Page 89: of Maritime Reporter Magazine (October 1998)

FISH EXPO

Lobster Boats to Feature

Cummins Diesel

Two 45-ft. fiberglass Cape

Island lobster boats will be the first vessels with Cummins' new

N14-M marine diesel for Nova

Scotian waters. Based in Pubnico

Harbour near the southern tip of the province, their size (20-ft. beam) is somewhat determined by

Nova Scotia's lobster fishery that limits each boat to 375 pots. "I had 375 pots on the new boat on Dumping Day," says Bertie d'Entremont, owner of King

Eider, "On my old 40-ft. x 17-ft boat I could only haul 220 pots so it took two trips on opening day."

Mr. d'Entremont can come close to the new boat's 11-knot hull speed at 1,800 rpm, but makes a com- fortable, fuel efficient 9.5 knots at 1,650 rpm. He matched his 440 hp

Cummins N14-M to a Twin Disc

MG 5114 reduction gear with a 3:1 ratio and a 42 x 34-in. prop. "I wasn't sure if I was going to go dragging with this boat so I kept the ratio lower," he explained. "When you go with too big a reduc- tion and wheel, it's harder to work on your lobster gear. When you put it into gear she'll jump too fast and you won't be able to steer it on your gear as easy. With 3:1 you can steer well but you are limited on your towing power if you want to go dragging groundfish."

Lloyd Cleveland is putting an

N14-M in the same sized boat, but opted for an Advance 4:1 gear and a larger 52 x 35-in. wheel. This will give him that extra bollard pull for dragging while still allow- ing adequate control when work- ing lobster pots. Mr. Lloyd has another boat, Rough and Wild, that does only dragging. It has a 350 hp Cummins 855, the prede- cessor of the N14-M, with a 5:1 reduction and a kort nozzle. "But the nozzle won't allow your boat to turn sharp. On the dragger we have now with the 855 and noz- zle we tested 12,200 lbs. bollard pull. According to the computer print out the new boat, with 90 more hp and smaller reduction we're looking for around 11,000 pounds. So she is going to pull nearly as much as what we get with the nozzle." The N14-M main engine in Mr. Cleveland's boat is equipped with Cummins' optional

Prelube starter. This system, the first of its kind on a higher horse- power Cummins diesel, prevents dry starts after lay up or oil change by automatically filling filters and all oil passages prior to cranking.

Wahl Launches Crab Boat

Following its highly successful

Cummins N14-powered, 98-ft.

Vixen launched earlier this year,

Fred Wahl Marine Construction,

Inc. is preparing for sea trials on the firm's latest vessel, the Sandra

Five. With Vixen back from the

Alaskan crab grounds and along- side at the yard rigging for tuna, the larger 113.4 x 31-ft. Sandra

Five will be equipped as a salmon tender and crabber.Designed by

Seattle naval architect Hal

Hockema, she has a molded depth to the main deck of 11 ft. and a dis- placement on the summer load line of 662.76 It. For the bigger boat,

Fred Wahl went up five liters in engine volume to a pair of

Cummins KTA19-M marine engines rated at 500 hp at 1,800 rpm. The engines, supplied by

Curry Marine of Newport Ore., drive through Twin Disc gears.

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APPROVAL

PROGRAM ProMar,LLC / 115 Industrial Blvd./ P.O. Box 307/ Kearneysville.WV 25430-0307/ (304) 728-8868 97NN8612 (800) 849-6025 / Fax: (304) 728-8870 / E-Mail: [email protected]

Circle 309 on Reader Service Card

October, 1998 89