Calculate the tolerances of speedometer and the final velocity

[Author of the original calculator (for Opel GT): Rüdiger Cordes, http://opelgt.org]

Modification for "Manta-A Website" and adaption to Manta-A by Ulrich Dickmann, © 2002

Blue fields = Input-/Option-modules

Yellow fields = Result modules

Tyre-width



[mm]
Tyre-cross-section


[%]
Wheel rim-Ø



[inch]
Differential gear[:1]  ¹
Gear: 
Worm gear[teeth] 
Gear transmission at final gear: 
Speedometer [way revolution]  **
at [rpm]: 
Diameter  [cm]
Tolerance of scale-display: *
[%]
Theoretical final velocity:
[km/h]
Extent unroll  [m]

* compared with standard-combination :

185/70x13 with 3,18 rear-axle, four-speed drive,
blue worm gear, 618-speedometer (e.g.: Manta-A GT/E).


¹ Transmission ratio of rear axle (Manta-A)4,3754,304,113,983,893,703,673,443,18
Manta-A 12S  X      
Manta-A 16N up to chassis-no.      X  
Manta-A 16N starting chassis-no.     X   
Manta-A 16S (switch gear & automatic)      X  
Manta-A 16S SR (switch gear)   X     
Manta-A 16S SR (automatic)    X    
Manta-A 19S (switch gear & automatic)       X 
Manta-A 19S SR (switch gear)      X  
Manta-A 19S SR (automatic)       X 
Manta-A 19E (switch gear & automatic)        X
TE 2800 (40% friction-type differential)        X
Manta-A Turbo (May)        X
Manta-A D.O.T. (Broadspeed)       X 
Manta-A (Steinmetz)      X  
Manta-A (Irmscher)       X 
All data and calculation results without guarantee!

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