[Alberg30] Hinged Mast Base

[Roger L. Kingsland]

Thanks Mike; makes sense; plus, since the main stays are on the centerline
of the beam,  best opportunity to keep mast in column.   Are you aware of
any reason to have the base adjustable?  Seems to me, if one wants to adjust
mast rake (I used to increase mast rake on my Hobie 16 for better upwind
performance but don't know if it is a factor with a low aspect main), it
could be done with the stays.

Roger

Roger L. Kingsland, AIA
Managing Partner
Kingsland Scott Bauer Associates (KSBA)
N40° 27' 49"  W79° 57' 59"
3441 Butler Street
Pittsburgh, PA 15201
www.ksba.com

1(412) 252-1500 X101 - Office & Voice Mail
1(412) 779-5101 - Mobile (no voice mail)
1(412) 252-1510 - Fax


----- Original Message ----- 
From: "Mike Lehman" <sail_505 at hotmail.com>
To: <public-list at alberg30.org>
Sent: Monday, December 01, 2003 10:45 AM
Subject: Re: [Alberg30] Hinged Mast Base


> The mast should be pushed as far forward as possible. If you notice the
mast
> sits on the after part of the support beam underneath. Pushing the mast
> forward helps to center it over the beam.
>
>
>
> Mike Lehman
> "Gilleleje" #505
>
>
>
>
>
> ----Original Message Follows----
> From: "Roger L. Kingsland" <rkingsland101 at ksba.com>
> Reply-To: Alberg 30 public list <public-list at alberg30.org>
> To: "Alberg30" <public-list at alberg30.org>
> Subject: [Alberg30] Hinged Mast Base
> Date: Mon, 1 Dec 2003 09:41:04 -0500
>
> Albergers;
>
> I am designing a hinged mast base for #148 and am interested the optimum
> location for the forward edge of the mast in relation to the front of the
> aluminum base plate.  The original pot metal fitting that mounted to the
> base was adjustable over a range of about 3".   Any opinions as to the
> benefits of a fore/aft adjustable base and what the adjustment range
should
> be.?
>
> Thanks,
>
> Roger Kingsland
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