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Wichard MXEvo 2:1/3:1 Blocks - Often imitated but tough to beat

by Aleix Escorsell 15 Oct 2021 01:00 PDT
Wichard MXEvo Block © Wichard

Wichard's expertise comes from over 100 years of forging safety parts for the manufacturing industry, so when it came to designing boat fittings, strength and safety have always been at the top of their priority list.

This is evident in the Wichard MXEvo 2:1/3:1 Block range, but it is the simple, functional design that makes this piece of hardware stand out from the crowd.

Technically, the MXEvo is a friction sheave, with a smooth bearing surface around which a halyard or control line can pass through. The addition of an attachment point (becket), to act as a dead-end for the line, turns this from a 2:1 into a 3:1 purchase system, and makes it suitable for a large range of different applications.

Block or Shackle?

When this design first came onto the market it was commonly called the MX Shackle. An early application was to replace a standard/snap shackle underneath a continuous line furling drum to provide a lightweight, reliable 2:1 purchase system to control luff tension in a code zero or asymmetric sail. Therefore, it was a logical "extension" of a shackle.

However, sailors quickly started to realise that this simple, efficient design could also be used to replace the more bulky ball-bearing block on their furling swivel, for their 2:1 halyard. In their latest design iteration, Wichard have added a becket, which is a clear signal that the MXEvo has now officially evolved from a shackle to a block.

The Wichard MXEvo has two pin types:

The Captive pin version should be used when the MXEvo needs to be regularly removed. For example: 2:1 halyards on mainsails, spinnakers or gennaker or on the bottom of a furling drum.

A more permanent solution, the flush mounted Allen head pin is suitable for mast foot, or main outhaul, blocks and running backstays.

The MXLEvo

Building on the popularity and flexibility of the MXEvo, Wichard have created a soft attachment version called the MXLevo. They have blended a forged HR Stainless steel low friction bearing surface with an easy to open/close soft loop attachment system. This is ideal for mast foot blocks, 2:1 halyards, barber haulers and snatch block applications.

See how the MXEvo and MXLevo range compare with this attribute comparison guide

BlockRope size (mm)DimensionsWorking load (kg)Breaking Load (kg)Weight
MXEvo 6 Allen853x26720170048
MXLEvo 101030x40800200040
MXEvo 6 Captive pin853x261040230053
MXEvo 8 Allen1062x3613003500100
MXLEvo 121240x541600380090
MXEvo 8 Captive1062x3617604100109
MXEvo 10 Allen1477x4417605000204
MXLEvo 161647x6025005000140
MXEVO 10 Captive1477x4426406000222

In-line with the rapid acceptance of friction sheaves and low friction rings, replacing traditional bearing blocks, and with a working load range from 700-2600Kg, the Wichard MXevo / MXLevo blocks can be utilised in a host of different applications.

If you have any questions about the MXEvo and MXLevo blocks, then please do not hesitate to contact us at . Otherwise, get more detailed information on the range here: Shop Wichard MXEvo Blocks.

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