Maintenance - castle nut for Gori prop

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castle nut for Gori prop

Printed From: Laser 28 International Class Association
Category: Laser 28 General
Forum Name: Maintenance
Forum Description: All the things to care for your boat
URL: http://www.laser28.org/forum/forum_posts.asp?TID=580
Printed Date: 23 November 2024 at 5:35pm
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Topic: castle nut for Gori prop

Posted By: Jon167
Subject: castle nut for Gori prop
Date Posted: 17 July 2012 at 7:52am

anyone have a source or know the specs on the castle nut for the propeller?

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Jon

Pandora

Hull#167

Lake Ontario SBYC
Past President LYRA

Replies:

Posted By: frfletch
Date Posted: 17 July 2012 at 9:36am

Make one. It is simple. These are just a standard nut and then you can use a hack saw to slot them. The easiest way is to load two or three hack saw blades side-by-side in the hack saw frame, mark the top of the nut with a sharp felt pen for where you want to grooves, put the nut in a vice, and cut the grooves. That is all these nuts are. Nothing special. You do not really need that many grooves. You really can get away with using one or two if you have a few washers of different thicknesses so that you can get a fit that is not sloppy. Or you can use the washer you have, put the nut on to see where a groove would line up with the hole in the shaft, and then just cut one groove. The cut will leave a small burr on the threads, but they come off as soon as you screw the nut onto the shaft a couple of times. I forget the size of the nut. I think it may be a 12mm. The shaft itself is 14 at the bottom of the splines, and 17 at the top.