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At random: USS SKATE and USS SEADRAGON, after affecting a historic rendezvous under the ice, surfaced together at the North Pole through an opening in the ice on August 1962. What really happened: We didn't surface together, Skate surfaced first. Then we (Seadragon) fired yellow flares forward and aft so Skate could tell us how we were lined up. Remember, under-ice was primitive in these days. Skate called back down rapidly that one flare surfaced on her starboard side and the other to port. She requested we reposition before vertical surfacing. We did. - Coyote (Owen Carlson)

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freeman

Posted 2009-07-30 7:37 PM (#29191)

Subject: mechanical diving alarm

I'm looking for information on the older mechanical diving alarm. This one was used on the Permit era boats in the 60's and 70's. I would like to find the electrical diagram/specs for the actuator windings, or the manufacturer.

Stamped into the metal is an F within a circle with what appears to be a lightening bolt.

crystal

Posted 2009-08-20 10:39 AM (#29872 - in reply to #29191)

Master and Commander

Posts: 2191

Location: Port Ludlow, WA (the Olympic Penninsula)

Subject: RE: mechanical diving alarm

Joe, these "older" diving alarms (a.k.a. klaxons) used a motor actuated diaphram (via a cog) for the vibration (sound) produced. They are/were made "mostly" by Federal Signals (probably same as your logo)... They were still making them several years back for a price tag around $1,300.00 - Hope this helps answer you question...

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