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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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11-21-2011, 09:22 PM | #1 |
Not Yet Wild
Join Date: Jul 2011
Posts: 14
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final wheel RPM
Looking for the RPM of an 18 inch wheel at top speed of a normal stock cart. Converted my carts rear end to a hydraulic drive axel and need to build the pulley system.
Tks, Jeff |
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11-21-2011, 10:14 PM | #2 |
Astronautilator
Join Date: Sep 2011
Location: North Idaho
Posts: 1,494
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Re: final wheel RPM
Hello Chopper,
Lets see if I can wrap my head around this. 18" tire has a circumference of 56.5'' a mile is 5,280 feet and converted to inches for simplicity is 63,360" so 63,360 / 56.5 = 1121.4 revolutions of one tire to go one mile. 1121.4 multiplied by average speed of stock is 11 mph = 12,335.4 and that divided by 60 minutes is 205.6 rpm? Sounds reasonable to me. I'm sure some one will correct me if I'm wrong. |
11-21-2011, 11:19 PM | #3 | |
Gone Mad
Join Date: Oct 2009
Location: Buford, GA
Posts: 8,988
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Re: final wheel RPM
Quote:
Are you planning on driving the cart, or letting the cart drive something external, such as a saw mill?? RPMs are RPMs, and are independent of wheel diameter if you are driving an external load. The load will determine the max rpm. Otherwise, the above post probably got you covered. |
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11-21-2011, 11:25 PM | #4 |
Gone Crazy
Join Date: Jan 2007
Location: Chesterfield, Va
Posts: 6,021
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Re: final wheel RPM
going to a hydrostatic drive? could be interesting.........
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11-22-2011, 11:48 AM | #5 | |
Gone Wild
Join Date: Dec 2010
Location: Woodstock,GA
Posts: 1,088
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Re: final wheel RPM
Quote:
I think, thats how I understand it. So wheel size will not play a part, just RPM's at final drive. |
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11-22-2011, 12:18 PM | #6 |
Gone Wild
Join Date: Jul 2008
Location: Reddick IL
Posts: 11,220
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Re: final wheel RPM
Could be a great mud/rock crawler.
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11-22-2011, 12:32 PM | #7 |
Not Yet Wild
Join Date: Jul 2011
Posts: 14
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Re: final wheel RPM
I pulled the original rear end out and replaced it with a 1 inch splined shaft on the 18 inch wheels. The hydraulic motor spins 303 RPM cont. and has 2330 inch pounds of torque. The plan is for two 1-1 pulleys. The hyd motor is mounted on a slide plate where the batteries were in the center of the cart. That pulley has about 6 inches back to the shaft pulley. If i'm not happy with that i'm going to up the motor pulley one or two sizes.
If the rear wheel spins at around 300 for 11mph then I believe i'm heading in the right direction?? |
11-22-2011, 09:38 PM | #8 |
Gone Wild
Join Date: Jul 2009
Location: South Central Tennessee
Posts: 150
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Re: final wheel RPM
This might help...
http://www.buggiesgonewild.com/speed-calculator.php Might need more math but its a start. Good luck with the project |
11-23-2011, 03:22 AM | #9 | |
Gone Mad
Join Date: Oct 2009
Location: Buford, GA
Posts: 8,988
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Re: final wheel RPM
Quote:
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12-16-2011, 01:30 PM | #10 |
Astronautilator
Join Date: Sep 2011
Location: North Idaho
Posts: 1,494
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Any update worth mentioning Chopper?
Sent from my SCH-I510 using Tapatalk |
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