Asymmetric dinghy block
Wednesday January 8th 2003, Author: James Boyd, Location: None
Holt developed its dynamic bearing system for blocks in response to the loads typically found on today’s asymmetric dinghies. It recognised that blocks needed to be light, strong, tough and capable of exceptional performance.
The company's new 30mm dynamic block range follows their philosophy in block development and compliments its existing range of 20mm and 40mm dynamic blocks.
The new range is ideal for mainsheet systems; kicker systems and sheet/halyard lead applications. Using Holt’s ‘ProStrap’ head system, the block has a cold forged radioed head, which increases articulation and provides a rope friendly connection.
The blocks use stainless steel balls running on a stainless steel rim to provide massive strength under load. By forming the body of the block from one piece of stainless steel, its strength is transferred throughout the block. Using less material makes it around 25% lighter than an equivalent block (on a standard HA 30mm block).
The block use Holt's 'ProStrap' system - the head of the block has a fully rounded profile, designed to improve articulation on fixing points and enables the block to twist without jamming. It is also rope friendly with no sharp edges or corners.
The edges of the rope guide have a steep angle to prevent lines from pulling across the head of the block. The wide strip used in this area also stops the guides from peeling.
The block has a hole through its centre and so can be tied in a cascade.
Spec:
Sheave Diameter: 28.2mm
Width: 10mm
Material: Acetal resin
Cheeks: Composite filled nylon with 316 stainless steel straps
Axle: Stainless steel
Line size: 6-10mm
Price: £7.18 inc VAT for a single 30mm blocks HA2030
Contact:
HOLT, The Embankment, Putney, London. SW15 1LB
HOLT, Capstan House, Hamble High Street, Hamble, Southampton. SO31 4HA
tel: +44 (0)20 8789 5557 fax: +44 (0)20 8789 8365
e-mail: sales@holtallen.com









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