X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail-fx0-f52.google.com ([209.85.161.52] verified) by logan.com (CommuniGate Pro SMTP 5.4.1) with ESMTPS id 5101608 for flyrotary@lancaironline.net; Tue, 23 Aug 2011 19:30:26 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.161.52; envelope-from=wdleonard@gmail.com Received: by fxd18 with SMTP id 18so573888fxd.25 for ; Tue, 23 Aug 2011 16:29:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=jM0l9C/bYbK6j+X3Ywypbkj7dhv4yLKC7dBZ+452S6g=; b=IvBWJDcis1YPhNTueWNCCVl9LX7J12rus1oXiBEpPkRnLCHv12TQEp9ccznTW5t1gP VZBm/94Qne06kHxi/eNiypBFaEWtv2jzuoEKb+LG1lTEoggde/PXTGF8qsx6Nf8LzbJw QxG+vcLyy9slwoJqVF76Y6xh2napNfSOvcOFQ= MIME-Version: 1.0 Received: by 10.223.76.201 with SMTP id d9mr6148861fak.119.1314142189647; Tue, 23 Aug 2011 16:29:49 -0700 (PDT) Received: by 10.223.2.207 with HTTP; Tue, 23 Aug 2011 16:29:49 -0700 (PDT) In-Reply-To: References: Date: Tue, 23 Aug 2011 16:29:49 -0700 Message-ID: Subject: Re: [FlyRotary] Re: Batteries From: David Leonard To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary=00151747bdba65f89a04ab349249 --00151747bdba65f89a04ab349249 Content-Type: text/plain; charset=ISO-8859-1 I had 2 16 Ah motorcycle batteries for a while. But they sucked and I switched to 2 Odyssey 17 Ah like Ed, but the wouldn't both fit in the stock -6 box and I decided that system didn't work too well anyway and carried the extra weight of additional wire and relays. So I flew for a couple of years with a single Oddysy. then I decided that I wanted more power reserve and went to a single 33 Ah Panasonic RG. Then this year those got too expensive so I went with a generic replacement 34 Ah RG that has been working fine so far. Dave Leonard On Mon, Aug 22, 2011 at 1:31 PM, wrote: > > > Z 2 > > > ---- Tom Walter wrote: > > Joe, > > Which Bob Knuckles system? Z19? > > I realize Ed is happy with one battery, but I like two batteries. TheTHUNK > of relays all popping open and the realization of "I turned off the > alternator,and voltage dropped way too low.... followed with LAND NOW!" > would have convinced Ed tohave put the second battery back in! It sure got > my attention on why two batteries is a good thing!(Great Story, but I'll let > Ed tell it!) > > > So two batteries, and a BIG RED LIGHT with "low voltage" will go on my > panel. > I did the spread sheet with 17AH batteries and flying time. Add in Night, > and noplace to easily land.... two batties seem like a good trade off. My > biggest shockwas the FORD style contactor needed 1Amp draw to remain > closed. Shutting down nonessential, but leaving contactors, PDF, ECU and > coils.... System draw is around 15 Amps. 17AHimplies you'd have an hour, > but at 15Amp draw... more like 30-40 minutes, hence two batteriesas 1 hour > flying time makes finding a landing strip a little easier. > > Tom > > > > ________________________________ > From: Ed Anderson > To: Rotary motors in aircraft > Sent: Monday, August 22, 2011 11:20 AM > Subject: [FlyRotary] Re: Batteries > > Joe, I started out using two Concord 25AH RGB each weighing 22 lbs for a > total of over 44 lbs of battery (some joked I could get home by using the > start to crank the prop {:>)) ! I then transition to two Odyssey PC-680 > 17AH batteries each weighing 14 lbs for a total of 28 lbs. Then after 6 > years of flying with two batteries and never using the second one - except > to help crank on a cold morning, I removed one of them. Have now been > flying for over 4-5 years with one Odyssey 14lbs. I swap it out every two > years. > > Ed > > -------------------------------------------------- > From: > Sent: Monday, August 22, 2011 11:59 AM > To: "Rotary motors in aircraft" > Subject: [FlyRotary] Batteries > > > What size an type of batteries are required for the rotary? I am leaning > toward using 2 batteries and use Bob Nuckols system. Thanks for any help. > > > > Joe Berki > > Limo EZ > > > > -- > > Homepage: http://www.flyrotary.com/ > > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html > > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html > > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html > -- David Leonard Turbo Rotary RV-6 N4VY http://N4VY.RotaryRoster.net http://RotaryRoster.net --00151747bdba65f89a04ab349249 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable I had 2 16 Ah motorcycle batteries for a while. But they sucked and I switc= hed to 2 Odyssey 17 Ah like Ed, but the wouldn't both fit in the stock = -6 box and I decided that system didn't work too well anyway and carrie= d the extra weight of additional wire and relays. =A0So I flew for a couple= of years with a single Oddysy. =A0then I decided that I wanted more power = reserve and went to a single 33 Ah Panasonic RG. =A0 Then this year those g= ot too expensive so I went with a generic replacement 34 Ah RG that has bee= n working fine so far.

Dave Leonard

On Mon, Aug 2= 2, 2011 at 1:31 PM, <jskmberki@windstream.net> wrote:


Z 2


---- Tom Walter <roundrocktom@= yahoo.com> wrote:
> Joe,

Which Bob Knuckles system?=A0 Z19?

I realize Ed is happy with one battery, but I like two batteries.=A0 TheTHU= NK of relays all popping open and the realization of "I turned off the= alternator,and voltage dropped way too low.... followed with LAND NOW!&quo= t; would have convinced Ed tohave put the second battery back in! It sure g= ot my attention on why two batteries is a good thing!(Great Story, but I= 9;ll let Ed tell it!)


So two batteries, and a BIG RED LIGHT with "low voltage" will go = on my panel.
I did the spread sheet with 17AH batteries and flying time. Add in Night, a= nd noplace to easily land.... two batties seem like a good trade off.=A0 My= biggest shockwas the FORD style contactor needed 1Amp draw to remain close= d.=A0 Shutting down nonessential, but leaving contactors, PDF, ECU and coil= s....=A0=A0 System draw is around 15 Amps. 17AHimplies you'd have an ho= ur, but at 15Amp draw... more like 30-40 minutes, hence two batteriesas 1 h= our flying time makes finding a landing strip a little easier.=A0

Tom



________________________________
From: Ed Anderson <eanderso= n@carolina.rr.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Monday, August 22, 2011 11:20 AM
Subject: [FlyRotary] Re: Batteries

Joe, I started out using two Concord 25AH RGB each weighing 22 lbs for a to= tal of over 44 lbs of battery (some joked I could get home by using the sta= rt to crank the prop {:>)) !=A0 =A0I then transition to two Odyssey PC-6= 80 17AH batteries each weighing 14 lbs for a total of 28 lbs.=A0 Then after= 6 years of flying with two batteries and never using the second one - exce= pt to help crank on a cold morning, I removed one of them.=A0 Have now been= flying for over 4-5 years with one Odyssey 14lbs.=A0 I swap it out every t= wo years.

Ed

--------------------------------------------------
From: <jskmberki@windstream.= net>
Sent: Monday, August 22, 2011 11:59 AM
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: [FlyRotary] Batteries

> What size an type of batteries are required for the rotary?=A0 I am le= aning toward using 2 batteries and use Bob Nuckols system.=A0 Thanks for an= y help.
>
> Joe Berki
> Limo EZ
>
> --
> Homepage:=A0 h= ttp://www.flyrotary.com/
> Archive and UnSub: http://mail.lancaironline.net:81/list= s/flyrotary/List.html


--
Homepage:=A0 http:/= /www.flyrotary.com/
Archive and UnSub:=A0 http://mail.lancaironline.net:81/lists/= flyrotary/List.html


--
Homepage: =A0http:/= /www.flyrotary.com/
Archive and UnSub: =A0 http://mail.lancaironline.net:81/lists= /flyrotary/List.html



--
= David Leonard

Turbo Rotary RV-6 N4VY
http://N4VY.RotaryRoster.net
http://RotaryRoster.net
--00151747bdba65f89a04ab349249--