Appendix B-3: Specifications for setting up the standardised canting system

Appendix B-3: Specifications for setting up the standardised canting system
Files associated with the last index and/or effective date, available from IMOCA’s secretariat (contact@imoca.org):
- 2D plans - JPG:
o Detailed bearing plan.JPG
o Plan of centre-to-centre distances 2.JPG
- Manual for use:
o User Manual.pdf
The set-up shall adhere to the rules set out in article B.8.4.2.3
-
Set-up plan
-
Theoretical static stresses and loads to be taken into account
Static
Safety
Supply
stress
factor
On the forward keel
bearing
On the aft keel
bearing
On the keel head axis
On the main ram
bearings
On the emergency
ram bearings
Load to be
taken into
account
27.8 T
6.5
TEAM
180.7 T
Static stress
(S.F. = 1)
Touching
bottom
144 T
13.1 T
6.5
TEAM
85.2 T
147 T
37.6 T
37.6 T
4
3
STANDARD
STANDARD
150.4 T
112.8 T
-
31.0 T
3
STANDARD
93 T
-
- Standardised set limit
Not included in the supply from authorised suppliers:
- The forward and aft keel bearings
- The fasteners and/or any other means of attachment on the standardised elements
- The various systems providing watertightness in relation to the main body of the boat (bulb plates, boots,
cable conduits, etc.)
- The bulb and its attachment elements
- The assembly, installation and connecting of the standardised elements and notably the cut-out, the battery’s
main switches and power cables.
• Commissioning
The commissioning of the system must be done in the presence of the authorised suppliers. The commissioning
includes sea trials. A report on the trials will be drawn up by the authorised supplier and directed by the client
(boat owner and/or skipper).
• Suppliers’ recommendations
All the suppliers’ recommendations available in the instructions for setting up and use shall be adhered to. The
keel must notably be protected against electrolysis issues.
• Inspections and maintenance
The inspection and/or maintenance forms will be required in the issuing of the OPEN 60’ measurement certificate
and the keel shall notably adhere to article B.8.4.2.3 of the IMOCA Class Rules.
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