This wiki page on MPGe lists the fuel consumption of production EVs in kWh/100miles
https://en.wikipedia.org/wiki/Miles_per_gallon_gasoline_equivalent The BMW i3 is the best at 124 mpg-e (27 kWh/100 mi) Your truck might take double that. 54 kWh/100 mi. You want to go 70 miles, which will take you 54 x 0.70 = 39 kWh / 70 miles. That is the battery capacity you would want to consider (after more careful research). 39000 Wh / (1200 Wh x 20%) /70 miles = 16.25 hours of charging to get 70 miles of travel. 1 hour of charging would get you 4.3 miles (full sun). On Mon, Jan 18, 2016 at 2:26 PM, Michael Ross <michael.e.r...@gmail.com> wrote: > Here's what you need to SWAG the utility of PV panels on the truck. > > The sun can be assumed to produce 1000W/square meter when it is out with > few clouds and high enough in the sky. The very best panels will return > about 20% of that, many will do much less. > > In case you don't know Watts = Volts x Amps for DC. > > Suppose you get panels that equal two 4' x 8' sheets (64 feet^2 (feet > squaresd)) of plywood (intuition says you won't try to mount more than > that). That is just under 6 meter^2. When the sun is cooking good with > great panels you will get 1200 watts. If you get that for an hour you have > 1.2kW hours generated. > > Then you have to pick a pack voltage, and know something about that > current draw.. > > 1200 watts is pretty meaningless so you have to factor in the time that > watts are produced and the time it is comsumed. W hours = (VA) hours. > > You may want to compare to the battery capacity and rate of use for > existing vehicles. Your '51 is almost a bluff body compared to a Tesla S > or Leaf. If you have a 60 mile round trip you might guess you need twice > a Nissan Leaf pack in capacity. > > 1200 watts is not insignificant, but a vehicle uses a lot. You also can't > count on it the whole time the sun is up, and the cloud cover. You might > average out to 1200W over seven hours a day in the summer in the desert > southwest, or 4 hours in Nova Scotia. > > If you are trying to get a meaningfull effect parked in the parking lot at > your grocery store, good luck, it will be a very small amount. You might > be better off taking the cost of panels on the truck and all the peripheral > stuff, and instead buying more battery cells and charging at home. > > Everything about generating power from solar energy gets better when it is > not mobile. You just have to go home to get it. In your case you might > mobilize the thing and still have to go home. > > Anyway you should do the numbers yourself. It will be instructive. You > can come to the discussion list for checking the results. > > > On Mon, Jan 18, 2016 at 1:20 PM, Pestka Denis via EV <ev@lists.evdl.org> > wrote: > >> Bobby; >> >> Good luck with the build. >> I converted a 65 Datsun Pickup, and love it. >> EVAlbum, 1366 >> Fun to drive, and it gets a lot of attention. >> >> Dennis >> Elsberry, MO >> >> ________________________________________ >> From: EV <ev-boun...@lists.evdl.org> on behalf of Bobby Keeland via EV < >> ev@lists.evdl.org> >> Sent: Monday, January 18, 2016 8:51 AM >> To: Electric Vehicle Discussion List; John Lussmyer >> Subject: Re: [EVDL] Converting '51 Chevy pickup: Books on converting a >> car to ev? >> >> Thanks for the replies to my question regarding the 1951 Chevy pickup. In >> answer to your questions: >> I'm retired so don't have a daily commute, but it is 30 miles to my >> doctor, >> dentist and whole foods for grocery shopping. I only drive when I need >> something. Range is of course a concern. I used to have a 1988 S-10 but >> sold it some time ago. I do prefer the look of the 1951. >> I prefer li-ion batteries. With a heavy vehicle I'd rather not add even >> more battery weight. >> An e-meter would be a definite. >> Yes. I can do a lot of work myself. I have the time and I've done quite a >> bit of auto and electrical work. Getting dirty and busting some knuckles >> is >> nothing new to me. I spent 9 years in the army as infantry/combat >> engineer. >> Perhaps I can add solar panels on a rack over the pickup so that it is >> recharging whenever the sun is shining. That will not provide a complete >> recharge while shopping, but it should help some. >> >> I'm in no hurry to start the EV project as I have several other projects >> to >> complete: >> 1) finish the solar panel, charge controller, etc. install on an RV. It is >> installed. I just need to add more solar panels, >> 2) finish some solar hot water panels so I can have both hot water and >> radiant floor heating, >> 3) add a gutter system and tanks so that I can collect rainwater, >> 4) add more PV panels and batteries so I can go off grid, >> 5) add a trike kit to my Harley Sportster. >> >> Bob Keeland, Forest Dynamics >> On Jan 13, 2016 9:48 AM, "John Lussmyer via EV" <ev@lists.evdl.org> >> wrote: >> >> > On Wed Jan 13 07:05:47 PST 2016 ev@lists.evdl.org said: >> > >Meaning you may decide initially to go with the lower cost lead-acid >> > (PbSO4) >> > >flooded batteries (i.e.: 24 T-105's in a box in the truck bed) but also >> > >consider what-if later you went for the taller t-145, or upgraded to >> > li-ion >> > >> > Nowadays, there is pretty much NO reason to start with lead-acid. >> Li-ion >> > don't cost that much more up front, are smaller, lighter, and last FAR >> > longer. >> > >> > >Having an e-meter in the dash cluster than can tell you how much energy >> > >capacity you have left or charge you still need, etc. is a very useful >> > item. >> > >Here is one, see >> > >https://www.google.com/?gws_rd=ssl#q=Xantrex+Link+10 >> > >> > I've been using one of these: >> > >> > >> http://www.lightobject.com/Programmable-Digital-AH-meter-blue-led-Ideal-for-battery-monitoring-P278.aspx >> > The main difference I've found from a Link-10 is that it doesn't >> > auto-reset after charging. I have to press a button to do that. >> > >> > >Like my Blazer was, your older pickup is a heavy inefficient donor for >> > >conversion. So, I suggest you have a drive system that has regen (has >> an >> > AC >> > >motor and controller). Regen can gain a few miles, but its other gain >> is >> > in >> > >using the friction brakes a whole lot less (they last longer). >> > >> > It also depends on your driving pattern. 95% of my trips involve 2 >> stops, >> > driving 8-20 miles, 2 more stops. >> > Not much useable regen at all. >> > DC drive was a FAR less expensive option. >> > >> > >Your ice pickup has about a 90hp engine. For the same performance you >> > ought >> > >to have at least a 144VDC pack. There are several sources for EV >> > components. >> > >Shop around do not limit yourself to what I use as examples. Here is a >> > >144VDC peak 88hp AC motor/controller kit, see >> > > >> > >> http://www.electricmotorsport.com/ev-parts/motor-drive-kits-2/ac-induction-motor-kits/ac-51-kit.html >> > >> > AC Drive, Max of 88 HP for $4600 >> > DC drive system (Warp 9, Z1K), Max HP 200+, for $4000 >> > (also, can handle a WIDE voltage range, which allows a much broader >> > range of battery pack configurations.) >> > I'm using a pair of Impulse 9" (should have used Warp 9") motors, and >> a >> > Z2K. >> > Provides nice acceleration for my 6300 lb truck. >> > >> > -- >> > >> > Tigers prowl and Dragons soar in my dreams... >> > _______________________________________________ >> > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub >> > http://lists.evdl.org/listinfo.cgi/ev-evdl.org >> > Read EVAngel's EV News at http://evdl.org/evln/ >> > Please discuss EV drag racing at NEDRA ( >> > http://groups.yahoo.com/group/NEDRA) >> > >> > >> -------------- next part -------------- >> An HTML attachment was scrubbed... >> URL: < >> http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20160118/099abbb2/attachment.htm >> > >> _______________________________________________ >> UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub >> http://lists.evdl.org/listinfo.cgi/ev-evdl.org >> Read EVAngel's EV News at http://evdl.org/evln/ >> Please discuss EV drag racing at NEDRA ( >> http://groups.yahoo.com/group/NEDRA) >> >> _______________________________________________ >> UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub >> http://lists.evdl.org/listinfo.cgi/ev-evdl.org >> Read EVAngel's EV News at http://evdl.org/evln/ >> Please discuss EV drag racing at NEDRA ( >> http://groups.yahoo.com/group/NEDRA) >> >> > > > -- > To invent, you need a good imagination and a pile of junk. > Thomas A. Edison > <http://www.brainyquote.com/quotes/quotes/t/thomasaed125362.html> > > A public-opinion poll is no substitute for thought. > *Warren Buffet* > > Michael E. Ross > (919) 585-6737 Land > (919) 576-0824 <https://www.google.com/voice/b/0?pli=1#phones> Google > Phone > (919) 600-2892 Cell > > michael.e.r...@gmail.com > <michael.e.r...@gmail.com> > > > -- To invent, you need a good imagination and a pile of junk. Thomas A. Edison <http://www.brainyquote.com/quotes/quotes/t/thomasaed125362.html> A public-opinion poll is no substitute for thought. *Warren Buffet* Michael E. Ross (919) 585-6737 Land (919) 576-0824 <https://www.google.com/voice/b/0?pli=1#phones> Google Phone (919) 600-2892 Cell michael.e.r...@gmail.com <michael.e.r...@gmail.com> -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20160118/9e241459/attachment.htm> _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org Read EVAngel's EV News at http://evdl.org/evln/ Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
