Xtracer 1152 - Appendix F - Differential Characteristics

Issue 2.0 – 10/12/15 - 1152 Longitudinal Transaxle Sportscar Gearbox Manual
© 2015 - Xtrac Limited, Gables Way, Kennet Park, Thatcham, Berkshire. RG19 4ZA.
Xtrac Inc, 6183 W. 80th Street, Indianapolis, IN 46278. United States
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12. Appendix F – Differential Characteristics
The table below and accompanying chart are provided as a reference guide to aid
differential setups and maps the expected locking performance of the differential
compared to a baseline, where a 30 degree ramp with a total of 16 friction faces is
the maximum achievable locking (note the maximum number of friction faces in the
1152 differential is 8 in total).
Table 3 - Differential Locking Variables
This data has been calculated based on a mixture of theoretical and experimental
data and is a guide only, values are not exact.
RAMP ANGLE
(DEG)
FRICTION FACES
BASELINE
(%)
30 16 100
35 16 83
30 12 75
40 16 70
45 16 59
35 12 63
40 12 53
30 8 50
45 12 44
35 8 42
40 8 35
60 16 33
45 8 29
60 12 25
60 8 16
75 16 13
75 12 10
80 16 7
75 8 6
80 12 5
80 8 3
85 8,12,16 0