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John's ethics wouldn't let him send this to the list--but this is the kind of stuff that is helpful--probably would have saved a 40.00 battery--and maybe my house--since the reg was plugged up <BR>
while Pam and I participated in a seminar for a few days. One of those deals where I sort of pushed to get it in the air b/4 leaving town, flew it the nite b/4, put it up--and didn't think about it until I got back with time to run out to the field. Battery had puffed and was 'loose'--I had no clue as to why--except I convinced myself I MUST have left it on--or hit the switch when I put it up. Uh, no...<BR>
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RS<BR><BR><BR>
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Date: Thu, 28 Aug 2008 13:27:56 -0700<BR>From: jpavlick@idseng.com<BR>Subject: Re: [NSRCA-discussion] FW: ESVs for flight pack lipos?<BR>To: pamrich47@hotmail.com<BR>CC: ed_alt@hotmail.com<BR><BR><BR>
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<DIV><BR>Rich,</DIV>
<DIV> I didn't want to post this to the list because I don't want to sound like I'm promoting my own company publicly but...</DIV>
<DIV> </DIV>
<DIV>You can leave a Tech Aero regulator connected directly to the battery for a LONG time before the battery discharges to an unsafe level. Ed and I designed them with a very low quiescent current draw just for that reason. We also have a fail-safe switch arrangement on our regulators. If the switch fails, the regulator (and your airplane) stays ON. If you put a mechanical switch in-line between the battery and the regulator, you could experience loss of power if the switch fails (and they do).</DIV>
<DIV> </DIV>
<DIV>Here's a link to our site in case you're interested:</DIV>
<DIV><A href="http://www.tech-aero.net/" target=_blank>http://www.tech-aero.net</A></DIV>
<DIV> </DIV>
<DIV>Let me know if you have any questions.</DIV>
<DIV> </DIV>
<DIV>John Pavlick</DIV>
<DIV> </DIV>
<DIV>BTW - I use the Radio South meter too. It's not complicated to build one of these yourself but why bother? The Radio south meter is reasonable and it works every time.</DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV><BR>--- On <B>Thu, 8/28/08, Richard Strickland <I><pamrich47@hotmail.com></I></B> wrote:<BR></DIV>
<BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: rgb(16,16,255) 2px solid">From: Richard Strickland <pamrich47@hotmail.com><BR>Subject: Re: [NSRCA-discussion] <SPAN>FW</SPAN>: ESVs for flight pack lipos?<BR>To: "General pattern discussion" <nsrca-discussion@lists.nsrca.org><BR>Date: Thursday, August 28, 2008, 7:48 PM<BR><BR>
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Bought the set-up from Brian(Tanic). After I took my completely shot 1500s back to him after they wouldn't hold a charge--he asked " You DID separate the regulator from the battery--didn't you--like I told you?!!!" "No", I said sheepishly.... The regs evidently draw a tiny amount when hooked up.<BR>I'm going to call Tony--that's <EM>exactly</EM> what I was looking for!<BR> <BR>Thanks,<BR> <BR>Richard<BR><BR>> Date: Thu, 28 Aug 2008 11:33:16 -0800<BR>> From: simestd@netexpress.com<BR>> To: nsrca-discussion@lists.nsrca.org<BR>> Subject: Re: [NSRCA-discussion] FW: ESVs for flight pack lipos?<BR>> <BR>> On Thu, 28 Aug 2008 13:35:33 -0500<BR>> Richard Strickland <pamrich47@hotmail.com> wrote:<BR>> <BR>> > I'm switching some of my stuff to 2 cell lipos into a regulator<BR>> > (learned the hard way that you separate the regulator on the OTHER<BR>> > side of the switch from the battery--but that's another story).<BR>> <BR>> That's good (obvious in hindsight) info that lots of folks might not<BR>> think of, thanks for sharing!<BR>> <BR>> > question(s): What is a good, relatively small ESV that has a load to<BR>> > check the lipos? What voltage do you let them get down to before no<BR>> <BR>> I've had a Radio South digital ESV for years and I really like it. It's<BR>> small, zero maintenance (no batteries) and dead simple to operate.<BR>> <BR>> http://www.radiosouthrc.com/closeup.asp?cid=17&pid=458&offset=0<BR>> <BR>> or<BR>> <BR>> http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXKLF5&P=0<BR>> <BR>> <BR>> Tom<BR>> <BR>> ======================================================================<BR>> "Z-80 system stack overflow. Shut 'er down Scotty, the system's<BR>> sucking mud" - Error message on TRS 80 Model-16B<BR>> <BR>> Tom Simes simestd@netexpress.com <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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