F55/F56 :: Hatch Talk (2014+) MINI Cooper and Cooper S (F55/F56) hatchback discussions.

F55/F56 Cruising rpm

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Old Aug 22, 2014 | 10:19 AM
  #1  
Erhan's Avatar
Erhan
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Cruising rpm

Hello all. The new MINI is growing on me so I decided to learn a bit more about it.

What is the cruising rpm in the manual Cooper S? One thing that I dislike about my manual R56 S is the very high cruising rpm (3k rpm @ 73mph).
 
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Old Aug 22, 2014 | 11:36 AM
  #2  
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shao77
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From: San Jose, CA, USA
Not the car you are asking for but for others who might be interested to know,
1.5L auto. I usually set cruise control at 65 mph and is 2.1K-2.2K rpm.
 
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Old Aug 22, 2014 | 11:46 AM
  #3  
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hammerhands
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From: Cold, Sleepwalking Winnipeg
Gear Ratios x final drive
Cooper
6-speed manual transmission (FD = 3.421)
1 12.367
2 6.678
3 4.245
4 3.315
5 2.757
6 2.337
R 12.103
6-speed automatic transmission (FD = 3.683)
1 16.422
2 9.237
3 5.727
4 4.206
5 3.134
6 2.475
R 11.730

Cooper S
6-speed manual transmission (FD = 3.588)
1 14.076
2 7.664
3 4.998
4 3.904
5 3.200
6 2.713
R 12.694
6-speed automatic transmission (FD = 3.502)
1 15.615
2 8.783
3 5.446
4 3.999
5 2.980
6 2.353
R 11.154

Tire circumference in inches
175/65R15 75.262
195/55R16 76.795
205/45R17 76.266
205/40R18 76.833

W=Rpm
V=mph
c=circumference in inches
r=gear ratio

W=(1056*V*r)/c

(1056 * 60mph * 2.713) / 76.795 = 2238rpm
 

Last edited by hammerhands; Aug 22, 2014 at 02:22 PM.
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Old Aug 22, 2014 | 01:07 PM
  #4  
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Erhan
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Great, thanks for the reply.

So they fitted longer 6th gear in the auto again... Same speed, same tire, the auto would be 1940rpm vs 2240rpm in the manual. MINI did this in R56 as well...
 
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Old Aug 22, 2014 | 02:25 PM
  #5  
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hammerhands
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From: Cold, Sleepwalking Winnipeg
The automatic S has the same gear ratios as the automatic 3-cylinder, except for the final drive, but the manual transmissions are more different.
 
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Old Aug 23, 2014 | 04:36 PM
  #6  
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jtoddpaul
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From: Hanover, PA
I was at 75 in my F56 MCS in 6th gear and at ~2800 RPM.
 
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