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Following the editor's timely reminder about safety when using pyrotechnical devices in my article in the latest edition of the SCR "How to torpedo a Typhoon", it was remiss of me not to mention two safety features built in to the arming circuitry on my boat. In series with the magnetic contact operated by the bow planes going to 'full rise' are two switches. One is a single pole plug and socket made from the fore deck capstan and the second is a normally-open float switch in the free-flood compartment. To arm the firing circuit, the capstan has to be plugged in AND the boat must be in the water thus preventing accidental discharge when , for instance, testing the radio prior to launch. I am, in fact, paranoid about explosives safety - I just wish that others I have met in my career (particularly, Iran '79 and Kuwait '90) were the same as my pucker was never more factored!
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