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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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11-18-2011, 06:44 PM | #21 |
Gone Mad
Join Date: Oct 2009
Location: Buford, GA
Posts: 8,988
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Re: 84 Marathon resistor cart project
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Today | |
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11-18-2011, 07:14 PM | #22 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: 84 Marathon resistor cart project
Quote:
Not precise, but definitely ballpark. |
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11-18-2011, 07:53 PM | #23 | |
Gone Mad
Join Date: Oct 2009
Location: Buford, GA
Posts: 8,988
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Re: 84 Marathon resistor cart project
Quote:
I know I'm WAY off-topic, but I've always wanted to know how much energy my pack held. My eight T-105s weigh in at 496 pounds. I have three, 150 pound, 10 kV, 100 uf caps. At .5CV^2, that's 15 kJ, which is enough to do some serious pulse discharge mad science. It'd be kewl to be able to do this from my buggy pack, though I'm not sure I'd want to subject my batteries to this kind of abuse. |
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11-18-2011, 11:09 PM | #24 |
Astronautilator
Join Date: Sep 2011
Location: North Idaho
Posts: 1,494
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Re: 84 Marathon resistor cart project
I'm lost.
Gorno I need one of your tinfoil hats. If..... I..... ... ... could only..... reach....... my utility....... belt. The mad scientist in me keeps me checking the updates. |
11-19-2011, 12:20 AM | #25 |
Gone Wild
Join Date: Oct 2011
Location: Southeast Ohio -- "The Toenails of the Foothills of Appalachia"
Posts: 232
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Re: 84 Marathon resistor cart project
Bet none of you guys have a 120V->30kV xfrmr like *I* do. Inherited from my dear departed dad. We used to set it up as a Jacob's ladder and mystify the kids. Probably full of PCB-laced oil, I've got a mini-superfund site in my garage.
Let's see - run the batt pack into one of the APC UPSs from the piles in the basement to make 120V. UPS output goes to 30kV xfrmr. Jacob's ladder on the back of the cart, made from 2 quarter-wave CB antennas (11 meters/4 = 3.6667 meters) - 2" separation at bottom, 12" at top. Drive down the road, hitting the "energize" button (big and RED), screaming "Bwah-hah-hah-hah-hah!!!!". Talk about a mad scientist experiment! You can make a tin foil hat from aluminum foil - much easier to come by than tin foil! ... but I'm getting ahead of myself. Calm down. Step AWAY from the 30kV transformer. Need to build a battery rack first. I miss my dad - he was a genius at batteries and motors (among other things - he was a hell of a Scrabble (tm) player, too). He'd be my go to guy for battery rejuvenating and motor rewinding. He'd have loved the banter in this forum, too. RLW |
11-19-2011, 04:49 AM | #26 | |
Gone Mad
Join Date: Oct 2009
Location: Buford, GA
Posts: 8,988
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Re: 84 Marathon resistor cart project
Quote:
If you count Tesla coils, I got you beat, at several hundred kV. Besides being able to blow things up (or shrink them), I'd like to be able to power this by the campfire next to our subdivision lake. The largest inverter I have is only 750 Watts. I need at least 3,000 Watts to power my little toy. BTW, I use green for energize and a red mushroom for stop. |
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11-19-2011, 08:27 AM | #27 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: 84 Marathon resistor cart project
Quote:
FWIW: This is based on the energy density of Lead-Acid batteries being 146kJ/kg, which takes into account the mass of container holding the chemistry and the internal support structures. The energy density of chemistry itself is about 173kJ/kg. |
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11-19-2011, 09:50 AM | #28 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,419
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Re: 84 Marathon resistor cart project
This is some CRAZY (brown stuff) right there |
11-19-2011, 10:32 AM | #29 |
Gone Wild
Join Date: Oct 2011
Location: Southeast Ohio -- "The Toenails of the Foothills of Appalachia"
Posts: 232
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Re: 84 Marathon resistor cart project
OK, Yurtle - you win. Tesla beats 30 kV transformer! As a newbie to this forum, I've learned my lesson - "Never try to one-up anyone! You'll get smacked down!" RLW |
11-19-2011, 10:52 AM | #30 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,419
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Re: 84 Marathon resistor cart project
Isn't that the truth?
It's the internet. Real or imagined, there is always somebody who knows better |
Tags |
1984, marathon, project, resistor, series |
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