Page 67: of Maritime Reporter Magazine (November 1998)

Halter Delivers Second SDM

Halter Marine Group has deliv- ered St. Johns, the second in a series of three revolutionary Ship

Docking Modules (SDM) to Hvide

Marine, Inc. Now in service at

Tampa Bay, Fla., the vessel follows the first Halter-built SDM, New

River.

The patented 90 x 50 ft. (27 x 15 m) SDM design, which requires only two crew members to operate, was conceived by Erik Hvide, chairman and president of Hvide

Marine, Inc., and refined by the

Elliott Bay Design Group.

The double-ended, 4,000 hp har- bor tug has skegs mounted on each end, featuring Z-drives mounted forward and aft and offset 6.5 ft.

MetalCraft Marine Delivers

Vessels To U.S. Park Service from the center to provide 100 per- cent of its bollard pull in any direc- tion. It can move sideways with a maximum draft of 16.2 ft. (5 m), or just 5.2 ft. (1.6 m) on the hull and 11 ft. (3.4 m) on the skegs.

Two Caterpillar 3516BTA diesel engines, developing a total of 4,000 hp at 1,600 rpm power St. Johns.

They turn the Z-drives with 86 in. diameter propellers in nozzles.

Maximum speed is 11.5 knots, with a service speed of nine knots.

The ship's service power is pro- vided by two 75 kW Detroit Diesel 4-71 generator sets. A Markey

DYSF-39 hawser winch is located on the deck and a 3,000 gpm remote-controlled fire monitor is mounted atop the pilot house.

Protecting the saucer-shaped SDM is a 45,000 lbs. Schuyler model

SR3D fender system.

Circle 14 on Reader Service Card

The U.S. National Park Service has taken delivery of two welded aluminum Bullnose-model high- speed landing craft barges from

MetalCraft Marine Inc. of

Kingston, Ontario, Canada.

The 24-ft. (7 m) and 27-ft. (8 m) vessels, both 9.5 ft. (3 m) wide, were manufactured by MetalCraft

Marine Group member Stanley

Custom of Parry Sound Ontario.

Propulsion installation and interi- or finishing were done at

MetalCraft's Small Craft Division in Kingston. The barges will be used for general transportation and maintenance on Lake Powell, the reservoir on the Colorado River upstream from Glen Canyon Dam.

Both barges are powered by

MerCruiser 350 Magnum EFI engines with Multi-Point Injection putting out 350 hp through Alpha drive legs. The 24-ft. (7 m)

Bullnose achieved a top speed of 44 mph light.

Circle 38 on Reader Service Card

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Circle 229 on Reader Service Card 67