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Old 05-15-2019, 06:01 AM   #1
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Prop nuts

the prop nuts that I need are left hand 1-1/4x7(to fit a 1-3/4in. shaft) the thick one is 11/4 in. Thick and the thin one is 3/4 in. Thick the nuts must be either bronze or stainless steel. Thank you.
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Old 05-15-2019, 06:16 AM   #2
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Most any reputable prop shop should have access to these, have you tried them?
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Old 05-15-2019, 06:22 AM   #3
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Originally Posted by LaBomba View Post
Most any reputable prop shop should have access to these, have you tried them?
Yes of course. Just about everyone in annapolis Maryland area. Boat goes back in on Monday.
Thank you
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Old 05-15-2019, 08:17 AM   #4
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McMaster-Carr?
They ship overnight

Just looked they list what you need.
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Old 05-15-2019, 08:23 AM   #5
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You can only move forward, there is no going back

-sorry, but it does bump you thread back up.
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Old 05-15-2019, 03:25 PM   #6
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Ordered f McMaster but they are not the correct width. Too wide. Not enough room f cotter key to lock as they are not self locking. Don’t want the nuts to fall off while underway. Thank you.
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Old 05-15-2019, 03:36 PM   #7
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Ordered f McMaster but they are not the correct width. Too wide. Not enough room f cotter key to lock as they are not self locking. Donít want the nuts to fall off while underway. Thank you.
That would be an easy grinding job to get them to the correct width.
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Old 05-15-2019, 03:39 PM   #8
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Yes, thank u. I am looking f a machine shop to do just that.
May have to wait until next haul out as Friday is it!
Thank you all again.
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Old 05-15-2019, 04:10 PM   #9
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Quote:
Originally Posted by sailr1 View Post
Ordered f McMaster but they are not the correct width. Too wide. Not enough room f cotter key to lock as they are not self locking. Donít want the nuts to fall off while underway. Thank you.
Hate it when your nuts fall off underway... make sure you put the thin nut on first and the thick nut on last.
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Old 05-15-2019, 04:23 PM   #10
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lost my nuts

https://www.deepblueyachtsupply.com/...ler-shaft-kits
Deep Blue Yaqcht Supply bet they could overnite them if you react quick.
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Old 05-15-2019, 04:24 PM   #11
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... make sure you put the thin nut on first and the thick nut on last.
That ought to keep this thread alive for months.....
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Old 05-15-2019, 04:37 PM   #12
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That ought to keep this thread alive for months.....
Yes, it should.
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Old 05-15-2019, 05:03 PM   #13
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make sure you put the thin nut on first and the thick nut on last.
Best practice also includes drilling but and using seizing wire vs cutter pin.
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Old 08-16-2019, 03:51 AM   #14
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Which nut first?

Quote:
Originally Posted by Comodave View Post
Yes, it should.
On this matter, of all the articles out there, I found this one to best explain the mechanics on why to use the thin nut first. Makes perfect sense.

https://www.followingseas.media/blog/2017/2/8/the-truth-about-prop-nuts-and-why-it-matters

The naval guidelines for ships is also a good reference. See page 96 regarding jam nuts

https://fas.org/man/dod-101/sys/ship/nstm/ch075.pdf
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