BS 3092:1973
Current
The latest, up-to-date edition.
Specification for main friction clutches, main power-take-off assemblies and associated attachments for internal combustion engines
Hardcopy , PDF
English
28-02-1973
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Cooperating organizations
Foreword
Specification
1. General
2. Main clutches
3. Main power-take-off assemblies
4. Flywheel-spigoted couplings
5. Housings
Figures and Tables
A. Flywheel data
1. Spline details
2. Dowels and dowel holes
3. Single plate, coil spring-engaged clutches (flat
face, equally spaced fixing holes and dowel
location)
4. Flywheels for coil spring-engaged clutches (flat
face, equally spaced fixing holes and dowel
location)
5. Single plate, coil spring-engaged clutches (flat
face, unequally spaced fixing holes and dowel
location)
6. Flywheels for coil spring-engaged clutches (flat
face, unequally spaced fixing holes and dowel
location)
7. Single plate coil spring-engaged clutches (inset
face, equally spaced fixing holes and dowel
location)
8. Flywheels for coil spring-engaged clutches (inset
face, equally spaced fixing holes and dowel
location)
9. Single plate coil spring-engaged clutches (inset
face, equally spaced fixing holes and spigot
location)
10. Flywheels for coil spring-engaged clutches (inset
face, equally spaced fixing holes and spigot
location)
11. Diaphragm spring clutches
12. Flywheel for 6 1/2 inch diameter diaphragm spring
clutch (flat face, unequally spaced fixing holes
and dowel location)
13. Flywheels for 7 1/2 inch, 8 1/2 inch, 9 1/2 inch
and 10 1/2 inch diameter diaphragm spring clutches
(flat face, equally spaced fixing holes and dowel
location)
14. Flywheels for 12 inch and 13 inch diameter
diaphragm spring clutches (flat face, unequally
spaced fixing holes and dowel location)
15. Flywheels for 14 inch and 15 inch diameter
diaphragm spring clutches (inset face, equally
spaced fixing holes and dowel location)
16. Multi-plate, coil spring-engaged and cam-operated
clutches (flat face)
17. Multi-plate, coil spring-engaged and cam-operated
clutches (inset face)
18. Friction plate, cam-operated clutches
19. Flywheels for friction plate, cam-operated clutches
20. Power-take-off assemblies (single and multi-plate)
21. Flywheels for power take-off assemblies (single
and multi-plate)
22. Flywheels for flywheel-spigoted couplings and
industrial clutches
23. Mating spigots for direct flywheel mounted clutches
and flywheel-spigoted couplings
24. Engine flywheel housings
25. Clutch housings
Envelope, attachment and other dimensions of flywheel-mounted main drive components for internal combustion engines (excluding aircraft engines).
| Committee |
MCE/14
|
| DevelopmentNote |
Supersedes 71/30098 DC (07/2005) Reviewed and confirmed by BSI, December 2012. (11/2012)
|
| DocumentType |
Standard
|
| Pages |
42
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
This British Standard specifies envelope, attachment and certain other dimensions of flywheel-mounted main drive components for internal combustion engines (excluding aircraft engines).
In Section 5, “Housings??, only dimensions relevant to the mating of the components are specified.
NOTE The titles of the British Standards referred to in this standard are listed on the inside back cover.
| Standards | Relationship |
| UNE-EN ISO 29461-1:2022 | Identical |
| BS 3170:1972 | Specification for flexible couplings for power transmission |
| BS 3529:1962 | Specification for dimensions of flywheel housing mounting pads and brackets for i.c. engines |
| BS 5208:1975 | Specification for dimensions of power take-off driving shafts and mounting faces for small internal combustion engines |
| BS 46-1:1958 | Keys and keyways and taper pins Specification. Keys and keyways |
| BS 3550:1963 | Specification for involute splines |
| BS 2059:1953 | Specification for straight-sided splines and serrations |
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