Shared Left Border

 

 

PROPELLER SHAFT (for torque loading figures see table at end of section)
Type   Open shaft (reverse spline)  
Outside diameter Alpine 2.0 in. (5.1 cm.)
  Rapier 2.75 in. (6.9 cm.)
Overall length Alpine (Std.) 39.34 in. (99.9 cm.)
  Rapier (Std.) 51.84 in. (131.6 cm.)
  Alpine (0/d.) 36.59 in. (95.0 cm.)
  Rapier (0/d.) 48.72 in. (123.7 cm.)
Length between centres Alpine (Std.) 32.25 in (81.9 cm.)
  Rapier (Std.) 46 in. (116. 8 cm.)
  Alpine (0/d.) 29.5 in. (74.9 cm.)(108.9 cm.)
  Rapier (0/d.) 42.88 in.  
Universal joint Needle roller    

REAR AXLE (for torque loading figures see table at end of section)
Type   Semi-floating          
Final drive ratio Alpine (Series I, II) 3.89:1       (4.22: 1 with Overdrive)  
  Rapier (Spiral bevel axles) 4.55:1       (4.78: 1 with Overdrive)  
  Rapier (Hypoid bevel axles) 4.22:1       (4.86: I or from chassis No. B3062492)
4.44: 1 with Overdrive)
 
  Alpine (all Series III) 3.89:1          
  Rapier (Series IV) 3.89:1       (4.22:1 with Overdrive)  
Bearings Bevel pinion Taper roller          
  Differential and crown wheel assembly Taper roller          
  Hub Ball          
Crown wheel to pinion backlash   .005in./.009in.       (0.127/0.229 mm.)  

Number of teeth Crown wheel (Alpine) 35 3.89 38  4.22    
  Bevel pinion (Alpine) 9 9    

  Crown wheel (Rapier) 41 4.55 43 4.78    
  Bevel pinion (Rapier) 9  9    

  Crown wheel (Rapier) 38 4.22 34 4.86 40 4.44
  Bevel pinion (Rapier) 9 7 9

  Crown wheel (Rapier) 35 4.89 38 4.22    
  Bevel pinion (Rapier) 9 9    
Adjustment Bevel pinion Shims          
  Differential assembly Shims          

OVERALL RATIOS O/d Top  Top O/d 3rd Third  Second  First Reverse
Alpine I, II (std) 3.89:1 5.41:1 8.33:1 13.01:1 16.48:1
Alpine I, II (0/d) 3.39:1 4.22:1 4.72:1 5.88:1 9.04:1 14.13:1 17.90:1
Alpine III (all models) 3.12:1 3.89:1 3.85:1 4.80:1 7.38:1 11.53:1 14.61:1
Rapier III (std) (spiral bevel) 4.55:1 6.34:1 9.75:1 15.24:1 19.31:1
Rapier III (O/dl) (spiral bevel) 3.83:1 4.78:1 5.34:1 6.65:1 10.23:1 15.99:1 20.25:1
Rapier III, IIIA (std) 4.22:1  5.88:1 9.04:1  14.13:1 17.90:1
Rapier III, IIIA (0/d) 3.90:1 4.86:1 5.43:1 6.76:1  10.40:1 16.25:1 20.59:1
Rapier IIIA (0/d)  3.56:1 4.44:1 4.96:1 6.18:1 9.51:1 14.87:1 18.83:1
Rapier, Alpine IV (std) 3.89:1 5.41:1 8.32:1 13.01:1 16.48:1
Rapier, Alpine IV (0/d) 3.39:1 4.22:1   4.72:1 5.88:1 9.04:1 14.13:1 17.90:1