Resend- Re: batteries in place of generator
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12-18-2007, 16:11
Post: #1
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Resend- Re: batteries in place of generator
----- Forwarded Message ----
From: Ross MacKillop To: WanderlodgeForum@yahoogroups.com Sent: Tuesday, December 18, 2007 6:18:36 PM Subject: Re: [WanderlodgeForum] Re: batteries in place of generator Hi, Just to clarify a couple of pts and questions. The new all electric 450 has 2 140 amp alternators (@24V) and can run 2 of the 4 A/C -heat pumps while on the road.. There are 2 -3600 w Vanner inverters and one 1500 true sine wave inverter for the fridge and electronics. The fridge is a minor draw -Kitchenaid . To run an A/C on battery alone- no way 11-12 amps 120 V is ~140 amp at 12V Onan has a new slick method of reducing the size of the alternator and increasing battery/inevrter use http://www.cumminsonan.com/hqd/ Ross 2006 450 LXi Cambridge ON in San Antonio ----- Original Message ---- From: bubblerboy64 To: WanderlodgeForum@yahoogroups.com Sent: Tuesday, December 18, 2007 2:48:50 PM Subject: [WanderlodgeForum] Re: batteries in place of generator Well? I just learned last week that many of the new buses are all electric. Now, can you run the air conditioning in these buses off the batteries? I would guess that you can not. That you would have to start the generator. Some one mentioned the refrig as being a big draw on battery bank stored energy. Seems to me an air conditioner would pull more then the refrig unless the refrig was started in a warm condition. I know nothing about this subject other then personal experience with RV roof air conditioners and I know they draw a bunch of power especially on first start up. John Heckman central Pa 1973 FC > > and 3600 watts = 30 amps at 120v. I've never worried about running an AC on > a 30amp shore hookup. > > I'm pretty sure the book says the AC units pull about 12 or 13 amps > running. If they need some surge to start I would think the big inverter > and the bank of 8 to 12 batteries could handle it? > > On Dec 18, 2007 3:20 PM, Peter T. Arnold > > > 300 Amps X 12V = 3600 watts > > > > I wouldn't think of running a 13.5 BTU air conditioner with out a 5.0 > > Generator to cove line loss and motor start surge. > > > > Pete > > > > > > On Tue, 18 Dec 2007 14:10:59 -0500, you wrote: > > > > >I could do that also. I already own a couple of portable generators, one > > >5kva and and 7.5kva. > > > > > >I'm not so much planning on running the main engine solely to charge the > > >batteries as charging the batteries while going down the road, or > > charging > > >the batteries while parked where there *is* shore power. I probably need > > >to make sure we can run one of the rooftop AC units while going down the > > >road, but I'm suspecting a big hunky alternator (say 300 amps or so) > > could > > >handle that... I'm guessing that 12.5kw gas genset and associated 30 > > >gallons of fuel must weigh over 500lbs combined, which is a fair amount > > of > > >batteries, say another 8 or more. > > > > > >On Dec 18, 2007 1:21 PM, bubblerboy64 40hotmail.com> > > > wrote: > > > > > >> Dorn, Don't know if your idea would work or not, but I have decided > > >> if my generator dies I think I will make a storage bay for my > > >> portable Honda generators and do it that way. Wouldn't be able to run > > >> them going down the road but I would be able to use them as I did > > >> with my previous trailers. I own the Honda's and rather then dumping > > >> big bucks into a new onan or similar I think I would compromise as > > >> suggested. > > >> John Heckman > > >> central Pa > > >> 1973 FC > > >> > > >> > > > >> > The gas generator on my 77FC35 isn't in the best shape. (hosed up > > >> flywheel, > > >> > takes many tries to find enough teeth to make it start, then > > >> doesn't run for > > >> > more than 5 minutes without starving for fuel... (or so it seems)) > > >> > > > >> > I'm considering just pulling it out and filling the hole where it > > >> used to be > > >> > with a big pile of batteries and a big inverter/charger. > > >> > > > >> > My thought is that the generators weight in batteries would be a > > >> lot of Amp > > >> > Hours. > > >> > > > >> > I would also probably put in the biggest alternator I could get my > > >> hands on > > >> > for best charging and most useable power whilst on the road. > > >> > > > >> > I realize this arrangement probably won't run the much air > > >> conditioning, or > > >> > for long, but I don't have any immediate plans to boondock with the > > >> air > > >> > running > > >> > > > >> > Any thoughts? Anyone tried this with success or failure? > > >> > > > >> > Regards, > > >> > > > >> > Dorn Hetzel > > >> > 77FC35 > > >> > Hogansville, GA > > >> > > > >> > > > >> > [Non-text portions of this message have been removed] > > >> > > > >> > > >> > > >> > > > > > > > > >[Non-text portions of this message have been removed] > > > > -- > > > > Fraternal Regards, > > > > Peter T. Arnold > > > > Worthy Patron, Temple Chapter #53 {3rd Time} > > > > Hartford Evergreen Lodge #88 Past Master > > Meets on 1st and 3rd Mondays > > > > Washington Lodge #70, Past Master 1997 > > 2nd and 4th Monday > > > > Yahoo 6th District B.L.C. Newsgroup Co-Moderator > > > > Past A.G.M., Masonic District 6B > > Grand Lodge of Connecticut A.F. & A.M. > > > > As you can see, I'm busy on Mondays! > > > > > > > [Non-text portions of this message have been removed] > <!-- #ygrp-mkp{ border:1px solid #d8d8d8;font-family:Arial;margin:14px 0px;padding:0px 14px;} #ygrp-mkp hr{ border:1px solid #d8d8d8;} #ygrp-mkp #hd{ color:#628c2a;font-size:85%;font-weight:bold;line-height:122%;margin:10px 0px;} #ygrp-mkp #ads{ margin-bottom:10px;} #ygrp-mkp .ad{ padding:0 0;} #ygrp-mkp .ad a{ color:#0000ff;text-decoration:none;} --> <!-- #ygrp-sponsor #ygrp-lc{ font-family:Arial;} #ygrp-sponsor #ygrp-lc #hd{ margin:10px 0px;font-weight:bold;font-size:78%;line-height:122%;} #ygrp-sponsor #ygrp-lc .ad{ margin-bottom:10px;padding:0 0;} --> <!-- #ygrp-mlmsg {font-size:13px;font-family:arial, helvetica, clean, sans-serif;} #ygrp-mlmsg table {font-size:inherit;font:100%;} #ygrp-mlmsg select, input, textarea {font:99% arial, helvetica, clean, sans-serif;} #ygrp-mlmsg pre, code {font:115% monospace;} #ygrp-mlmsg * {line-height:1.22em;} #ygrp-text{ font-family:Georgia;} #ygrp-text p{ margin:0 0 1em 0;} #ygrp-tpmsgs{ font-family:Arial;clear:both;} #ygrp-vitnav{ padding-top:10px;font-family:Verdana;font-size:77%;margin:0;} #ygrp-vitnav a{ padding:0 1px;} #ygrp-actbar{ clear:both;margin:25px 0;white-space:nowrap;color:#666;text-align:right;} #ygrp-actbar .left{ float:left;white-space:nowrap;} .bld{font-weight:bold;} #ygrp-grft{ font-family:Verdana;font-size:77%;padding:15px 0;} #ygrp-ft{ font-family:verdana;font-size:77%;border-top:1px solid #666;padding:5px 0;} #ygrp-mlmsg #logo{ padding-bottom:10px;} #ygrp-vital{ background-color:#e0ecee;margin-bottom:20px;padding:2px 0 8px 8px;} #ygrp-vital #vithd{ font-size:77%;font-family:Verdana;font-weight:bold;color:#333;text-transform:upp\ ercase;} #ygrp-vital ul{ padding:0;margin:2px 0;} #ygrp-vital ul li{ list-style-type:none;clear:both;border:1px solid #e0ecee;} #ygrp-vital ul li .ct{ font-weight:bold;color:#ff7900;float:right;width:2em;text-align:right;padding-ri\ ght:.5em;} #ygrp-vital ul li .cat{ font-weight:bold;} #ygrp-vital a{ text-decoration:none;} #ygrp-vital a:hover{ text-decoration:underline;} #ygrp-sponsor #hd{ color:#999;font-size:77%;} #ygrp-sponsor #ov{ padding:6px 13px;background-color:#e0ecee;margin-bottom:20px;} #ygrp-sponsor #ov ul{ padding:0 0 0 8px;margin:0;} #ygrp-sponsor #ov li{ list-style-type:square;padding:6px 0;font-size:77%;} #ygrp-sponsor #ov li a{ text-decoration:none;font-size:130%;} #ygrp-sponsor #nc{ background-color:#eee;margin-bottom:20px;padding:0 8px;} #ygrp-sponsor .ad{ padding:8px 0;} #ygrp-sponsor .ad #hd1{ font-family:Arial;font-weight:bold;color:#628c2a;font-size:100%;line-height:122%\ ;} #ygrp-sponsor .ad a{ text-decoration:none;} #ygrp-sponsor .ad a:hover{ text-decoration:underline;} #ygrp-sponsor .ad p{ margin:0;} o{font-size:0;} .MsoNormal{ margin:0 0 0 0;} #ygrp-text tt{ font-size:120%;} blockquote{margin:0 0 0 4px;} .replbq{margin:4;} --> Instant message from any web browser! 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