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At random: "I don't know why we have to be down here on this hold down exercise(at the 60th hour). Hell, I went through this on the Thresher (SS 200) during WW ll with a Nip Sea Going Tug hooked onto our screw guards, trying to lift our butts out of the water. They didn't get us then, and these Tin Cans (ours) ain't going to get us now." -- "Hambone" Hamilton SD1 (SS). "Hambone" made 13 war patrols on USS Remora, SS-487, uttered these words in July 1957 during a hold down exercise off Kobe Japan.
mechanical diving alarm

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

Posts: 1

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

Master and Commander

Posts: 2185

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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