Page 42: of Marine News Magazine (February 2023)
Power & Propulsion
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Vessels
Hayden Grace ert Allan Ltd. ordered by Bay Houston. The design team and the client worked to address operational challenges the vessel would face. Main features of this latest RApport de- sign include compact size and shallow draft allowing it to operate in more con? ned waterways than previous Z-Tech vessels, as well as a special styled deckhouse. The custom- ized general layout of the tug features a Master and Chief
Engineer’s cabin, along with the galley and mess, located on the main deck, while two cabins for four crew members are located on the lower deck.
The main propulsion for the tug comprises a pair of Cat-
Robert Allan Ltd.
erpillar 3512E, EPA Tier 4 certi? ed diesel engines, each rated 2,213 bHP at 1,600 rpm, and driving a Schottel SRP
Coden, Ala. shipbuilder Master Boat Builders has deliv- ered the new tug Hayden Grace to Bay Houston Towing 430FP Z-drive unit with Ø2200 propeller. The electrical plant consists of two identical John Deere 4045AFM85
Co. for operations in Galveston, Texas.
The new 85-foot-long vessel is the ? rst in a series of diesel gensets, each with a power output of 99 ekW 480V, 3-Phase, 60 Hz.
three RApport 2600 tug designed by Canadian ? rm Rob-
Texas City
The Galveston-Texas City Pilots has taken delivery of
Texas City, its fourth pilot boat from Gladding-Hearn
Shipbuilding, Duclos Corporation. The new launch is equipped with a Seakeeper 30HD stabilizing gyro, which, according to shipyard of? cials, will reduce up to 80% the vessel’s roll.
With a length overall of 73.2’, beam of 23.3’ and draft of 5.9’, the all-aluminum, high-speed pilot boat features the Ray Hunt Design deep-V hull. It is powered by three
Volvo Penta D13, EPA Tier 3 marine diesel engines, each delivering 800 Bhp at 2,300 rpm, and integral to the en- gines’ triple IPS-Pod 1050 system. Top speed is over 33
Gladding-Hearn Shipbuilding knots and runs 30 knots at 80% power. The vessel will burn 30% less fuel than the pilots’ existing 70-foot pilot Coordinated Turn and Automatic Trim Optimization, are installed at the transom to automatically optimize the boats at the same speed, explained Peter Duclos, the ship- vessels running trim, and actively reduce pitch and roll at yard’s co-president.
Humphree interceptors, with Active Ride Control and speed above 15 knots.
42 | MN February 2023