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Need a new depth finder.

Old 05-01-2021, 06:03 PM
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Yes an MFD is the way to go. Show us a picture of your current dash.

Chris
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Old 05-01-2021, 10:09 PM
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Depth gauge is behind steering wheel just under speedo.
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Old 05-03-2021, 04:07 PM
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This looks like a good option for the price. You might have to make a trim ring or gut your old one and put this one inside the old one. Could also glue on a backer plate behind dash , drill it to 2 inches and flush mount.
Amazon Amazon

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Old 05-03-2021, 05:40 PM
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I was looking at that one (2" Hawkeye). Would need adapter/washer, etc Good reviews but it doesn't sound like it works well with an "in-hull" sensor.
Hummingbird HDR650= For 2" hole. Outer bezel ring of gauge is 2.4" across. Hole I need to fill is 2.5". Would need adapter/washer. Comes with transom mount transducer that some say can be glued inside hull.
Faria= For 2" hole. Would need adapter/washer, etc. Comes with a in-hull sensor and mount that uses RV antifreeze. Decent reviews. Red backlighting is a plus for me. It's currently leading the pack for 2" instruments.

Still trying to avoid a 2" gauge if possible.

Gutting the old one might be an option. I did something very similar with my anchor light socket that had an odd sized hole in hull..

Toy'ed with idea us using a GPS/fish finder for depth display and fill old depth gauge hole with something else like maybe a eng sync_meter. Most fish finders need a sensor in the water to work well.

BTW, discovered there's a LOT of misconception on the net about "thru-hull" sensors. Some believe a "shoots thru the hull" sensor is the same as a "thru-hull" sensor, which they are not. Some amazon/ebay sellers/reviewers apparently don't know the difference either..

"In-hull" sensor= glues inside boat, shoots thru the hull, not in direct contact with the water. Needs to be secured level and have no air/wood between it and water. Fiberglass ok. Transducers made for in-hull mount are supposed to be "optimized" to read return signals thru hull. Needs level topped resin bed to glue sensor to OR use a tube filled with liquid that's glued to bottom of bilge.

"Thru-hull" sensor= Works great. Have to drill a large hole in bottom of boat, mount sensor (hope it doesn't leak), in contact with water. Unclear how much deadrise it can work with. 10 degs max?? Saw another sensor that was angled and supposed to work up to 20 degs deadrise. Think I'm at 24 degs.

While I'm at it: "Transom mount" sensor= Hangs off outside of transom, Works great, looks like crap on a go fast, removes itself above 70 mph. May cause water leak/rot in transom.
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Old Yesterday, 09:33 PM
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Gave up on a larger guage and ordered the 2" Faria with the in-hull transducer and the special pipe thingy that glues to bottom of bilge. In regards to gauge mounting, found a 2.5" X 2" PVC pipe reducer that might just work with a little massaging and some flat black paint.

Last edited by zz28zz; Yesterday at 09:37 PM.
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