tonystott wrote:
FE, the cost of basic chart plotter/fish finders is low enough (IMO) to run the risk of needing a replacement every year or two. Any purchased chart micro SD car can be transferred to the new plotter. Having real-time position and course shown on as chart is surely the best fog solution, and even if you never use the fish finder function to actually catch fish, having a picture of the sea bed is a bonus.
My eye-sight isn't good enough to read a compass mounted in front of the mast, and I have my Lowrance plotter mounted about 8 inches in front of the centreboard slot and about 15 inches up from the deck, where it is easy to reach to tweak the controls. While it lives inside a plastic container, the front of the container is cut open so the controls are open. The transducer lives in one of the scuppers at the rear.
Agreed, chart plotters/depth finders have now become inexpensive enough for anyone to own. They add so much incredible functionality and usefulness that virtually every AI/TI owner could benefit from installing one. Fusioneng, with all the extraordinary upgrades you've added to your TI and your extreme offshore use, I'm amazed and confused why you haven't installed one. If anyone should own one, it's you.
I've never found the need to add any additional waterproofing to any of my chart plotters/depth finders. They all had an IP (Ingress Protection Rating) rating of IPX7 which means they are guaranteed to be waterproof (both salt and fresh water) when completely submersed in 1 meter of water for 30 minutes. My units get splashed quite a lot frequently but so far have never been fully submersed. None have failed. I've had my prior unit, which I just replaced, for 6 years of heavy use with a great deal of water exposure and it still works perfectly. It survived and was used on three different boats including my TI. The only reason I replaced it was to take advantage of a larger screen and the newer (awesome) features.
Adding additional waterproofing such an a plastic enclosure is fine, but not necessary, if you purchase a unit with an IPX7 rating.