Boltman Posted October 22, 2010 Share Posted October 22, 2010 Well I did it, I bought the Airmar B64 20 degree element, and with that you need to cut a 3 3/4" hole in the bottom of the boat, I'm hear to tell you it went well, cutting into the hull was a little un nerving..but with a hole saw it wass made easy... and it fit in with a little filing on the edges,Sealed it in with 3M 5200 sealant/Adhesive and now I have to wait until spring to see if it leaks.....but with that adhesive/sealant.... I don't think there will be any leaks, I'm not really worried.., now to install the sounder, I'm having trouble locating a good spot to put it in, Raymarine doesn't want it in the engine compartment....So... I' crawl around and find a perfect site for the sounding box.....Hope I don't get stuck..:thumb: Link to comment Share on other sites More sharing options...
Just Hook'n Posted October 22, 2010 Share Posted October 22, 2010 I think I would pass out if I saw someone drilling a 4" hole in my boat. WOW. You must have brass (*&&(. Link to comment Share on other sites More sharing options...
Priority1 Posted October 22, 2010 Share Posted October 22, 2010 If Robert sells bolts he has to have nuts also. A 4 inch hole is no biggie considering the hole cut in the transom for the outdrive. Just make certain it's sealed real good inside and out. Link to comment Share on other sites More sharing options...
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