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 wheelassembly |
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 |
Adjustment
| Bevel pinion |
Shims |
| Differential assembly |
Shims |
Overall Ratios
|
O/dTop |
Top |
O/d3rd |
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 |
Related posts:
- General Data and Dimensions: Alpine and Rapier
- Torque Loading Figures
- Bulletin 60-184: Rapier & Alpine “D”-type Overdrive Oil
- Bulletin 67-12: Alpine & Minx Noisy Clutch Shaft Pilot Bushing
- Chassis Codes Issued for Sunbeam Vehicles
