Boat

31 Янв 2014 | Author: | No comments yet »

The hull is based on a George Buehler design. The keel is douglas fir 12 inches x 12 inches and about 36 feet long. The floor timbers are douglas fir. They are three and a half inches thick and 10 inches high on 2 foot centers. They are fastened with one three quarter inch bolt to the keel and 3 one half inch galvanized bolts to the frames on each side. The frames and bottom planking are 2 x 6 yellow pine fastened together with 4 #18 galvanized flat head wood screws. The chine is 3x 6 oak bolted to the frames with 3/4 bolts. The top and bottom frames are joined together with 1 plywood, on the forward and aft faces, through bolted with 3/8 galvanized bolts. The side planking is 1 1/4 thick yellow pine and fastened to the frames with 3 bronze screws. The deck and cabin top are two layers of 3/4 plywood. The bottom layer is MDO (medium density overlay) board used for exterior signs and the top layer is exterior grade plywood with the good side up. Both layers are fastened through to the deck beams with 3 1/2 galvanized screws. The layers themselves are fastened together between deck beams with 1 3/8 galvanized sheet rock screws, and covered with dynel and epoxy. The interior is pine bead board over 3/4 plywood.

Ballast

12 inch x 30 inch by 22 feet of concrete ( portland cement, sand and stone 1:2:3 ) and railroad track weighing approx. 12,000 lbs. The railroad track is trapped between pairs of keel bolts. Trim ballast will be lead placed inside the hull.

Main Mast

9 dia. 42′ long made up of 6 — 1 inch laminations of Douglas Fir glued with West Epoxy. Scarfs in the laminations are 12 long. The laminations were coated with epoxy resin and then immediately covered with a mixture of epoxy and linen fiber spread with a 3/16 notched trowel. Then they were clamped together every 12. Once shaped and sanded, they were coated with 12 coats of spar varnish.

Spars

1 1/2 inch laminations of Douglas Fir with the same treatment as the mast.

Rigging Hardware

Custom designed hot dipped galvanized steel, fabricated by a local blacksmith Gerry Galuza and Fournier Steel Fabrication.

Rigging wire

1×19 3/8 316 stainless steel standing rigging.

Windy 42 Bora boat

Sta-Lok terminal ends.

Running Rigging Blocks

Hand made rope stropped locust blocks. The sheaves are from A. Dauphinee in Nova Scotia.

Lines

Sheets and halyards 5/8 and 1/2 three strand Spun Dacron.

Six sails: main, staysail, jib, outer jib, topsail and spinnaker. They total about 1,000 square feet of 10 oz. Dacron and were made by Lee Sails.

Propulsion

Westerbeke 63C 60hp with a 2.7:1 Hurth reduction gear from Hanson Marine. The propeller shaft 1 1/2 (Aquamet 22) and the bronze propeller is 19dia.x14 pitch three blade MP (machine pitch) from HH Propeller Salem Mass. There is a traditional stuffing box on the inside of the hull and a rubber bushed cutless bearing on the outside.

Muffler

Hydro-Hush 3 hoizontal

Fuel tanks

3 — 50 gallon Tempo diesel tanks.

Fuel filters

RCM fuel purifier. This device uses the high pressure fuel supply to create a centrifuge which collects particles and water. It has no filter that needs to be replaced.

Racor 500 is installed down stream. With any luck I won’t have to replace filters very often!

Charging system

160 amp AmpTech alternator controlled by a Life Line regulator. It can be switched to charge separate banks of batteries. It is important to remember that many alternator outputs are rated for high rpms. That means that with low amp alternators you have to run the engine at high rpms to get high amperage to the charging system.

We will have a 60 amp automobile alternator for backup.

Windy 42 Bora boat

Wind Baron (NOT WIND BUGGER!) 60 inch diameter three bladed wind generator which puts out 60 amps max and is rated for 90 knots of wind. As wind speed increases the whole generator tilts back. This system can also be switched to charge two separate banks of batteries. The generator came to my attention in Nigel Calders book: Boatowner’s Mechanical and Electrical Manual. The mast will be able to tilt to the deck for repairs to the generator. I’m considering some form of mechanical way of controlling the generator direction. While shorting out the output wires can stop generators, this only works up to about 30 knots. After that they can’t be stopped. If I could change the direction of the generator, I could get the blades stopped at any wind speed.

Batteries

4-8D Life Line AGM (absorbed glass mat) for a total of 1,020 amp hours which are divided into two separate banks. These batteries are the latest technology and are used on Jet aircraft. They do not vent, so can be mounted in any position. Under extreme testing, they could not be made to explode. Unlike Gel cells, they take a charge like normal lead acid batteries (fast). They also do not self-discharge.


Electrical Panel

Newmar 22 circuit panel with breakers.

6 circut AC panel with breakers

Windy 42 Bora boat

Inverter

Stat Power ProSine 1800 watt 12volt to 110volt AC

Lighting

Kerosene and electric (halogen) lights.

Refrigeration

Single plate Sea-Frost engine driven and 110v shore assist (to be run off the inverter). I have had excellent results with Sea-Frost systems over the years. The shore assist will help keep our engine running time to a minimum when the wind generator can be used. Who wants to heat up their boat in the tropics!

We have one 50gal. tank, one 30 gal. tank, 2-5gal portable containers and a 12 gallon Super Stor water heater. This will give us 102 gallons of water storage. The water heater will run off the engine and the excess output of the wind generator (with converted elements that use 12v DC). We also have a Spectra water maker. It was a tough decision. Water makers are expensive! We spent less on our sails then we did on the water maker. They are also HIGH maintenance. It has to be run at least every three days or it has to be pickled. The pickling process is complicated. We chose the Spectra because it is the most efficient. It makes 9 gallons an hour drawing only 1 amp per gallon. Most other systems use a series of pumps and gear boxes to create the high pressure necessary to force water through the membrane. The Spectra uses a low pressure water pump to drive a piston which creates the high pressure for the membrane. We’ll see how this all works out.

Outboard rudder with a custom designed. wind driven, self steering vane. It works on the trim tab principal similar to what you would find on airplanes. For an auto-pilot we use a Tiller Master attached to the trim tab. This allows a low voltage draw system for self-steering when motoring.

Ground Tackle

1-45lb CQR

1-60lb CQR

1-Fortress FX55 Danforth

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