I have an old SR Mariner water speed sensor installed. As far as I know it doesnt work. I also noticed that the lip of the outside of the thru hull broke off. Right not it appears to be held in only by the adhesive. I'm on a really tight schedule to get the boat launched this weekend. I have a few options:
- Remove sensor and fill in with fiberglass. Will not be perfect due to lack of time. Will have to smooth it out at the end of the season
- Hope and pray the 20 year old adhesive is still in tact
- Replace it with a depth finder. The sensor has a 2 1/8" hole in the hull. The transducer for depth gauge is 2". I assume this small gap would be ok?
- Buy a new thru hull fitting for the current sensor