Technology and Operations
This forum is for discussing technological & operational matters pertaining to U-boats.
Re: U-boats and towed arrays?
Posted by:
ROBERT M.
()
Date: February 05, 2006 07:27PM
kurt, et al::
The passive towed hydrophone array was introduced by Doctor
Harvey Hayes at New London Naval Experimental Station in 1917.
His task was to derive as quickly as possible the best available technology to defeat the U-boat.
Working with the Submarine Signal Company, they produced the
"Eel", using 48 hull-mounted and towed hydrophones, (tested
aboard the destroyer USS JOUETT). The system was binaural, indicating both range and direction. Two arrays with 12 hydrophones each were towed 300-500 feet behind the ship, 100
feet deep and 12 feet apart. A 12-channel electrical compensator
provided electrical delay-line steering. In April 1918, USS JOUETT tracked the submarine G-2, doing 7 knots in Long Island Sound, NY.
The system not only detected and located the direction of the submerged targets but also by means of cross-fixing from the known geometry of towed and hull-mounted equipment, could measure the range.
When Doctor Hayes met with his British opposite numbers in
1918, they urged the development of their acttiive, echo-ranging
gear ASDIC, which tthe U.S. Navy chose to pursue.
Later,
ROBERT M.
The passive towed hydrophone array was introduced by Doctor
Harvey Hayes at New London Naval Experimental Station in 1917.
His task was to derive as quickly as possible the best available technology to defeat the U-boat.
Working with the Submarine Signal Company, they produced the
"Eel", using 48 hull-mounted and towed hydrophones, (tested
aboard the destroyer USS JOUETT). The system was binaural, indicating both range and direction. Two arrays with 12 hydrophones each were towed 300-500 feet behind the ship, 100
feet deep and 12 feet apart. A 12-channel electrical compensator
provided electrical delay-line steering. In April 1918, USS JOUETT tracked the submarine G-2, doing 7 knots in Long Island Sound, NY.
The system not only detected and located the direction of the submerged targets but also by means of cross-fixing from the known geometry of towed and hull-mounted equipment, could measure the range.
When Doctor Hayes met with his British opposite numbers in
1918, they urged the development of their acttiive, echo-ranging
gear ASDIC, which tthe U.S. Navy chose to pursue.
Later,
ROBERT M.
