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Originally Posted by gustavo
Reality check to the claims of increasing the range of an electric cart by 50% with the addition of a solar panel:
Since the owner of the cart that hasn’t been connected to shore power for years and puts out many more “amps per day” than 1-2 amps will not reveal the specs for his cart, I will offer a reasonable estimate.
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You're calculations are off by a lot.
Let's leave it a that, to be candid, this info is proprietary info and I'm not posting it, in essence giving out a lot time and $$ in research and development of the system.
It works and has been demonstrated here in TV.
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Since the golf carts run on 36 or 48 volt nominal voltage,
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This really has no application on 36v
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Additionally, the weight of the panel, mounting hardware, wiring and converter would be equivalent to an extra battery in the cart (approx. 65 lbs), further reducing the usable energy from the solar panel.
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I don't use a converter? it's a controller.
Panel and aluminum hardware about 35#, wire 2# maybe all up #40.
you can't really add one it would be two at 130#
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So as a previous poster alluded to, if you travel slow then park in the sun for a reasonable period of time, rinse wash, and repeat, you will get a minimal increase in range, over batteries only.
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That's simply not correct, I proven it with two carts.
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As to not having to ever connect the cart to shore power, you will either need a big hole in your garage roof to let in the sun or park the cart outside, neither option is very desirable.
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you can bring yours in and plug in.
My cart stays out all day, no garage needed.
I will sell two 110V chargers if interested, don't need them