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Latitude 50° 19.1 N
Longitude 004° 14.2 W
Depth 20m
Accuracy 500m
Object Type Sheave Wheel
Material Wood
Description Remains of wood sheave, central part heaviliy eroded. Signs of coak orginally fitted
Markings None
Length 135mm
Width 22mm
Condition Poor
Completeness 10%
Number of items 1
Location Description Rame to Penlee

Sheave (12A16)

This heavily eroded sheave was found to the west of the Coronation weck site off Penlee Point. All that remains is the central portion of the sheave that was protected by the triangular copper alloy coak fitted in the centre that was used as a bearing surface for the central spindle. The lower image shows a similar but nearly intact sheave found in the Hamoaze.

The sheave would originally have been mounted within a large pulley block and would have been used as part of the rigging on the vessel. Blocks were also used for gun tackle but the block that this sheave came from is probably too large for that purpose.

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Images

Nearly intact sheave (13A16)

References

Sheave (13A16)