Could I take a look at the Rapscallion doc? it seems to be the Kate
doc in the folder

--- In harryproa@yahoogroups.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.
>