[Rhodes22-list] Mast Crane Questions

Michael D. Weisner mweisner at ebsmed.com
Fri Aug 31 10:38:52 EDT 2007


Slim,

Do you cross over these shrouds?  How do they continue to maintain lateral 
sway control as the mast is raised beyond about 45 degrees since they go 
slack?

Mike
s/v Shanghaid'd Summer ('81)
       Nissequogue River, NY

From: "Steven Alm" <stevenalm at gmail.com> Friday, August 31, 2007 10:26 AM
> Mike,
>
> I said before, and Stan said it too.  Go back to the instructions in the
> link and look at step # 8.  It's the extensions on the forward lowers that
> keep the mast from swating.
>
> Slim
>
> On 8/31/07, Michael D. Weisner <mweisner at ebsmed.com> wrote:
>>
>> Stan,
>>
>> To quote from my earlier post:
>> "Lou had printed instructions that appeared to have been downloaded from
>> the
>> list.  I believe that they had originally been provided by Slim:
>> http://www.rhodes22.org/pipermail/rhodes22-list/2005-April/022314.html "
>>
>> These instructions do not mention "hoist cross over" and required
>> substantial attention to lateral motion when raising the stock Rhodes,
>> non-IMF mast.  Would you please post new instructions (and diagrams?) of
>> the
>> hoist cross over system.
>>
>> "no one ALIVE TODAY has ever reported a failure"?  Does this mean what it
>> seems to imply? :~))
>>
>> Mike
>> s/v Shanghaid'd Summer ('81)
>>        Nissequogue River, NY
>>
>> From: "stan" <stan at rhodes22.com> Friday, August 31, 2007 9:25 AM
>> > the correct use of the extension chains with the hoist cross over 
>> > system
>> > does not require any controlling of shrouds when you raise or lower a
>> > Rhodes
>> > mast.   just keep the area clear, close your eyes and turn the winch
>> > handle - no one alive today has ever reported a failure.
>> >
>> > ss
>> >
>> > ----- Original Message -----
>> > From: "Michael D. Weisner" <mweisner at ebsmed.com>
>> > To: "The Rhodes 22 mail list" <rhodes22-list at rhodes22.org>
>> > Sent: Friday, August 31, 2007 9:07 AM
>> > Subject: Re: [Rhodes22-list] Mast Crane Questions
>> >
>> >
>> >> Art,
>> >>
>> >> That's exactly what I was doing as we raised the mast using the crane.
>> >> Lou's boat was on land (blocks & stands) so all was very still and
>> there
>> >> was
>> >> no problem, really.  I had never used the crane before and was simply
>> >> concerned about the lateral movement of the mast.  As you indicate, 
>> >> the
>> >> only
>> >> lateral control you have is by applying pressure to the shrouds.
>> >>
>> >> I still feel much more "in control" when raising by hand.  With 2
>> people
>> >> on
>> >> the foredeck, raising the mast from the bow, I have never worried 
>> >> about
>> >> damage or loss, on the trailer or on water.  When I first started
>> sailing
>> >> my
>> >> R22 in '81, we trailered almost daily, setting up and launching in
>> about
>> >> 30
>> >> minutes with a 4 person team.  Now, we perform this action once or
>> twice
>> >> a
>> >> season with a 2 person team, as we are moored in the river and not
>> >> trailer-sailors any longer.  As with most things, age has decreased 
>> >> the
>> >> frequency but not necessarily the ability.
>> >>
>> >> Mike
>> >> s/v Shanghaid'd Summer ('81)
>> >>       Nissequogue River, NY
>> >>
>> >> From: "Arthur H. Czerwonky" <czerwonky at earthlink.net> Thursday, August
>> >> 30,
>> >> 2007 10:47 PM
>> >>> Mike,
>> >>> Given that there is some sway in the mast as it is raised or lowered,
>> >>> especially at the 45 degree point, the midway point, you can apply
>> some
>> >>> control through the shrouds by applying differential pressure to the
>> >>> wires.  You have to be judicial, but if you apply pressure, in any
>> >>> direction, on a shroud, the mast will move in that same
>> direction.  I'd
>> >>> practice this while on the trailer and see the effect.
>> >>> Do you step the mast from the bow while on the water?  Maybe I
>> mis-read.
>> >>> Art
>> >>>
>> >>> -----Original Message-----
>> >>>>From: "Michael D. Weisner" <mweisner at ebsmed.com>
>> >>>>Sent: Aug 30, 2007 1:18 PM
>> >>>>To: The Rhodes 22 mail list <rhodes22-list at rhodes22.org>
>> >>>>Subject: [Rhodes22-list] Mast Crane Questions
>> >>>>
>> >>>>Rummy,
>> >>>>
>> >>>>Lou had printed instructions that appeared to have been downloaded
>> from
>> >>>>the
>> >>>>list.  I believe that they had originally been provided by Slim:
>> >>>>http://www.rhodes22.org/pipermail/rhodes22-list/2005-April/022314.html
>> >>>>We followed them and as the mast is raised, I fail to see what
>> prevents
>> >>>>sideways movement once the mast leaves the crutch.  I have stepped my
>> >>>>mast
>> >>>>many times while on the water and am very concerned about lateral
>> >>>>movement.
>> >>>>I have always felt comfortable while raising the mast from the bow
>> since
>> >>>>I
>> >>>>maintained strong contact with the mast at all times.  When raising
>> the
>> >>>>mast
>> >>>>from the stern using the crane system, the mast was out of reach for
>> >>>>much
>> >>>>of
>> >>>>the time, too high to reach from the cockpit and to far astern to
>> safely
>> >>>>reach from the deck while operating the crane.  None of the shrouds
>> were
>> >>>>really tight enough to provide lateral restraint until it was nearly
>> >>>>vertical and then, it was only the uppers.  When raised the old way,
>> the
>> >>>>uppers and forward lowers are never removed, providing immediate
>> support
>> >>>>of
>> >>>>the mast when vertical (except for falling forward until the aft
>> lowers
>> >>>>are
>> >>>>connected.)  What did we do wrong?
>> >>>>
>> >>>>Mike
>> >>>>s/v Shanghai'd Summer ('81)
>> >>>>Nissequogue River, NY
>> >>>>
>> >>>>From: <R22RumRunner at aol.com> Thursday, August 30, 2007 12:51 PM
>> >>>>> Mike,
>> >>>>> The crane system, if used properly will not allow the mast to swing
>> >>>>> sideways. I believe you missed something.
>> >>>>>
>> >>>>> Rummy
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>> ************************************** Get a sneak peek of the
>> all-new
>> >>>>> AOL
>> >>>>> at
>> >>>>> http://discover.aol.com/memed/aolcom30tour
>> >>>>> __________________________________________________
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>> >>>>>
>> >>>>>
>> >>>>
>> >>>>
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>> >>>
>> >>
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>>
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