Gear Ratio Explained ????

onthethreshold · 04-03-2014, 05:38 AM

Can someone convert golf cart ratios to car ratios for me ? For example does the 8:1 represent say a 4:56 or more like a 3:23 .Thank you in advance.

ProjectClubCar · 04-03-2014, 05:44 AM

12 to 1 = 3:73
8 to 1 = 3:42
6 to 1 = 3:28

just used chevy as an example

kgsc · 04-03-2014, 06:38 AM

Ok PC, I'll bite, how did you get those numbers?

720Deere · 04-03-2014, 07:18 AM

He bent over and tugged real hard!

gornoman · 04-03-2014, 07:43 AM

I'm pretty sure the numbers are for reference only, not direct comparisons. It puts it in terms a car guy understands.

Or, he pulled them out of his.....lol!

sXeMike · 04-03-2014, 08:39 AM

I thought they were the same...

in car talk 4.56 is 4.56 to 1
in golf cart talk 12:1 is 12 to 1

on a car...for ever 4.56 turns on the drive shaft you get one turn at the wheel
on a cart...for every 12 turns at the driven clutch(or electric motor) you get 1 turn at the wheel

scottyb · 04-03-2014, 09:09 AM

Quote:

Originally Posted by sXeMike

I thought they were the same...

in car talk 4.56 is 4.56 to 1
in golf cart talk 12:1 is 12 to 1

on a car...for ever 4.56 turns on the drive shaft you get one turn at the wheel
on a cart...for every 12 turns at the driven clutch(or electric motor) you get 1 turn at the wheel

I'm going with this explanation ..... the numbers are just higher than Cars. Don't forget the Ezgo workhorse at 15.1:1 and note that 12:1 is actually 12.44:1
I hope this helps?

sXeMike · 04-03-2014, 10:12 AM

Quote:

Originally Posted by scottyb

I'm going with this explanation .....

Thankyou!!! I thought I was going crazy for a minute.

scottyb · 04-03-2014, 10:53 AM

This brings out another often discussed and misunderstood point which is tire size and it's effect on torque loss.

Increase the tire size from 18 to 23 or 24 inches and you have changed the final drive ratio by about 33% or from 12:1 to 8:1

Now? Where did all my torque go?

Swan · 04-03-2014, 11:52 AM

Quote:

Originally Posted by scottyb

Now? Where did all my torque go?

Nowhere when your throwing out 700amps lol

04-03-2014, 05:38 AM	#1
onthethreshold Not Yet Wild Join Date: Feb 2014 Location: Paris,Ohio Posts: 33	Gear Ratio Explained ???? Can someone convert golf cart ratios to car ratios for me ? For example does the 8:1 represent say a 4:56 or more like a 3:23 .Thank you in advance.

04-03-2014, 05:44 AM	#2
ProjectClubCar Gone Broke Join Date: Oct 2011 Location: Galveston, Texas Posts: 1,592	Re: Gear Ratio Explained ???? 12 to 1 = 3:73 8 to 1 = 3:42 6 to 1 = 3:28 just used chevy as an example

04-03-2014, 06:38 AM	#3
kgsc Gone Wild Join Date: Dec 2009 Location: Aiken, SC Posts: 13,173	Re: Gear Ratio Explained ???? Ok PC, I'll bite, how did you get those numbers?

04-03-2014, 07:18 AM	#4
720Deere Gone Wild Join Date: Jan 2012 Location: Jarrettsville, MD Posts: 326	Re: Gear Ratio Explained ???? He bent over and tugged real hard!

04-03-2014, 07:43 AM	#5
gornoman Stay thirsty my friends! Join Date: Jan 2007 Location: Suburban Chicago Posts: 24,289	Re: Gear Ratio Explained ???? I'm pretty sure the numbers are for reference only, not direct comparisons. It puts it in terms a car guy understands. Or, he pulled them out of his.....lol!

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04-03-2014, 08:39 AM	#6
sXeMike Gone Wild Join Date: Apr 2010 Location: Scottsville, Va Posts: 152	Re: Gear Ratio Explained ???? I thought they were the same... in car talk 4.56 is 4.56 to 1 in golf cart talk 12:1 is 12 to 1 on a car...for ever 4.56 turns on the drive shaft you get one turn at the wheel on a cart...for every 12 turns at the driven clutch(or electric motor) you get 1 turn at the wheel

04-03-2014, 10:53 AM	#9
scottyb Happy Carting Join Date: Dec 2007 Location: Southern California Posts: 73,417	Re: Gear Ratio Explained ???? This brings out another often discussed and misunderstood point which is tire size and it's effect on torque loss. Increase the tire size from 18 to 23 or 24 inches and you have changed the final drive ratio by about 33% or from 12:1 to 8:1 Now? Where did all my torque go?

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