May 15, 1981

Table of Contents

1. Propellers '81 — A Preview — Virginia Beach, May 26-27

   SNAME's Propellers '81 symposium, the third in the series, will present 24 papers on propeller hydrodynamics, ice operation, small craft, vibration and shafting at the Cavalier Hotel, Virginia Beach, May 26-27.

   p. 22

2. B&W Delivers Second Panamax Bulker—14 More On Order

   Burmeister & Wain of Copenhagen has delivered the 64,000-dwt Panamax bulk carrier Hydrolock to Stanhurst Shipping of the Wheelock Marden Group, which has ordered four more; 16 of the fuel-efficient design have now been ordered.

   p. 14

3. GM-Powered Towboat 'Jeanie-K' Delivered By Riverway Shipyard

   Riverway Shipyard Company of Grafton, Ill., has completed the 1,200-bhp towboat Jeanie-K for Riverway Harbor Service of New Orleans, describing her machinery, electronics and outfit in detail.

   p. 42

4. New Lifting Technique Lowers Costs In Construction Of Drilling Rigs

   Hydranautics, Inc. has announced a multipurpose hydraulic lifting technique used successfully by Chicago Bridge & Iron to raise a 1,050-ton deck section 100 feet in under eight hours during construction of a semisubmersible rig for World Drilling Company.

   p. 20

5. Wronowski Fleet Adds First Boat With Cummins KTA-3067M Engines

   The 90-foot, 300-ton tug Paul A. Wronowski, built by Thames Shipyard in New London, is the first U.S. boat powered by Cummins KTA-3067M engines and will service the U.S. Naval Submarine Base at Groton, Conn.

   p. 10

6. Cummins-Powered 110-Foot 'Comet' Delivered To Shippen Marine

   Gulf Craft Inc. has delivered the 110-foot aluminum crew/supply boat Comet to Shippen Marine Inc. of Houston, the first crewboat powered by four Cummins KTA-1150-M diesels.

   p. 66

7. Electric Propulsion Systems Discussed At SNAME Chesapeake Section

   Capt. James V. Jolliff of the Naval Sea Systems Command described a near-term integrated electric propulsion option for Navy surface combatants using three GE LM 2500 gas turbines driving 18-mw generators, at a Chesapeake Section SNAME meeting.

   p. 20

8. Calendar Of Coming Events

   A listing of upcoming maritime conferences, symposia and exhibitions from May through September 1981, with venues and contact details.

   p. 56

9. Braden Offers New Series Of Improved Winches—Literature Available

   Braden Winch Co. has released free literature on its CH150 series planetary winch, which offers improved bearings, cable pocket design and brake features over earlier models.

   p. 53

10. Dr. P.W. Murrill Elected To Tidewater Board

    Tidewater Inc. has elected Dr. Paul W. Murrill, senior vice president of Ethyl Corp. and former LSU chancellor, to its board of directors.

    p. 7