Page 19: of Maritime Reporter Magazine (January 1993)

.S. Navy Orders Sperry larine Ring Laser Gyros

The U.S. Navy has ordered a perry Marine MK-39 Ring Laser yro Attitude and Heading Refer- nce System for each of its three ew Pathfinder Class T-AGS ocean urvey ships.

The new vessels, currently under onstruction at Trinity Marine

Group's Halter Marine yard,

Gulfport, Miss., will be the first Navy survey ships to have ring laser gy- ros.

According to Sperry Marine vice president John V. DeMaso, the MK- 39 is the world's first production marine ring laser gyro attitude and heading reference system. The unit's ring laser gyro has a mean time be- tween failure of over 200,000 hours and accuracies of a four ARC mins

SEC lat RMS heading, 1.75 ARC mins roll and 1.75 ARC mins pitch.

The MK-39 is entirely enclosed with no need for external cooling fans.

Sperry Marine Inc., headquar- tered in Charlottesville, Va., is a subsidiary of Newport News Ship- building, a Tenneco company.

For additional information on the

Sperry Marine MK-39,

Circle 170 on Reader Service Card

The Sperry Marine MK-39 Ring Laser Gyro Attitude and Heading Reference System.

Cetrek Wagner Introduces

New Line Of Linear Actuators

The Cetrek Wagner autopilot di- vision of Teleflex introduced a new line of electrohydraulic sailboat lin- ear actuators. Teleflex, a leading marine steering manufacturer, pro- duces the linears in its hydraulic steering division.

New linear actuator from Cetrek Wagner.

The linears are based on Teleflex high efficiency pumps, proven cyl- inders and rudder position sensors.

To simplify installation the linears feature separate pump and cylin- ders, built-in reservior, bypass sole- noid and integral linear rudder po- sition sensor.

For additional information,

Circle 164 on Reader Service Card

San Francisco Pilot Orders

Gladding-Hearn Boat

The San Francisco Bar Pilots

Association has selected Gladding-

Hearn Shipbuilding, The Duclos

Corp., Somerset, Mass., to build its next pilot boat. The vessel, which is scheduled for delivery next July, is the pilot association's first boat built by Gladding-Hearn.

Designed by Gladding-Hearn and C. Raymond Hunt Associates of Boston, the 65-foot vessel's deep-

V hull will reach speeds of 25 knots.

The twin-screw vessel, which has an 18-foot beam and draws six feet, is an all-weather boat powered by two Caterpillar Diesel 3412-DITA engines. The engines will drive two 36-inch nickel-bronze propellers via

ZF 2:1 reverse/reduction gears and

Aquamet 17 shafts.

For further information on

Gladding-Hearn,

Circle 31 on Reader Service Card

THE GREAT EUROPEAN

For over half a century, SAILOR has played an essential part in develop- ments in shipping. The SAILOR products are sturdy, easy to operate and always in the centre.

SAILOR is well equipped to meet the GMDSS requirements. The new

GMDSS range from SAILOR consists of flexible and compact modules that are all part of SAILOR'S Compact 2000 series. This means that, irrespective of area of operation and needs for duplication of equipment, we can tailor a SAILOR GMDSS package that meets your particular needs and requirements.

RE2100 is the compact control unit for the HF SSB range - whether you wish a 250,600 or 1200W PEP system.

RM2150 is a compact MF/HF DSC watchkeeping receiver and DSC modem.

RM2151 is a DSC/telex modem and scanning receiver which meets the requirements for ARQ telex and Maritex.

RM2042 is a VHF channel 70 DSC watchkeeping receiver and DSC modem to be connected with RT2048 - a simplex/semi-duplex VHF.

SAILOR Inmarsat Standard-C meets the requirements for GMDSS satellite communication and EGC reception. m • SAILOR. THE GREAT EUROPEAN

S. P. RADIO A/S • PORSVEJ 2 • DK-9200 AALBORG SV • DENMARK • PHONE INT.: +45 9818 09 99 • TELEX: 69 789 SPRAD DK • TELEFAX INT.: +45 9818 6717

Circle 225 on Reader Service Card

January, 1993 21