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Gas Yamaha Gas Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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06-22-2013, 08:18 AM | #11 |
Gone Wild
Join Date: May 2011
Location: Las Vegas NV
Posts: 330
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Re: 32 MPH Yamaha gas g29!!
Following your calculation and your idea, that should give you 15% more speed. But again, that won't happen given such factors like resistance, drag, weight, etc. Your calculation is simply theoretical as I have arrived at your calculated speed also using a small calculator. Maybe you were driving downhill and with the wind! Anyway, I respect your opinion and let's rest it at that.
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06-22-2013, 09:06 AM | #12 |
Getting Wild
Join Date: Mar 2013
Posts: 116
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Re: 32 MPH Yamaha gas g29!!
Things like wind and weight would affect the top RPM but the math should still work with the correct RPM
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06-22-2013, 09:09 AM | #13 |
Gone Wild
Join Date: May 2011
Location: Las Vegas NV
Posts: 330
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Re: 32 MPH Yamaha gas g29!!
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06-25-2013, 08:50 PM | #14 |
Gone Wild
Join Date: Nov 2012
Location: Southeastern Pa.
Posts: 319
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Re: 32 MPH Yamaha gas g29!!
This reminds me of the formulas we used to use to calculate boat speed by taking drive ratio, prop pitch, and RPM, and factoring in prop slip. The thing is, the math does work, but it usually gives optimistic results, typical actual numbers tend to be a little less, because we can't always account for unknown variables. But that formula will give you a general idea of what you can expect.
Interesting that when I plug the numbers for my cart in there, it comes up with 20.9 MPH which is exactly what I radar'ed mine at. So it's a pretty close guide. Redoing it to give the top speed for the 22" tires I eventually want to upgrade to, jumps the speed up to 25.6 MPH. So now I have a good idea what to expect...... Cool. |
06-26-2013, 06:06 AM | #15 | |
Not Yet Wild
Join Date: Nov 2011
Posts: 25
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Re: 32 MPH Yamaha gas g29!!
Quote:
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06-26-2013, 06:09 AM | #16 |
Not Yet Wild
Join Date: Nov 2011
Posts: 25
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Re: 32 MPH Yamaha gas g29!!
[QUOTE=SandbaggerYDRA;899620]This reminds me of the formulas we used to use to calculate boat speed by taking drive ratio, prop pitch, and RPM, and factoring in prop slip. The thing is, the math does work, but it usually gives optimistic results, typical actual numbers tend to be a little less, because we can't always account for unknown variables. But that formula will give you a general idea of what you can expect.
Interesting that when I plug the numbers for my cart in there, it comes up with 20.9 MPH which is exactly what I radar'ed mine at. So it's a pretty close guide. Redoing it to give the top speed for the 22" tires I eventually want to upgrade to, jumps the speed up to 25.6 MPH. So now I have a good idea what to expect...... Nice! Good for u! I don't know why these other guys don't believe that it works.. All u have to do us try it for urself! |
06-26-2013, 06:39 PM | #17 |
Gone Wild
Join Date: May 2011
Location: Las Vegas NV
Posts: 330
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Re: 32 MPH Yamaha gas g29!!
Go back to school. That's Physics 101.
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06-28-2013, 12:51 PM | #18 |
Getting Wild
Join Date: Mar 2010
Location: Kingwood Texas
Posts: 99
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Re: 32 MPH Yamaha gas g29!!
Same set up in my "Drive" except I have 14" wheels on lo-pros. I gps'd at 29-30 but I weigh 220lbs.
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06-28-2013, 03:09 PM | #19 |
G8 Club Founding Member
Join Date: Sep 2010
Location: Middle of Virginia, USA
Posts: 4,265
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Re: 32 MPH Yamaha gas g29!!
All I can say is, with a 9" lift, I sure am glad I CAN'T do 32 mph!!! Stating to need a helmet for those speeds on a golf cart!!!
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