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Wooden Yacht Blocks

Metalmor Classic Ash Yacht Blocks from Meridian Zero

Metalmor Classic Ash Wooden Yacht Blocks combine the best aspects of traditional and modern design and production. Yacht Ash Blocks from Meridian Zero are manufactured from solid Ash, polished marine grade AISI316 stainless steel, high-strength white ertacetal thermoplastic resin sheaves and stainless steel axle pin.

The Classic Ash Yacht range of blocks is plain-bearing, intended for yachts up to approximately 14 metres in length overall.

The solid wood cheeks are glued and screwed, treated with tung oil and lacquer finished with a high gloss varnish.

The stainless steel axle pin is mounted with a Hex-Head bolt to prevent turning and facilitate removal for maintenance and repair.

Ertacetal thermoplastic resin has excellent mechanical properties for durable plain-bearing sheave performance:

  • Tough and Solid 
  • Excellent creep resistance and dimensional stability
  • Ideal for precision part machining
  • Low co-efficient of friction 
  • Very good dielectric properties

Classic Ash Yacht Blocks are Plain Bearing which means:

  • No ball bearings or roller bearings
  • Simple construction with only one moving part, the least possible to construct a serviceable pulley
  • Low maintenance
  • The sheave rotates directly on a simple axle pin
  • Sheave groove designed to handle rope sympathetically 
  • Cost effective - reasonably priced compared with a ball bearing or roller bearing block
  • Excellent for high static loads
  • Excellent all round, multi-purpose functionality
  • Excellent working life – no bearings to be crushed and fall out

Classic Yacht Ash Block Options in three sizes 8-10mm, 10-12mm, and 12-14mm:

  • Single, double, triple and fiddle (double in line) sheaves - fiddles are only available in the two larger sizes
  • Bow (fixed head) or swivel head
  • With or without becket

Metalmor Yacht Ash Blocks from Meridian Zero - Specifications:

Single Sheave
Block Rope Diameter Sheave Diameter MBL Weight
Single Sheave 8-10mm 40mm 300kg 0.2kg
Single Sheave 10-12mm 50mm 350kg 0.3kg
Single Sheave 12-14mm 60mm 400kg 0.4kg
Double Sheave
Block Rope Diameter Sheave Diameter MBL Weight
Double Sheave 8-10mm 40mm 350kg 0.3kg
Double Sheave 10-12mm 50mm 400kg 0.5kg
Double Sheave 12-14mm 60mm 440kg 0.7kg
Triple Sheave
Block Rope Diameter Sheave Diameter MBL Weight
Triple Sheave 8-10mm 40mm 400kg 0.4kg
Triple Sheave 10-12mm 50mm 420kg 0.7kg
Triple Sheave 12-14mm 60mm 460kg 0.8kg

Metalmor Yacht Ash Blocks from Meridian Zero - Dimensions:

Ash Yacht Blocks Dimensions Diagram

Single Sheave
Block Rope Diameter A B C D E F G H J
Single Sheave 8-10mm 78mm 57mm 46mm 40mm 12mm 17mm 14mm 17mm 6mm
Single Sheave 10-12mm 90mm 68mm 48mm 50mm 13mm 18mm 16mm 21mm 8mm
Single Sheave 12-14mm 104mm 77mm 54mm 60mm 13mm 19mm 18mm 21mm 8mm
Double Sheave
Block Rope Diameter A B C D E F G H J
Double Sheave 8-10mm 78mm 57mm 72mm 40mm 17mm 21mm 14mm 17mm 8mm
Double Sheave 10-12mm 90mm 68mm 76mm 50mm 18mm 24mm 16mm 21mm 10mm
Double Sheave 12-14mm 104mm 77mm 84mm 60mm 20mm 25mm 18mm 21mm 10mm
Triple Sheave
Block Rope Diameter A B C D E F G H J
Triple Sheave 8-10mm 78mm 57mm 98mm 40mm 42mm 30mm 14mm 17mm 10mm
Triple Sheave 10-12mm 90mm 68mm 93mm 50mm 44mm 30mm 16mm 21mm 12mm
Triple Sheave 12-14mm 104mm 77mm 114mm 60mm 48mm 30mm 18mm 21mm 12mm

Metalmor Tall Ship Traditional Ash Yacht Blocks for yachts over 14 metres in length overall are also available - please enquire

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Ash Yacht Block, Single with Bow

£97.00 -10%

£87.30

Ash Yacht Block, Single with Swivel

£105.00 -10%

£94.50


Ash Yacht Block, Double with Bow

£127.00 -10%

£114.30

Ash Yacht Block, Double with Swivel

£137.00 -10%

£123.30


Ash Yacht Block, Triple with Bow

£153.00 -10%

£137.70

Ash Yacht Block, Triple with Swivel

£178.00 -10%

£160.20


Ash Yacht Block, Fiddle with Bow

£156.00 -10%

£140.40