On Oct 8, 2008, at 1:50 PM, Dave Kruger wrote: > > In short (hehe!), these units should be rated for > _temperature_cycling_ as well as pressure differentials. > > I'd bet dollars to surfactants it is the former which kills the > majority of the units which die. I've lost several GPS units due to this same issue. I've even lost them when inside a drybag (one of those little roll-top jobs with the clear front designed to be used with a GPS). The drybag just seemed to act as a greenhouse to further heat up the GPS. Also, the seal between the front and back halves of a Garmin GPS are sealed with a double- sticky adhesive tape. This tape appears to soften when warm, thus creating leak paths that circumvent the gaskets of the battery door. I now keep my GPS in a drybag with a clamp-type closure and keep a bag of desiccant in the bag to keep the humidity under control. Seems to work so far. Nick Nick Schade Guillemot Kayaks 54 South Rd Groton, CT 06340 USA Ph/Fx: (860) 659-8847 http://www.guillemot-kayaks.com/ *************************************************************************** PaddleWise Paddling Mailing List - Any opinions or suggestions expressed here are solely those of the writer(s). You must assume the entire responsibility for reliance upon them. All postings copyright the author. Submissions: PaddleWise_at_PaddleWise.net Subscriptions: PaddleWise-request_at_PaddleWise.net Website: http://www.paddlewise.net/ ***************************************************************************Received on Wed Oct 08 2008 - 15:32:55 PDT
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