Subject: Re: [harryproa] Re: harry mast tube/ rig
From: "Rob Denney" <harryproa@gmail.com>
Date: 6/17/2008, 3:44 AM
To: harryproa@yahoogroups.com.au
Reply-to:
harryproa@yahoogroups.com.au

G'day,

Apparently similar properties to S glass, at the price of e glass.
I am going to use 200 gsm basalt instead of 300 gsm e glass. Will see
how it goes.

regards,

Rob

On Tue, Jun 17, 2008 at 2:42 PM, colcampey <colcampey@hotmail.com> wrote:
> ? Basalt cloth
>
> Col C
>
> --- In harryproa@yahoogroups.com.au, "Rob Denney" <harryproa@...>
> wrote:
>>
>
>> Have not done it yet, but wil be on harriette, which starts as soon
> as
>> the materials (Polycore and basalt cloth) arrive. Will be less
>> messing around than putting them aft of the beam, assuming the kick
> up
>> system works.
>>
>> regards,
>>
>> Rob
>>
>> On Tue, Jun 17, 2008 at 9:13 AM, Doug Haines <doha720@...> wrote:
>> > Did I miss something regarding beam mounted rudders - when would
> you put it
>> > through the beam as opposed to on the back sideof it?
>> >
>> > --- On Mon, 16/6/08, Rob Denney <harryproa@...> wrote:
>> >
>> > From: Rob Denney <harryproa@...>
>> > Subject: Re: [harryproa] Re: harry mast tube/ rig
>> > To: harryproa@yahoogroups.com.au
>> > Date: Monday, 16 June, 2008, 4:09 PM
>> >
>> > G'day,
>> > It wasn't, although there was also the issue of spreading the load
>> > over a greater area of hull. Future boats will have square beams,
>> > except if they have to be wide enough to fit the mast or rudders
>> > through.
>> >
>> > regards,
>> >
>> > rob
>> >
>> > On Mon, Jun 16, 2008 at 12:07 PM, Doug Haines <doha720@yahoo.
> co.uk> wrote:
>> >>
>> >> worrying over looks versus functionality and saving of
> cost/weight. That
>> >> doesn't sound like you.
>> >>
>> >>
>> >>
>> >> --- On Sat, 14/6/08, Rob Denney <harryproa@gmail. com> wrote:
>> >>
>> >> From: Rob Denney <harryproa@gmail. com>
>> >> Subject: Re: [harryproa] Re: harry mast tube/ rig
>> >> To: harryproa@yahoogrou ps.com.au
>> >> Date: Saturday, 14 June, 2008, 5:42 PM
>> >>
>> >> On Fri, Jun 13, 2008 at 5:38 PM, Doug Haines <doha720@yahoo.
> co.uk> wrote:
>> >>>
>> >>> Hi Rob,
>> >>>
>> >>>
>> >>>
>> >>> Still not sure what you are on about - why not just have the
> bearing tube
>> >>> on its own?
>> >>
>> >> Cost. A metre of 10mm wall UMPWE is not cheap.
>> >>
>> >>>
>> >>>
>> >>>
>> >>> Was sort of giving you a decision to help make on the beam
> overall and
>> >>> the
>> >>> mast if using a gami ww hull. Sounds like you suggest the harry
> overall
>> >>> beam
>> >>> and rig. I guess that is the idea, to get max speed out of it.
> It would
>> >>> be
>> >>> much more responsive than the harry, especially with polycore.
>> >>
>> >> Won't be a whole lot lighter from Polycore, but wil be quicker
> and
>> >> easier to build. Beam overall and mast height are what I used,
> there
>> >> is scope for adjusting them if required.
>> >>>
>> >>>
>> >>>
>> >>> Also, I got rhino to work, so can see the nice drawings now.
>> >>
>> >> Excellent! If you do any fancy renderings, I will put them on
> the web
>> >> page.
>> >>>
>> >>> And I see that the beams/bridgedeck are 58% of lw hull length,
> compared
>> >>> to
>> >>> 43% on elementarry. So steering is not bound to be much worse
> if mounted
>> >>> off
>> >>> from beams. So sorry for dissing that idea. It would save a
> little foam
>> >>> too.
>> >>
>> >> No need to apologise. The beams are such a handy place to put the
>> >> rudders, it would be silly not to take advantage.
>> >>
>> >> Re the beam height and width. Wider than deep was an aesthetic
>> >> decision. Deeper than wide makes more sense structurally.
>> >>
>> >> regards,
>> >>
>> >> Rob
>> >>>
>> >>>
>> >>>
>> >>> Doug
>> >>>
>> >>> --- On Thu, 12/6/08, Rob Denney <harryproa@gmail. com> wrote:
>> >>>
>> >>> From: Rob Denney <harryproa@gmail. com>
>> >>> Subject: Re: [harryproa] Re: harry mast tube/ rig
>> >>> To: harryproa@yahoogrou ps.com.au
>> >>> Date: Thursday, 12 June, 2008, 6:08 PM
>> >>>
>> >>> Beams are 200 high, 300 wide, mast is 12m long, boom 5.7m.
>> >>>
>> >>> The bearing is solidly mounted in the deck and on the keel. The
> other
>> >>> tube
>> >>> is bonded to the underside of the deck and the keel. The outer
> tube can
>> >>> be
>> >>> as big as you like and plays no structural part in the design.
>> >>>
>> >>> regards,
>> >>>
>> >>> Rob,
>> >>>
>> >>> On Thu, Jun 12, 2008 at 2:13 PM, Doug Haines <doha720@yahoo.
> co.uk>
>> >>> wrote:
>> >>>>
>> >>>> On the subject.
>> >>>>
>> >>>> With a gami ww hull, what rig and beam sizes would suit.
> Assuming at
>> >>>> least 12m lw hull?
>> >>>>
>> >>>> So the bearing is abother plastic tube inside the first one?
>> >>>>
>> >>>> Doug
>> >>>>
>> >>>> Perth WA
>> >>>>
>> >>>> Paid for harry/harrigami/ visionarry polycore planset
>> >>>>
>> >>>>
>> >>>>
>> >>>>
>> >>>>
>> >>>> --- On Thu, 12/6/08, Rob Denney <harryproa@gmail. com> wrote:
>> >>>>
>> >>>> From: Rob Denney <harryproa@gmail. com>
>> >>>> Subject: Re: [harryproa] Re: harry mast tube
>> >>>> To: harryproa@yahoogrou ps.com.au
>> >>>> Date: Thursday, 12 June, 2008, 1:23 PM
>> >>>>
>> >>>> G'day,
>> >>>> Could use pvc pipe, but it is hard to get it to stick properly,
>> >>>> especially if it ever gets a knock from someone moving around
> in the
>> >>>> hull. Also a bit tricky to fit it in between the bearings. The
> deck
>> >>>> collar is a better bet, except if the boat capsizes, when
> waves might
>> >>>> get under it and fill the middle section of the hull.
>> >>>>
>> >>>> Doug,
>> >>>> The bearings are UHMWPE plastic, turned on a lathe. Balls
> would have
>> >>>> too big a point loading, unless the bearing diameter was very
> large.
>> >>>>
>> >>>> regards,
>> >>>> Rob
>> >>>>
>> >>>> On Wed, Jun 11, 2008 at 3:20 PM, Robert <cateran1949@
> yahoo.co. uk>
>> >>>> wrote:
>> >>>> > I'd go belts and braces to keep sand out of the bearings
> along with
>> >>>> > providing the extra security. If the tube is merely to keep
> water out,
>> >>>> > why not a piece of PVC pipe
>> >>>> > Robert
>> >>>> >
>> >>>> > in--- In harryproa@yahoogrou ps.com.au, "Rob Denney"
> <harryproa@ ..>
>> >>>> > wrote:
>> >>>> >>
>> >>>> >
>> >>>> >> The plastic outer shell of the bearings are bonded into the
> hull.
>> >>>> > The inner
>> >>>> >> shell is the mast built up to round using epoxy, cab o sil
> and
>> >>>> > graphite and
>> >>>> >> the outer shell as a mould. The tube goes between deck and
> floor to
>> >>>> > keep any
>> >>>> >> water that gets in, out of the hull. Another option is a
> neoprene or
>> >>>> >> fibreglass boot that is attached around the mast and
> diverts water
>> >>>> > away from
>> >>>> >> the hole.
>> >>>> >>
>> >>>> >> regards,
>> >>>> >>
>> >>>> >> rob
>> >>>> >>
>> >>>> >> On Wed, Jun 11, 2008 at 12:39 PM, Doug Haines <doha720@ >
> wrote:
>> >>>> >>
>> >>>> >> > What do the bearings attach to the inside of the tube or
> the mast?
>> >>>> >> >
>> >>>> >> >
>> >>>> >> >
>> >>>> >> > --- On *Tue, 10/6/08, Rob Denney <harryproa@ ..>* wrote:
>> >>>> >> >
>> >>>> >> > From: Rob Denney <harryproa@ ..>
>> >>>> >> > Subject: Re: [harryproa] harry mast tube
>> >>>> >> > To: harryproa@yahoogrou ps.com.au
>> >>>> >> > Date: Tuesday, 10 June, 2008, 12:10 PM
>> >>>> >> >
>> >>>> >> > G'day,
>> >>>> >> >
>> >>>> >> > mast dia at deck level is 165mm, plus 10mm each side for
> the
>> >>>> > bearing, so
>> >>>> >> > the tube is 185mm dia. It can be whatever glass you have
> lying
>> >>>> > round, but
>> >>>> >> > do two layers so it is waterproof. It's only purpose is
> to keep
>> >>>> > water out
>> >>>> >> > of the hull. On El the pipe is also the bearing. You
> could try
>> >>>> > this on
>> >>>> >> > harry, but I suspect it will wear
>> >>>> >> >
>> >>>> >> > regards,
>> >>>> >> > Rob through pretty quickly.
>> >>>> >> >
>> >>>> >> > On Mon, Jun 9, 2008 at 10:04 AM, Doug Haines
> <doha720@yahoo.
>> >>>> > co.uk<doha720@ ...>>
>> >>>> >> > wrote:
>> >>>> >> >
>> >>>> >> >> Hi Rob,
>> >>>> >> >>
>> >>>> >> >>
>> >>>> >> >>
>> >>>> >> >> What is the diameter of the tube in the hull for the
> harry ast?
>> >>>> >> >>
>> >>>> >> >> What cloth covering?
>> >>>> >> >>
>> >>>> >> >> Is the palstic pipe basically the same thing as
> elementarry?
>> >>>> >> >>
>> >>>> >> >>
>> >>>> >> >>
>> >>>> >> >> Doug
>> >>>> >> >>
>> >>>> >> >>
>> >>>> >> >>
>> >>>> >> >> PS maybe I could get you to print the 3DM files (just on
> a4) and
>> >>>> > I 'll
>> >>>> >> >> pick them up.
>> >>>> >> >>
>> >>>> >> >> --- On *Mon, 9/6/08, Rob Denney <harryproa@gmail.
> com<harryproa@
>> >>>> >> >> ...>
>> >>>> >> >> >* wrote:
>> >>>> >> >>
>> >>>> >> >> From: Rob Denney <harryproa@gmail. com <harryproa@ ..>>
>> >>>> >> >> Subject: Re: [harryproa] Re: Trailer proa
>> >>>> >> >> To: harryproa@yahoogrou ps.com.au <harryproa@yahoogro u
> ps.com.au>
>> >>>> >> >>
>> >>>> >> >> Date: Monday, 9 June, 2008, 11:27 AM
>> >>>> >> >>
>> >>>> >> >> G'day,
>> >>>> >> >> The shaft in the rudder is rectangular, the shaft
> through the beam
>> >>>> >> >> is
>> >>>> >> >> square, or else the beam has to be too wide.
>> >>>> >> >>
>> >>>> >> >> Flip over tiller is no problem, but steering with it may
> be as it
>> >>>> > gets
>> >>>> >> >> confusing. Should be a pretty rare occurence, so no big
> deal.
>> >>>> >> >> Not sure that having it over the tramp while sailing is
> a good
>> >>>> > idea, as it
>> >>>> >> >> may get sat on.
>> >>>> >> >>
>> >>>> >> >> regards,
>> >>>> >> >> rob
>> >>>> >> >>
>> >>>> >> >> On Sun, Jun 8, 2008 at 5:10 PM, Robert <cateran1949@
> yahoo.co.
>> >>>> > uk<cateran1949@ ...>>
>> >>>> >> >> wrote:
>> >>>> >> >>
>> >>>> >> >>> Considering loads, wouldn't it be better to make it
> more oblong?
>> >>>> >> >>> Rectangular certainly makes it easier to make straight
> and to
>> >>>> >> >>> attach
>> >>>> >> >>> a rudder shaft compared to round.
>> >>>> >> >>> I prefer this system as the foils can be tucked under
> the beams
>> >>>> >> >>> when
>> >>>> >> >>> going through waves.
>> >>>> >> >>> I was thinking about having the tiller on a horizontal
> pivot so
>> >>>> >> >>> that
>> >>>> >> >>> it can face aft coming and going
>> >>>> >> >>>
>> >>>> >> >>> Robert
>> >>>> >> >>> --- In harryproa@yahoogrou ps.com.au
>> >>>> > <harryproa%40yahoog roups.com. au>,
>> >>>> >> >>> "Rob Denney" <harryproa@ .> wrote:
>> >>>> >> >>> >
>> >>>> >> >>> > G,day,
>> >>>> >> >>> >
>> >>>> >> >>> > The shaft is square, so the line can be lead up
> through a
>> >>>> >> >>> pulley/fairlead
>> >>>> >> >>> > on the front of the rudder shaft and through the bog
> which
>> >>>> > makes it
>> >>>> >> >>> round.
>> >>>> >> >>> > Pull up should not be necessary as drag and buoyancy
> should do
>> >>>> >> >>> > the
>> >>>> >> >>> trick.
>> >>>> >> >>> > May need a line or piece of shock cord to get it
> clear of the
>> >>>> > water.
>> >>>> >> >>> >
>> >>>> >> >>> > Starting to feel a little irritated with myself that
> I spent a
>> >>>> > couple
>> >>>> >> >>> of
>> >>>> >> >>> > grand on engineering for the two pin kick up system!
> KISS!
>> >>>> >> >>> >
>> >>>> >> >>> > Regards,
>> >>>> >> >>> >
>> >>>> >> >>> > Rob
>> >>>> >> >>> > On Sat, Jun 7, 2008 at 6:45 PM, Robert
> <cateran1949@ ...>
>> >>>> >> >>> > wrote:
>> >>>> >> >>> >
>> >>>> >> >>> > > If the shaft was a bit thicker with a hole down the
> centre to
>> >>>> >> >>> allow a
>> >>>> >> >>> > > pull down chord, I can't see any problem having a
> similar
>> >>>> > set up to
>> >>>> >> >>> > > Harriette. If the bearings were above the structure
> of the
>> >>>> > the top
>> >>>> >> >>> > > plate, there would only be a fairly small hole in
> the
>> >>>> >> >>> > > structure.
>> >>>> >> >>> > > I was considering using some polypipe down the
> centre with a
>> >>>> >> >>> > > 90
>> >>>> >> >>> > > degree hard plastic bend added at the point where
> the end of
>> >>>> >> >>> > > the
>> >>>> >> >>> lever
>> >>>> >> >>> > > arm meets the shaft. This should provide a low
> enough
>> >>>> > friction to
>> >>>> >> >>> pull
>> >>>> >> >>> > > the rudder down and it could then be cleated off on
> the
>> >>>> > tiller, or
>> >>>> >> >>> > > even the tiller extension. Kicking up should be
> almost
>> >>>> > automatic.
>> >>>> >> >>> > > It may be possible to have a lift up chord as well,
>> >>>> > providing the
>> >>>> >> >>> > > rudder stayed with tiller steering.
>> >>>> >> >>> > > Robert --- In
>> >>>> >> >>> harryproa@yahoogrou ps.com.au <harryproa%40yahoog
> roups.com. au>
>> >>>> >> >>> <harryproa%40yahoog roups. com.au <http://40yahoogroup
>> >>>> >> >>> s.com.au/>>,
>> >>>> >> >>>
>> >>>> >> >>> > > "Rob Denney"
>> >>>> >> >>> > >
>> >>>> >> >>> > > <harryproa@> wrote:
>> >>>> >> >>> > > >
>> >>>> >> >>> > > > oops, try this one.
>> >>>> >> >>> > > >
>> >>>> >> >>> > > > Robert,
>> >>>> >> >>> > > > Good thinking. Also makes the beams 10% lighter
> (the
>> >>>> > weight will be
>> >>>> >> >>> > > in the
>> >>>> >> >>> > > > hull instead, so no nett gain) so easier to carry
> about. I
>> >>>> > will
>> >>>> >> >>> > > change it
>> >>>> >> >>> > > > when I see how the harriette rudders work and
> whether they
>> >>>> > will
>> >>>> >> >>> work
>> >>>> >> >>> > > on the
>> >>>> >> >>> > > > bigger boat.
>> >>>> >> >>> > > >
>> >>>> >> >>> > > > regards,
>> >>>> >> >>> > > > rob
>> >>>> >> >>> > > >
>> >>>> >> >>> > > > On Sat, Jun 7, 2008 at 10:54 AM,
> captian_rapscallion <
>> >>>> >> >>> > > > captian_rapscallion @> wrote:
>> >>>> >> >>> > > >
>> >>>> >> >>> > > > >
>> >>>> >> >>> > > > > Could I take a look at the Rapscallion doc? it
> seems to
>> >>>> > be the
>> >>>> >> >>> Kate
>> >>>> >> >>> > > > > doc in the folder
>> >>>> >> >>> > > > >
>> >>>> >> >>> > > > > --- In harryproa@yahoogrou
>> >>>> > ps.com.au<harryproa %40yahoogroups. com.au>
>> >>>> >> >>> <harryproa%40yahoog roups. com.au <http://40yahoogroup
>> >>>> >> >>> s.com.au/>>
>> >>>> >> >>> > > <harryproa%40yahoog roups. com.au
>> >>>> > <http://40yahoogroup s.com.au/>>,
>> >>>> >> >>> "Rob
>> >>>> >> >>> > >
>> >>>> >> >>> > > > > Denney" <harryproa@> wrote:
>> >>>> >> >>> > > > > >
>> >>>> >> >>> > > > > > G'day,
>> >>>> >> >>> > > > > >
>> >>>> >> >>> > > > > > Trailer proa renderings are in the Files
> section under
>> >>>> > Maxi
>> >>>> >> >>> Trailer
>> >>>> >> >>> > > > > sailor
>> >>>> >> >>> > > > > >
>> >>>> >> >>> > > > > > 'The ultimate trailer sailor/racer cruiser'
> is the
>> >>>> >> >>> requirement for
>> >>>> >> >>> > > > > > this boat. As fast as possible, with standing
>> >>>> > headroom, minimal
>> >>>> >> >>> > > > > > galley, double bunk and a toilet. Trailering
> is mostly
>> >>>> > for the
>> >>>> >> >>> 5
>> >>>> >> >>> > > > > > mile trip from home to ramp, but occasionally
> further
>> >>>> > afield.
>> >>>> >> >>> > > > > >
>> >>>> >> >>> > > > > > Windward hull is 7m.24', leeward hull 12m/40'
>> >>>> >> >>> > > > > >
>> >>>> >> >>> > > > > > The boat is 6m/20' wide in sailing trim, but
> telescopes
>> >>>> >> >>> > > > > > to
>> >>>> >> >>> 3.7/12'4"
>> >>>> >> >>> > > > > > wide for marinas and 2m/6'8" wide on the
> trailer. This
>> >>>> >> >>> > > > > > is
>> >>>> >> >>> easily
>> >>>> >> >>> > > done
>> >>>> >> >>> > > > > > with composite beams. The mast and boom
> travel in
>> >>>> > cradles on
>> >>>> >> >>> the lw
>> >>>> >> >>> > > > > > hull deck, the beams under the cockpit. The
> trampoline
>> >>>> > is in
>> >>>> >> >>> two
>> >>>> >> >>> > > > > > pieces split fore and aft. Each piece has a
> 25mm dia
>> >>>> > carbon
>> >>>> >> >>> or alloy
>> >>>> >> >>> > > > > > tube sitting in hooks on the hull and the
> beams. In the
>> >>>> >> >>> middle is a
>> >>>> >> >>> > > > > > thicker tube for each piece. When telescoping
> for
>> >>>> >> >>> > > > > > marina
>> >>>> >> >>> use, the
>> >>>> >> >>> > > > > > lee hull tramp is lifted out of it's hooks
> and as the
>> >>>> > hulls
>> >>>> >> >>> slide
>> >>>> >> >>> > > > > > together it slides over the windward tramp,
> so you can
>> >>>> > still
>> >>>> >> >>> walk
>> >>>> >> >>> > > > > > across to the other hull. For light air
> races, it can
>> >>>> >> >>> > > > > > also
>> >>>> >> >>> be sailed
>> >>>> >> >>> > > > > > like this. For trailering, the tramps and the
>> >>>> >> >>> > > > > > telescoped
>> >>>> >> >>> beams are
>> >>>> >> >>> > > > > > quickly and easily removed and stored under
> the the
>> >>>> > cockpit.
>> >>>> >> >>> > > > > >
>> >>>> >> >>> > > > > > The mast is telescoped to 9.2m for
> stepping/unstepping
>> >>>> > . A 5m
>> >>>> >> >>> long
>> >>>> >> >>> > > > > > pole, with a 4;1 blocjk and tackle on one end
> is
>> >>>> > inserted into
>> >>>> >> >>> a
>> >>>> >> >>> > > hole
>> >>>> >> >>> > > > > > in the deck next to the mast. The heel sits
> in a cup
>> >>>> > next to
>> >>>> >> >>> the
>> >>>> >> >>> > > mast
>> >>>> >> >>> > > > > > step. The blocks are tied around the mast at
> it's
>> >>>> > centre of
>> >>>> >> >>> gravity
>> >>>> >> >>> > > > > > approx 3.7m from the base and it is lifted up
> until
>> >>>> > the heel is
>> >>>> >> >>> > > above
>> >>>> >> >>> > > > > > the deck, then guided into the top bearing
> and lowered
>> >>>> > into
>> >>>> >> >>> place.
>> >>>> >> >>> > > > > > Unstepping is the opposite. Very quick and
> very safe.
>> >>>> >> >>> > > > > >
>> >>>> >> >>> > > > > > The reefing drawing shows sail areas incl
> mast of of 47
>> >>>> >> >>> sqm/505 sq',
>> >>>> >> >>> > > > > > 35 sqm/376 sq' and 22 sq m/236 sq m. Storm
> sail is 2
>> >>>> > sq m/22.5
>> >>>> >> >>> > > sq' of
>> >>>> >> >>> > > > > > mast. Lots of sail up high for the light
> stuff, no drag
>> >>>> >> >>> > > > > > or
>> >>>> >> >>> weight up
>> >>>> >> >>> > > > > > high for the heavy.
>> >>>> >> >>> > > > > >
>> >>>> >> >>> > > > > > Weight in sailing trim is 420 kgs and the
> payload 330
>> >>>> >> >>> kgs/726 lbs.
>> >>>> >> >>> > > > > > Overload could be as much again without it
> affecting
>> >>>> > anything
>> >>>> >> >>> > > but the
>> >>>> >> >>> > > > > > speed.
>> >>>> >> >>> > > > > >
>> >>>> >> >>> > > > > > Construction method for the hulls is
> partially glassed
>> >>>> >> >>> panels joined
>> >>>> >> >>> > > > > > and compounded, with flat panels for the rest.
>> >>>> >> >>> > > > > >
>> >>>> >> >>> > > > > > Bruce number empty is 2.34. With normal
> payload, 1.9.
>> >>>> >> >>> > > > > > Hull
>> >>>> >> >>> flying
>> >>>> >> >>> > > > > > wind speed 10 knots, lower with the crew
> sitting to
>> >>>> > leeward.
>> >>>> >> >>> > > > > >
>> >>>> >> >>> > > > > > Inside the ww hull is a double bunk at one
> end and the
>> >>>> >> >>> galley and
>> >>>> >> >>> > > > > > toilet at the other. The galley space is
> large, but
>> >>>> > not all
>> >>>> >> >>> of it is
>> >>>> >> >>> > > > > > accessible. It will probably end up being
> accessed
>> >>>> > through a
>> >>>> >> >>> deck
>> >>>> >> >>> > > > > > hatch and used for storing fenders, etc.
>> >>>> >> >>> > > > > >
>> >>>> >> >>> > > > > > The cockpit is sheltered with a folding pram
> hood
>> >>>> > which will
>> >>>> >> >>> ensure
>> >>>> >> >>> > > > > dry sailing.
>> >>>> >> >>> > > > > >
>> >>>> >> >>> > > > > > The rudders could not be mounted on the
> telescoping
>> >>>> >> >>> > > > > > beams,
>> >>>> >> >>> so are in
>> >>>> >> >>> > > > > > daggercases in the hull. Rather than use long
> tiller
>> >>>> >> >>> extensions,
>> >>>> >> >>> > > > > > there is a short athwartships tiller (magenta
> in the
>> >>>> >> >>> renderings)
>> >>>> >> >>> > > with
>> >>>> >> >>> > > > > > an extension (green) attached to the tiller
> and a car
>> >>>> >> >>> > > > > > on
>> >>>> >> >>> > > > > > a
>> >>>> >> >>> track on
>> >>>> >> >>> > > > > > the deck. The car is pulled fore and aft by
> lines
>> >>>> > running to
>> >>>> >> >>> > > > > > whipstaffs (vertical tillers, red) on the
> leeward end
>> >>>> > of the
>> >>>> >> >>> > > cockpits.
>> >>>> >> >>> > > > > > The lines are cleated on the whipstaffs so
> can be
>> >>>> > released and
>> >>>> >> >>> > > easily
>> >>>> >> >>> > > > > > replaced and retightened when the rudders are
> lifted
>> >>>> >> >>> > > > > > and
>> >>>> >> >>> lowered.
>> >>>> >> >>> > > > > > This is a far easier system than wheel
> steering where
>> >>>> >> >>> > > > > > the
>> >>>> >> >>> lines must
>> >>>> >> >>> > > > > > be released off the quadrants to raise the
> rudders.
>> >>>> >> >>> > > > > >
>> >>>> >> >>> > > > > > Comments, suggestions, criticisms welcome.
>> >>>> >> >>> > > > > >
>> >>>> >> >>> > > > >
>> >>>> >> >>> > > > >
>> >>>> >> >>> > > > >
>> >>>> >> >>> > > >
>> >>>> >> >>> > >
>> >>>> >> >>> > >
>> >>>> >> >>> > >
>> >>>> >> >>> >
>> >>>> >> >>>
>> >>>> >> >>>
>> >>>> >> >>
>> >>>> >> >> ------------ --------- ---------
>> >>>> >> >> Sent from Yahoo!
>> >>>> > Mail<http://us.rd. yahoo.com/ mailuk/taglines/ isp/control/
>> >>>> > *http://us.
>> >>>> > rd.yahoo. com/evt=52418/ *http://uk. docs.yahoo.
> com/nowyoucan. html>.
>> >>>> >> >>
>> >>>> >> >> A Smarter Email.
>> >>>> >> >>
>> >>>> >> >
>> >>>> >> >
>> >>>> >> > ------------ --------- ---------
>> >>>> >> > Sent from Yahoo!
>> >>>> > Mail<http://us.rd. yahoo.com/ mailuk/taglines/ isp/control/
>> >>>> > *http://us.
>> >>>> > rd.yahoo. com/evt=52418/ *http://uk. docs.yahoo.
> com/nowyoucan. html>.
>> >>>> >> >
>> >>>> >> > A Smarter Email.
>> >>>> >> >
>> >>>> >> >
>> >>>> >>
>> >>>> >
>> >>>> >
>> >>>>
>> >>>> ____________ _________ _________ __
>> >>>> Sent from Yahoo! Mail.
>> >>>> A Smarter Email.
>> >>>
>> >>> ____________ _________ _________ __
>> >>> Sent from Yahoo! Mail.
>> >>> A Smarter Email.
>> >>>
>> >>
>> >> ____________ _________ _________ __
>> >> Sent from Yahoo! Mail.
>> >> A Smarter Email.
>> >>
>> >
>> > ________________________________
>> > Sent from Yahoo! Mail.
>> > A Smarter Email.
>> >
>>
>
>

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