[Public-List] Hinged Mast Step Continued

[americo silva]

just a note I have his video
his mast is quite a bit taller than normal
probably why his chain plate let go too
he claims there was no crane to lift the mast that is why he used a
tabernacle

On Thu, Dec 28, 2017 at 10:22 PM, Don Campbell via Public-List <
public-list at lists.alberg30.org> wrote:

> Yves Gelinas has a shorter mast than the factory stick too.  That will
> change both the mass and leverage. I am fairly sure he uses a jib boom made
> out of the spin pole fastened to the mast.
> That boat is equipped for ocean sailing with things like 3 reefs in a 12
> oz cloth for the main. He has it set for big winds and single handing.
> His book is now available in English too by the way.
> Don
>
> -----Original Message----- From: Gerard Kuperus via Public-List
> Sent: Thursday, December 28, 2017 5:38 PM
> To: public-list at lists.alberg30.org
> Cc: Gerard Kuperus
> Subject: [Public-List] Hinged Mast Step Continued
>
>
> Thanks for the suggestions everyone!
> A lot of you don't seem to think it is a good idea...  I looked at the
> photo series of the A-Frame and read the description and to be honest
> taking the mast down that way freaks me out a bit. I guess it is what one
> is used to: I grew up in the Netherlands and am used to tall (over 50 ft)
> wooden masts on a tabernacle. For sure the forces on that are tremendous
> and you need big diameter cables and a winch, but it is possible and
> although everyone is always happy when the stick is back up, it is not a
> precarious endeavor.
> To make it work on the Alberg 30 requires some good planning and the right
> materials. The Ballenger mast steps are quite sturdy and are not "off the
> shelf" items. My suspicion is that they are mostly making them for the
> boats in Santa Cruz. SC has a bridge and I have heard they have boats with
> masts up to 45' have hinged mast steps for that reason. In any case, I will
> ask Ballenger.
> Looking at the drawing of Yves Gelinas set up (on capehorn.com) he has
> some hinge in the shrouds, exactly in line with the mast hinge. This is to
> make sure the tension remains more or less the same.
> If I understood the comments correctly, some of you seem to think of a
> static A-frame. That is not what I had in mind. Gelinas actually uses his
> spinnaker pole, I was thinking of replacing it with a moving a-frame. When
> the mast is vertical the frame is horizontal (more or less), when the mast
> is horizontal (more or less) the frame is vertical.
> Anyway, I will keep thinking about this and ask some more questions to
> those in the know! Obviously, I want to make sure it is a safe system.
>
>
> Thanks again,
>
>
> Gerard
>
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