Some basic information about Abeltje.
She is a "TOP HAT Mark 1"
For the "Tophat Association: see http://www.tophatyachts.com/
Mark 1 Top Hat.
Baker built Mark 1's.
Baker came from Royal Brighton Yacht Club in Melbourne to run Fibreglass Yachts in NSW. The Mark 1's were built from around 1969-73 (although exact dates are hard to pinpoint) and had a hand laid up Glass-reinforced plastic hull and are therefore considered to be a little stronger than the latter models.
The Mark 1's did not have a sliding hatch above the companionway as did the timber models (Mark 0) but had a "key-hole" entry (semi elliptical shaped cabin top above companionway). Above the companionway sat the main sheet traveller, initially which were a raised stainless steel tube following the contour of the cabin, while the latter ones were a conventional horizontal traveller.
The cabin profile had a step down to the mast the main sheet winches mounted on steel struts and sometimes had a double spreader rig.
For accommodation the original standard timber boat had four berths, a centrally located galley and a large chart table as Illingworth placed great importance on the role of the navigator, whilst with many of the Mark 1's the interior layout was often left up to the individual. However, some were built with an enclosed head, vee-berths forward, central galley and settee berths port and starboard.
Fibreglass Yachts became Formit Fibreglass in Wyong and produce the Mark 2 and 3, the 27' and the so called 31' and 32' Top Hats. The following is how Fibreglass Yachts advertised the Mark 1 Top Hat.
TOP HAT ~ An outstanding yacht in every way.
FIBREGLASS YACHTS (SALES) PTY. L TD.
9 Perak Street, MONA VALE, N.S.W., 2103 Phone: 997 -6289
A thoroughbred offshore Cruising/Racing Yacht, the Top Hat utilizes the highest standards of construction in Fibreglass, to the specifications of the designers Illingworth & Primrose.
The Top Hat's proven performance, ease of handling and amazing interior accommodation make her an ideal yacht for family cruising.
Depreciation is practically eliminated in a well-designed boat of fibreglass construction. Completely impervious to the ravages of rot, rust, corrosion, electrolysis, water absorption and marine borers.
MAINTENANCE SAVINGS. This is a vital factor in a yacht of this size. The savings grow with the length of ownership, as permanent, moulded-in colours and seam-free hull minimize annual painting, scraping, caulking and other annual yard bills. For the racing sailor, the Top Hat has an excellent record and with her short overhangs, well-designed hull form and "stiffness" has proved to be an outstanding performer in both round the buoys and offshore racing.
STANDARD SPECIFICATIONS .
HULL. Round Bilge, constructed completely of fibreglass, with 2,500 Ib. of lead ballast moulded within the keel section. This gives the advantage of tremendous strength and avoids any possibility of leaks occurring through keel bolts.
CABIN, DECK AND COCKPIT. Moulded in fibreglass, chemically bonded and riveted to the hull, thus making a single integral unit of great strength. No leaks can occur through cabin top or deck and the boat is always dry.
COLOURS. Selected colours are "moulded in" to ensure enduring appearance.
ACCOMMODATION. Interior appointments are both pleasing and functional. Full standing headroom, 2 settee berths in the main cabin, 2 full-length berths in the forward cabin, a well-equipped galley with sto.ve, stainless steel sink and fresh water pump, storage cupboards and a cutlery drawer .
TOILET. The marine toilet is contained within a separate cabin. Sea cocks are fitted to all external openings, ensuring complete safety from leaks in the event of a pipe breaking.
FRESH WATER TANK. Located in the keel section, with a capacity of 35 gallons, lined with epoxy resin, and inspection hatch provided.
VENTILATION. The forward cabin hatch cover is hinged and has a waterproof vent to provide fresh air movement through the cabin when closed. The cabin door is also ventilated, ensuring movement of air through the boat when moored.
COCKPIT. Self-draining and can comfortably seat six. Each seat incorporates a large locker sealed from the hull interior. Main hatchway is fitted with lockable fibreglass door.
ANTI-SKID. All deck areas and the cockpit sole have anti-skid pattern moulded in.
CHAIN PLATES. Eight stainless steel chain plates are bolted through the deck in areas specially reinforced to distribute the loads.
MAST HEAD RIG. This gives the yacht a wide choice of headsails for optimum performance and balance under a wide variety of wind and sea conditions. The Alloy Mast is stepped on deck, giving unhindered access to the forward cabin.
STANDARD RIGGING. 1 x 19 Stainless Steel with swaged terminals.
RUNNING RIGGING. 7 x 19 Stainless Steel with synthetic rope tails. Synthetic Jib and Main Sheets.
DECK FITTINGS. Two Jib Sheet winches and cleats. Jib sheet slides on stainless steel tracks. Stem head fitting with mooring line roller. Bow fairleads. Anchor line pipe through deck. Bow mooring cleat. Main sheet eye.
RUDDER. Timber completely covered with fibreglass, stainless steel stock with swivelling tiller .
Inboard engine - Bukh 10HP.
L.O.A., 25' 0" 7.62 m.
L.W.L., 20' 6" 6.25 m.
Beam, 8' 0" 2.44 m.
Draft, 4' 3" 1.29 m.
Displacement, 2.54 tons. 2,580 kg.
Ballast, 2,500 lb. 1,234 kg.
Ballast Ratio, 40%
Water, 35 gallons. 159 lts.
Sail Area, 286 sq. ft. 26.6 m2.
Hull Speed, 6.03 knots.
Handicap, 580 - 640.
Air draft: 10.70m
Formula used to calculate the theoretical maximum hull speed, (6.03 knots):
Maximum Hull Speed = 1.34 * LWL1/2
LWL: Boat Length at Water Line
The values determined from this calculator should be used for educational purposes only. This calculator should not be used in determining the suitability of purchase, charter or passage on a boat. Instead the manufacturer should be contacted to obtain the boat's characteristics.
Adapted From: Rousmaniere, John The Annapolis Book of Seamanship Boat Selection. Chapter 1 p35 Simon & Schuster, New York, New York.
Nautical & Sailing Terms