tell me the pack is<br>
probably being dicharged too deep. Not good for the life of a battery.<br>
<br>
I suspect the result of not changing the Motor/ESC and only changing<br>
the battery will reult in a shorter battery life; and, over loading<br>
the power plant which will probably result in damaging the ESC and/or<br>
the Motor.<br>
<br>
I could be wrong, cause I really have no experience with electric<br>
power set ups in planes. I just don't understand the logic going from<br>
20C to 40C and the result being "too hot for intermediate".<br>
<br>
It wouldn't surprise me to see Masters or FAI having a higher power<br>
set up, like 3,500 to 4,000+ watts. Then depending on the max current<br>
draw, 40C may make sense.<br>
<br>
My set up will be about 2,700 to 3,000 watts based on specs... It may<br>
not be sufficient for Masters or FAI.<br>
<br>
Perhaps this will turn out to be a good constructive discussion for a<br>
number of people like me, but I'm curious as to other opinions who<br>
have practicle knowledge.<br>
<br>
Larry Diamond<br>
</blockquote>
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