Posted by steve on January 22, 19100 at 11:37:58:
SIDE SCAN SONAR, TOWFISH - E.G.& G. # 272, $5,200.00 - for sale.
was $11,000.00 just recently, must sell today
adaptations: Built in a "Saf-T-Link" automatic fish recovery system.
Tow fish cable adapter, oceanic plug, converted from E.G.& G. plug to Klein 520, to fit Klein 3000 to 3000 foot range at 100kHz at 12 speeds: to opperate at from 100 feet to 3000 feet each side, dual channel, a 6000 foot coverage swat at a single pass.
Unit can scan 2 square miles in 6 minutes, when paying out 250 feet cable and maintaining average altimeter of 40 feet over bottom, for up to three foot seas on the surface; where for some people - 2 foot seas is a better deployment plan. The first 20 feet of cable emmediately below surface, must have cable flares, to avoid cable wipping.
Unit was calibrated 5 years ago, shaving the transducers to align for focusing, and doubler installation. Also added was a bypass feature, for "passive mode" research (as you have seen one in "Red October" sub)and if your source is a depth sounder, very wide beam; recording, at 8 watts or better output from the fish finder is sufficient. The fish finder will do as a source for the SSS receiver, to log on pictures. The SSS ion active mode, outputs 1800 watts of power per pulse per channel, both sides.
The pinger in the fish finder is synchonized with the initiating towfish pulse signal, as control, for each picture frame. GPS marks location.
The passive SSS mode is functional pursuant to steves redesign work at Gould Ocean Systems Hydrolab facility for final deployment in the sea environment
The submarine body is the original E. G. & G. body and yellow paint job.
Includes FOB shipping. Send money order or Bank Certified check.