04-18-2011, 09:42 PM
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#1 (permalink)
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EcoModding Lurker
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just saw this on ebay
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Today
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Other popular topics in this forum...
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04-19-2011, 12:35 AM
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#2 (permalink)
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60+ mpg at posted speeds
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Looks cool! Thanks for posting it. But it is 25" long, 11" wide, and almost an even inch tall. They would be a bit of a aero drag. Two would be $200 before shipping and then there would be other hardware to buy. But, of course, I'm thinking I want one or two as well. I wonder if they could be mounted on a trunk (where there is already plenty of draggy dead air). I wonder if I could keep people from stealing them?
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Black and Green will be rebuilt over decades as parts die--until it becomes a different car. Goal is only 60-70 mpg at posted speeds. I'm not trying for highest possible mileage.
Calculators: standard deviation, Ohms Law, & drag HP losses.
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04-19-2011, 06:09 AM
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#3 (permalink)
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EcoModding Lurker
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20W (or 40 if you buy two) is just about right to keep the battery topped off if you don't drive for a while, but you can't really run anything on that sort of power.. even a modest radio will consume more power than that I would think..
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04-19-2011, 08:21 AM
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#4 (permalink)
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EcoModding Lurker
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Quote:
Originally Posted by gabi
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What do you plan on using them for? |
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04-19-2011, 08:25 AM
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#5 (permalink)
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60+ mpg at posted speeds
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Here is a list of how much power accessories draw, post a while ago (and for a Metro):
Tested: power draw of Geo Metro accessories & systems (volts, current/amps, watts)
What if the alternator were on a switch, as some have suggested on this forum? Under sunny conditions with a car that draws less power in general and none for accessories, put the alternator on a clutch and let the panel maintain. Let the battery recharge while the car sits at work all day. Use the alternator if necessary. Maybe?
__________________
Black and Green will be rebuilt over decades as parts die--until it becomes a different car. Goal is only 60-70 mpg at posted speeds. I'm not trying for highest possible mileage.
Calculators: standard deviation, Ohms Law, & drag HP losses.
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04-19-2011, 10:08 AM
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#6 (permalink)
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EcoModding Lurker
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Quote:
Originally Posted by California98Civic
Looks cool! Thanks for posting it. But it is 25" long, 11" wide, and almost an even inch tall. They would be a bit of a aero drag. Two would be $200 before shipping and then there would be other hardware to buy. But, of course, I'm thinking I want one or two as well. I wonder if they could be mounted on a trunk (where there is already plenty of draggy dead air). I wonder if I could keep people from stealing them?
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its actualy very thin,
2.5 milimeters |
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04-19-2011, 01:04 PM
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#7 (permalink)
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Empty Pocketed Ecomodder
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try these, cheaper by a whole bunch
40W 2PCS 20W mono solar panels | 2X20 Watt Home Solar Panel | 12V Solar Panels
$180 with shipping. i have a pair of the 15W panels that i'll be putting on my Jeep's cargo box this summer
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Last edited by Joenavy85; 04-19-2011 at 01:09 PM..
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04-19-2011, 02:27 PM
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#8 (permalink)
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EcoModding Lurker
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Even if it's not enough to power the whole car, it should reduce the drag on the alternator pulley right? Getting supplemental charging power should help out some...
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04-20-2011, 12:24 AM
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#9 (permalink)
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60+ mpg at posted speeds
Join Date: Mar 2011
Location: Coastal Southern California
Posts: 1,190
Thanks: 384
Thanked 166 Times in 113 Posts
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Quote:
Originally Posted by gabi
its actualy very thin, 2.5 milimeters
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Oh! I counted it as centimeters by mistake. 2.5mm is very thin alright.
__________________
Black and Green will be rebuilt over decades as parts die--until it becomes a different car. Goal is only 60-70 mpg at posted speeds. I'm not trying for highest possible mileage.
Calculators: standard deviation, Ohms Law, & drag HP losses.
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04-30-2011, 11:32 PM
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#10 (permalink)
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60+ mpg at posted speeds
Join Date: Mar 2011
Location: Coastal Southern California
Posts: 1,190
Thanks: 384
Thanked 166 Times in 113 Posts
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Gabi, did you end up buying a pair?
__________________
Black and Green will be rebuilt over decades as parts die--until it becomes a different car. Goal is only 60-70 mpg at posted speeds. I'm not trying for highest possible mileage.
Calculators: standard deviation, Ohms Law, & drag HP losses.
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