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Sails for the Pella rowing boat

Sails for the Pella rowing boat Equipping the plastic rowing boat Pella with sails (description of the boat see here), I did not seek to turn it into a mini-yacht (a variant of converting a boat into a mini-yacht see here). I wanted to have a simple, easily retractable means of movement that could be used during the seasonal ban on swimming under the motor and at the same time preserve the convenience of the boat for amateur fishing. Therefore, I preferred the option of rigging a rake mainsail with a staysail and jib, i.e. luger tender type armament. To counteract the drift, I installed a shaft with a well, which practically does not create inconveniences when operating the boat, both under the motor and on the oars.

I am the owner of the first-issue Pella, which has sharp hull contours and a high freeboard. Despite the roll sensitivity to heeling loads in the initial roll period the boat is stable enough to carry a small sail. To increase the rigidity of the sides, the flange-gunwale was reinforced with an ashlar beam with a section of 20x45 and a length of 2000 mm, bolted. For the same purpose, wide (300 mm) medium banks were installed, rigidly connected to the hull of the boat.

Basic data of the boat after equipping with sails
Longest length, m 4,1
Overall length (with bowsprit and rudder), m 5,04
KVL length (without steering wheel), m 3,7
Maximum width, m 1,4
Side height amidships, m 0,57
Draft by hull/shvert, m 0,25/0,78
Mast height from spur, m 4,1
Sail area, m 8,6

Sailing armament of the boat Pella

Sailing armament of the boat Pella
1 boom, max. Ø40 mm; 2 mainsail S=5.4 m; 3 weather vane; 4 rail, max. Ø40 mm; 5 mainsail pulley; 6 jib pulleys and staysails; 7 rax-bugle; 8 mast; 9 jib S=1.2 m; 10 staysail S=2.0 m; 11 bowsprit; 12 water-staff; 13 partners, oak; 14 steps, oak; 15 shvertovy well; 16 shvert, duralumin δ=8; 17 shrouds; 18 gunwale; 19 boom-sheet; 20 rudder.

All parts of the mast are made of spruce. The glued mast consists of two parts connected by means of a 250 mm long stainless steel coupling. The maximum diameter of the mast is 55 mm, at the top 35 mm. The mast is installed in oak steps through the partners and is loosened by steel shrouds with a diameter of 4 mm with cable lanyards. The stem serves as the liktros of the front cabinet of the staysail, which is stuffed with a staysail halyard. The removable bowsprit, on which the jib is placed, is attached to a bracket on the bow bank and a steel water staff to the stem. The jib is used mainly in weak (up to 5 m/s) winds.

Geek swivel
Boom swivel
1 boom; 2 cheek; 3 bolt M6; 4 transverse axis bolt M8; 5 cracker, textolite; 6 nagel; 7 bracket; 8 mast; 9 duck; 10 bolt M6.

The sails are sewn from synthetic fabric. The mainsail is lifted by means of a halyard and a rax-hook sliding along the mast.

The shaft well is made of bakelized plywood with a thickness of 7 mm and oak bars bonded with epoxy glue and brass screws. The base of the well is attached to the hull of the boat using epoxy glue with fiberglass gaskets and through bottom bolts with a diameter of 8 mm with a semicircular enlarged head. To increase the rigidity, the well is connected to the middle banks with oak bars with a cross section of 40X40 mm.

Pella boat mooring device

Pella boat mooring device
1 feed jar; 2.9 M6 bolts; 3 cover, backfans; 4 screw; 5 shaft pulleys for lifting the shaft; 6 shaft; 7 upper beam, 40x40x1000; 8 end seal, oak, 12x20x330; 10 well wall; 11 bottom beam, 40x50x1000; 12 M8 bolts; 13 4x30 screws; 14 screw axis; 15 spacer sleeve; 16 insert 7x35x1000; 17 limiter with spacer sleeve; 18 keel box (standard); 19 axis-rivet.

The duralumin sheet screw has a width of 320 mm with a length of the retractable part of 525 mm. The axis a bolt with a diameter of 10 mm is located in the area of the standard keel, reinforced with longitudinal inserts from the backfanner. The well has built-in pulleys for the shaft, with which the shaft can be removed into the well. The shaft is lowered under the influence of its own weight. The steering device is mounted on the clamp of the outboard motor "Salyut". The 600X300 mm handlebar feather is cut from bakelized plywood with a thickness of 10 mm.

The weight of all equipment and accessories does not exceed 20 kg. The boat Pella with the described sailing armament has been successfully operated for three seasons in the conditions of the Finnish and Vyborg Bays under various weather conditions. It is easy to operate, convenient and safe. With winds up to 5 m/s, as a rule, full sailing armament is used, with winds of 5-10 m/s mainsail and staysail. With stronger winds, the area of the mainsail is reduced by winding the canvas of the sail on the boom. In the storm version, a staysail is placed instead of the mainsail, and a jib is placed instead of the staysail.

The boat is well centered and practically does not require constant steering, satisfactorily goes into maneuvering with an angle of about 90, obeys the steering well and easily performs an overstay turn even in a weak wind. When using sails and the outboard motor Sputnik together, the boat goes to the wind at an angle of 35-40 to the wind.

The maximum speed under sail 5.1 knots was achieved with a wind of 10-12 m/s on the backstay gulfwind courses with two passengers on board and a cargo of about 150 kg.

Boat projects for self-construction

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