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Thread: Commander #155 'Mephisto Cat'

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  1. #8
    Join Date
    Mar 2006
    Location
    San Francisco - or Abroad
    Posts
    430

    Mast base pictures

    Here are a few pictures (Pics# 1 & 2) of the Hinged Mast Base / Tabernacle plate that I was contemplating on using.

    For reference; the 'Ballenger Spars' part number is HMB M30 - 1/4" SS
    I think that Garhauer makes a similar part.

    This base will allow you to tilt your mast for removal or passage under a low bridge while keeping control of it. Thiis particular plate will accommodate a Mast that is up to 4" x 7"

    This model incorporates the punched flanges on the upper plate as a deck organizer. Very nifty.

    This thing is beautiful solid stainless. I intended to use it, but I decided to go with my plain, fixed, round, non-hinging aluminum base as seen below.







    ---------------------------------------------------------------
    Pictures # 3 on... The final outcome on my Mast Base: (Fabrication drawings posted in the Pdf in previous post)

    A few side, by side comparisons with the old base (note the silicone used by some PO), and then a fit test after being acid-etched, primed, and painted with a two-part polyurethane... It is now sitting on a nice bed of polysulfide awaiting the mast.

    I gave the polysulfide under the base about 3 or 4 weeks to allow curing Prior to stepping the mast. It is a bed of polysulfide that is at least 1/16" thick which is there to eliminate point loads on the cab itself. This is important as the polysulfide cures very slowly and will tend to squirt out under load if not properly cured when loaded.

    I was sure to include a the tradidtional coin for good luck under the mast. I actually added two... One is a 1 (French) Franc piece with the female figure of France in a flowing dress and a nice Canadian (or was it from the UK?) coin with a pretty Sailboat on it. In any case, if anyone else unsteps the mast in the future, they are surely to be confused...
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    Last edited by Rico; 06-18-2009 at 12:27 PM.

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