musky66 Posted November 7, 2007 Report Share Posted November 7, 2007 Wondering if the cotter pin holding the prop nut in place is stainless steel or just regular steel? Reason is it costs a buck to pick one up from the marina and i just found a stash of what I suspect are just steel ones in my tool box. I'm not complaining about a buck for the right cotter pin- especially if it saves my prop, but would like to use what I have if possible. Link to comment Share on other sites More sharing options...
john vail Posted November 7, 2007 Report Share Posted November 7, 2007 if your cotter pin is supose to be a shear pin, then you might want to stick with the stainless as it is a softer metal that hardened steel Link to comment Share on other sites More sharing options...
OhioFisherman Posted November 7, 2007 Report Share Posted November 7, 2007 Hardware store or nut and bolt shop should have stainless steel or possibly brass ones a lot cheaper. Cabela`s or BPS might have a boaters nut and bolt kit containing some in it? Link to comment Share on other sites More sharing options...
musky66 Posted November 7, 2007 Author Report Share Posted November 7, 2007 Cotter pin only holds the castellated nut in place. Prop has a different system to protect her in case of impact. I guess as long as the steel one won't rust and fall off in a season I should be alright. Link to comment Share on other sites More sharing options...
vance Posted November 7, 2007 Report Share Posted November 7, 2007 On my dads boat he used a regular cotter pin for the nut and when I took it fishing one day I lost everything when the nut came off when the pin rusted thru.Those washers and nuts for the prop set me back $16 .We found the prop in 8ft of water off the dock but nearly froze diving for it. vance Link to comment Share on other sites More sharing options...
aplumma Posted November 7, 2007 Report Share Posted November 7, 2007 If it fails and it is steel then you will have something to blame it on instead of knowing it was an act of god if it is stainless steel. Art Link to comment Share on other sites More sharing options...
Tybo Posted November 7, 2007 Report Share Posted November 7, 2007 Most cotter pin failure is do to the pin was bent to far. Yes, there is appropriate angle a cotter pin is suppose to be bent. Ant further and you weaken the cotter pin. Link to comment Share on other sites More sharing options...
didoban Posted November 7, 2007 Report Share Posted November 7, 2007 Stainless is better but I just use the cheaper ones. Replace as necessary usually when I lube the prop shaft yearly. Mostly to hold the castlenut in place, same as your trailer hub. Link to comment Share on other sites More sharing options...
BITEME Posted November 9, 2007 Report Share Posted November 9, 2007 Your kidding right!!! Link to comment Share on other sites More sharing options...
Fisherman Posted November 9, 2007 Report Share Posted November 9, 2007 If you look at it from a technical view, you could almost hold the castle nut on a splined shaft with a wooden toothpick, reason being, the prop whether going forward or reverse cannot rotate on the splined shaft and turn the nut at the same time, physical impossibility unless your splined shaft is FUBAR. For those with a shear pin drive, different story, but again most of the directional for is forward and not against the cotter pin. Link to comment Share on other sites More sharing options...
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