[MHml] Hydraulic mainsheet

[Russell_P_Davis at cox.net]

Has anyone tried air over hydraulic like that used on a tugboat's towing 
winch? That would give automatic release and automatic recovery.

----- Original Message ----- 
From: "Ross Hobson" <r.s.hobson at newcastle.ac.uk>
To: "Informed discussion of multihull issues" <multihulls at steamradio.com>
Sent: Thursday, December 06, 2007 9:16 AM
Subject: Re: [MHml] Hydraulic mainsheet


> Paul
> the VX40 has a very neat Hollmatro system, pump sheet on - turn valve to 
> pump cunningham on - hand valve to dump, all right next to mainsheet hand 
> and helm
>
> the main control is the traveller with little mainsheet alteration
> this is the same situation on Charleston
>
> intersteingly on Mollymawk it was the other way around, but we had a much 
> more limited length of mainsheet travller track to ply the sail on
>
> Ross
>
>
> -----Original Message-----
> From: multihulls-bounces at steamradio.com on behalf of Paul Nudd
> Sent: Thu 06/12/2007 12:07
> To: Informed discussion of multihull issues
> Subject: [MHml] Hydraulic mainsheet
>
>
> Maybe they have got more reliable in recent years. Rob Denney had a 'dump' 
> valve close to hand on STB but it didn't work so the boat ended up upside 
> down.
> Rogntidjuuuu had a hydraulic mainsheet that deposited oil all over the 
> deck, making the boat very dangerous and impossible to sail competitively. 
> You can't hand hold a hydraulic system.
> Paul Nudd
>
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