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To: techdiver@opal.com
Subject: Back-up lights, UW-Kinetics
From: Jouni I Polkko <jpolkko@vi*.hu*.fi*>
Date: Thu, 23 Feb 1995 12:56:00 +0200 (EET)
Hei,

I have used Underwater Kinetics flashlights as back-up lights for my primary
light source. Recently both lights were flooded within a week. The lights
I have were UW-Kinetics Q40 and Q60, the four C-shell and the six C-shell
lights with mechanical switch. I think that the same type of lights are
marketed with other names too such as Sun-Light SL4 and SL6 ? Both 
lights were quite new and I have not used them much. I have lubricated 
the O-rings and they seemed to be allright. The floodings did happen in
shallow water, 20 meters (60 ft) or so. So I have couple of questions :

A. The UW-Kinetics lights I had, seem to be quite commonly used as back-up
lights. Has anybody else had this kind of poor experiences or did I have
just "monday" examples ? Back-up lights should be fool proof I think.

B. What is the official max. depth rating of these lights ?
   How deep have you succesfully used them in fact ?

Jouni Polkko

***************************************************************************
* Jouni Polkko                           Jouni Polkko                     *
* Ilmatieteen Laitos                     Finnish Meteorological Institute *
* Geofysiikan osasto                     Departement Of Geophysics        *
* PL 503, 00101 Helsinki                 PL 503, 00101 Helsinki           *
* Finland                                Finland                          *
*                                                                         *
* e-mail: jouni.polkko@fm*.fi*  tel: +358-0-1929674  fax: +358-0-1929539   *
***************************************************************************

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