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Author Topic: UCE Gearing DOubt.  (Read 793 times)

chinoy

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UCE Gearing DOubt.
« on: February 07, 2010, 12:30:26 AM »
I got this info from the owner manuall.
And I have a doubt.

1st: 3.06:1
2nd : 2.01:1
3rd: 1.52:1
4th 1.21:1
5th 1:1
front 18 teeth
Final Ratio 2.11:1 (Their way of saying the rear sprocket has 38 Teeth)
rear tyre 110/90 18"

So I have this spread sheet which tells you what speed you can reach in each gear etc.
My doubt is there is something missing in the above info.
On the RD we call it the primary Ratio i.e. the ratio between the gear on the crank and the gear on the Clutch bell.
Without this info its hard to work the numbers. Or is that number being ignored here i.e. its worked into your gear ratios.
Most bikes Give you the ratios as
First gear X Teeth by Y teeth = Ratio
And the primary ratio is taken into account separately.


Can somebody tell me the ratio on the Primary drive for the UCE 500.
« Last Edit: February 07, 2010, 12:34:08 AM by chinoy »

RedC5

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Re: UCE Gearing DOubt.
« Reply #1 on: February 07, 2010, 04:11:01 AM »
Hi Chinoy....

The Service Manual for the export C5 / E5 / G5 lists the following

Primary ratio 2.15:1
Overall ratio
1st 3.063:1
2nd 2.013:1
3rd 1.522:1
4th 1.212:1
5th 1.00:1

Secondary ratio
2.235:1 / 101 pitch chain ( E5/ G5 )
2.11:1 / 102 pitch chain ( C5 )
The rear tyre is listed as 100/90-19" -57V 3.5x90 ( E5/G5 ), and
110/80-18" - 58V  (C5), both with 28PSI, 30PSI with pillion

Other than that, its fairly vague,but I hope the information is of some help to you.

 :)


chinoy

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Re: UCE Gearing DOubt.
« Reply #2 on: February 08, 2010, 02:11:05 AM »
thanks man thats all I needed
Hope you can read this
This is a very crude method which does not take into account aero drag and gravity.
If you take that into account 85 MPH is the max you can get with 27 BHP.

                                   Speed In Miles Per Hour                                            
RPM        First   Second   Third   Fourth   Fifth
1000   5.24   9.13   12.31   14.99   16.23
2000   10.47   18.27   24.63   29.97   32.46
3000   15.71   27.40   36.94   44.96   48.69
4000   20.94   36.54   49.26   59.95   64.92
5000   26.18   45.67   61.57   74.94   81.16
5500   28.80   50.24   67.73   82.43   89.27
               
                     Speed In Kilometers Per Hour                                            
RPM        First   Second   Third   Fourth   Fifth
1000   8.43   14.70   19.82   24.12   26.12
2000   16.85   29.40   39.64   48.24   52.24
3000   25.28   44.10   59.46   72.36   78.36
4000   33.71   58.80   79.28   96.48   104.49
5000   42.13   73.50   99.10   120.60   130.61
5500   46.34   80.85   109.00   132.66   143.67
« Last Edit: February 09, 2010, 08:10:43 AM by chinoy »

Ice

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Re: UCE Gearing DOubt.
« Reply #3 on: February 27, 2010, 04:34:09 AM »
Hi Chinoy....

The Service Manual for the export C5 / E5 / G5 lists the following

Primary ratio 2.15:1
Overall ratio
1st 3.063:1
2nd 2.013:1
3rd 1.522:1
4th 1.212:1
5th 1.00:1


Secondary ratio
2.235:1 / 101 pitch chain ( E5/ G5 )
2.11:1 / 102 pitch chain ( C5 )
The rear tyre is listed as 100/90-19" -57V 3.5x90 ( E5/G5 ), and
110/80-18" - 58V  (C5), both with 28PSI, 30PSI with pillion

Other than that, its fairly vague,but I hope the information is of some help to you.

 :)






Hello RedC5 and welcome aboard.
I can break it better,,,,at night, in the rain, on the trail,, 20 miles from nowhere.

REA #136

"TIMEX", the '06 Iron Barrel Military...it takes me everywhere I want to go... and some places I shouldn't.

RedC5

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Re: UCE Gearing DOubt.
« Reply #4 on: February 27, 2010, 04:57:24 AM »
Thanks for the welcome.....

A lovely place to be, may I say

r80rt

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Re: UCE Gearing DOubt.
« Reply #5 on: February 27, 2010, 06:56:35 AM »
Welcome! Red C5 eh? excellent choice in motorcycles  ;)
On the eighth day God created the C5, and it was better looking than anything on the planet.
Iron Butt Association

RedC5

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Re: UCE Gearing DOubt.
« Reply #6 on: February 27, 2010, 08:26:26 PM »
Welcome! Red C5 eh? excellent choice in motorcycles  ;)

Thanks for the welcome....

You know what its like, once you see a Red C5, there is no other
motorcycle   :D

r80rt

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Re: UCE Gearing DOubt.
« Reply #7 on: February 28, 2010, 06:46:09 AM »
I agree with that!
On the eighth day God created the C5, and it was better looking than anything on the planet.
Iron Butt Association