jeffb5.8 Posted October 19, 2017 Share Posted October 19, 2017 Hi All My Transducer is screwed on to the mount on the back of my Stacer and the screws keep coming loose, so I thought while I am doing the wheel bearings and some touch ups, I would take the time to remove the screws and replace them with bolts. So do I use a stainless steel bolt, nut and washer or a Alloy bolt nut and washer? Link to comment Share on other sites More sharing options...
rozza_b Posted October 19, 2017 Share Posted October 19, 2017 some pictures might help mate and generally stainless is the go but if securing to aluminum will need to chuck something on them to help stop corrosion, someone on here will help with the name of the stuff to use Link to comment Share on other sites More sharing options...
jeffb5.8 Posted October 19, 2017 Author Share Posted October 19, 2017 Link to comment Share on other sites More sharing options...
Sigma Posted October 19, 2017 Share Posted October 19, 2017 17 minutes ago, jeffb5.8 said: Hi Jeff, Best to use 316 grade stainless steel with nylon lock nuts (that's what I did) and it won't move. You also nee to apply Tef-Gel (it's a yellowie paste) where the different metals are touching in order to prevent corrosion as they are different metals. Cheers Dave Link to comment Share on other sites More sharing options...
jeffb5.8 Posted October 19, 2017 Author Share Posted October 19, 2017 Cheers Dave is Tef Gel from a specialized shop or would Bunnings / a shop have it. Link to comment Share on other sites More sharing options...
Sigma Posted October 19, 2017 Share Posted October 19, 2017 (edited) Mate, I bought it from BIAS Boating when they were around but I know you can buy a little tube from Ebay for around $30. I think it sells at specialised shops. Checked Bunnings for you and comes up with nothing. There is also a marine/boating shop in Caringbah and other Sydney branches (can't mention the name here) and they sell it too...starts with "W" and they're half the price of Ebay. Just google Tef-Gel and the shop will appear in the first few searches... Edited October 19, 2017 by Sigma Link to comment Share on other sites More sharing options...
recurve Posted October 19, 2017 Share Posted October 19, 2017 I don't think an ipad is a smart device. Cost of a 4G ipad is not much less than a head unit of a major brand which is designed for the environment. ipads will die in a boat. rough, wet and salty. Not good for ipads. Link to comment Share on other sites More sharing options...
raging Posted October 19, 2017 Share Posted October 19, 2017 2 minutes ago, recurve said: I don't think an ipad is a smart device. Cost of a 4G ipad is not much less than a head unit of a major brand which is designed for the environment. ipads will die in a boat. rough, wet and salty. Not good for ipads. Wrong thread? Link to comment Share on other sites More sharing options...
Sigma Posted October 19, 2017 Share Posted October 19, 2017 1 hour ago, raging said: Wrong thread? Ummmm...yep Link to comment Share on other sites More sharing options...
Fab1 Posted October 19, 2017 Share Posted October 19, 2017 That's a good candidate for the humble ally rivet mate.A 2 second job and you won't need to worry about it again.That transducer sticks out that far you almost need a orange flag attached to it whilst under tow.Or use it as a diving board. Link to comment Share on other sites More sharing options...
rickmarlin62 Posted October 19, 2017 Share Posted October 19, 2017 plus one on large diameter rivets..put them top and bottom of bracket if your height is set..rick Link to comment Share on other sites More sharing options...
jeffb5.8 Posted October 19, 2017 Author Share Posted October 19, 2017 7 hours ago, Fab1 said: That's a good candidate for the humble ally rivet mate.A 2 second job and you won't need to worry about it again.That transducer sticks out that far you almost need a orange flag attached to it whilst under tow.Or use it as a diving board. It helps with right hand turns too! sounds like I will have to check the height and mark it next time I am out on the water. should it be above / On or below the water line when at rest. it does throws a mean spray when under way Link to comment Share on other sites More sharing options...
jeffb5.8 Posted October 19, 2017 Author Share Posted October 19, 2017 1 hour ago, rickmarlin62 said: plus one on large diameter rivets..put them top and bottom of bracket if your height is set..rick I have some alloy rivets, so that might be a good option once I confirm what height it should be at. Link to comment Share on other sites More sharing options...
Fab1 Posted October 19, 2017 Share Posted October 19, 2017 1 hour ago, jeffb5.8 said: It helps with right hand turns too! sounds like I will have to check the height and mark it next time I am out on the water. should it be above / On or below the water line when at rest. it does throws a mean spray when under way Run a straight edge rule along the bottom of the hull and lower the base of your transducer to the top of the rule.The base of the transducer should be level with the hull. Link to comment Share on other sites More sharing options...
jeffb5.8 Posted October 19, 2017 Author Share Posted October 19, 2017 Cheers Link to comment Share on other sites More sharing options...
Croydon Posted October 20, 2017 Share Posted October 20, 2017 Hi Jeff, Once you are happy with the position of your transducer and achieved the best readings possible I'd mark the location. Between the stainless steel transducer bracket and aluminium hull fitting, I use a cut out of a polyethlene cutting board to separate the two metals. If using 316 stainless bolts use polyethlene washers, nylon nuts and tef gel. Or go with the large aluminium rivets with aluminium mandrels. Also remember to re-paint all screw holes before fixing. Hope I'm not telling you how to suck eggs. Cheers.. Dave Link to comment Share on other sites More sharing options...
jeffb5.8 Posted October 20, 2017 Author Share Posted October 20, 2017 16 minutes ago, Croydon said: Hi Jeff, Once you are happy with the position of your transducer and achieved the best readings possible I'd mark the location. Between the stainless steel transducer bracket and aluminium hull fitting, I use a cut out of a polyethlene cutting board to separate the two metals. If using 316 stainless bolts use polyethlene washers, nylon nuts and tef gel. Or go with the large aluminium rivets with aluminium mandrels. Also remember to re-paint all screw holes before fixing. Hope I'm not telling you how to suck eggs. Cheers.. Dave No egg sucking from what I read, all great tips and appreciated, I have heaps of HDPE covers here in different thickness I can cut up Link to comment Share on other sites More sharing options...
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