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ssobol
Joined: 27 Oct 2012 Posts: 3382 City/Region: SW Michigan
State or Province: MI
C-Dory Year: 2008
C-Dory Model: 22 Cruiser
Vessel Name: SoBELLE
Photos: SoBelle
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Posted: Thu Jan 06, 2022 11:26 pm Post subject: |
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thataway wrote: | Nyloc nuts (as above) are an option, But I prefer to use a full thread nut 316 SS nut with Loctite 424. That gives a very secure fastening. |
The nylon part is in addition to the threaded part. That's why nyloc nuts are taller than regular nuts. For aircraft use, they are not going to allow locking nuts that are less strong than regular ones. You're allowed to use a nyloc nut in place of a regular one (with a suitable locking mechanism) except in high heat or certain chemical environments. In critical applications you should only use a nyloc nut once. 3 screw threads should protrude out the top of the nut. |
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C-Wolfe
Joined: 16 Sep 2020 Posts: 259 City/Region: Anchorage
State or Province: AK
C-Dory Year: 2008
C-Dory Model: 255 Tomcat
Vessel Name: Valhalla
Photos: C-Wolfe
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Posted: Thu Jan 06, 2022 11:40 pm Post subject: |
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thataway wrote: | Not all have the forward nuts. I suspect they are put there because some boats are not going to be even where the holes are drilled, and irregularities can be adjusted for. But I would not just tighten nuts from the outside. Keep those as close to the "U" as possible. |
Bob, I agree with you, most of the tightening should be done from inside, but you could probably have the last tug from the roomier outside, a full rotation or so at most. As always, feel free to correct me.
_________________ Stephan
ValHalla 08 TC255 2024-present
C-Wolfe 22 C-Dory cruiser 2020-24
No Name; Bayliner explorer 26 2012-2015
sparkle; Ericson 25 CB 2008-2012
Sculpin; Drascombe Drifter 2005-2008 |
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thataway
Joined: 02 Nov 2003 Posts: 20829 City/Region: Pensacola
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: thataway
Photos: Thataway
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Posted: Fri Jan 07, 2022 10:45 am Post subject: |
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C Wolf--looks good. _________________ Bob Austin
Thataway
Thataway (Ex Seaweed) 2007 25 C Dory May 2018 to Oct. 2021
Thisaway 2006 22' CDory November 2011 to May 2018
Caracal 18 140 Suzuki 2007 to present
Thataway TomCat 255 150 Suzukis June 2006 thru August 2011
C Pelican; 1992, 22 Cruiser, 2002 thru 2006
Frequent Sea; 2003 C D 25, 2007 thru 2009
KA6PKB
Home port: Pensacola FL |
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Barry Rietz
Joined: 21 Jun 2006 Posts: 409 City/Region: Sierra Vista
State or Province: AZ
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Barry Rietz
Joined: 21 Jun 2006 Posts: 409 City/Region: Sierra Vista
State or Province: AZ
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ssobol
Joined: 27 Oct 2012 Posts: 3382 City/Region: SW Michigan
State or Province: MI
C-Dory Year: 2008
C-Dory Model: 22 Cruiser
Vessel Name: SoBELLE
Photos: SoBelle
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Posted: Fri Jan 07, 2022 6:51 pm Post subject: Re: Bow Fitting |
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Still need a backing plate and have to get a wrench on the inside bolt head when you tighten the outside nut. So I'm not seeing much of an advantage. |
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zuunami
Joined: 10 Aug 2021 Posts: 223 City/Region: Fort Bragg
State or Province: CA
C-Dory Year: 2006
C-Dory Model: 16 Cruiser
Vessel Name: Oh Buoy!
Photos: zuunami
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Posted: Fri Jan 07, 2022 11:39 pm Post subject: |
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thanks for all of the feedback, I got back under there today and that piece in the pic that looks like a 1/2" piece of foam dropping down to the left of the bolts, is actually a very thick foam block - I'm not sure if it was intentionally put there, or if it slipped down from behind the -not sure what you call it - it's a piece of board that sits on top of the v-berth platform.
But it's right in the way of getting to the top nut inside. I was wondering, for both this issue and just as a resource in the future, whether it would be wise or not to install a large rectangular inspection hole in that v-berth platform near that area, or if that platform is part of the hull integrity since it's glassed into the sides?
thanks again everyone, what a resource this C-Brats site is _________________ Karen W. and Robert R.- Fort Bragg, CA - Oh Buoy! |
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Marco Flamingo
Joined: 09 Jul 2015 Posts: 1155 City/Region: Seattle
State or Province: WA
C-Dory Year: 2004
C-Dory Model: 16 Cruiser
Vessel Name: Limpet
Photos: Limpet
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Posted: Sat Jan 08, 2022 10:47 am Post subject: |
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My bow eye also had a plated steel backing plate that had to be replaced. The angle pieces that held the little bulkhead were also plated steel. Instead of replacing them with stainless, after I had finished my ground tackle modifications, I "glued" the bulkhead back in place with caulking.
I would guess that a prior owner had removed some of the EPS foam from behind your bulkhead. You can see the original pyramid-shaped pieces in my photo album Modifications-Ground Tackle.
Mark |
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zuunami
Joined: 10 Aug 2021 Posts: 223 City/Region: Fort Bragg
State or Province: CA
C-Dory Year: 2006
C-Dory Model: 16 Cruiser
Vessel Name: Oh Buoy!
Photos: zuunami
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Posted: Sat Jan 08, 2022 1:18 pm Post subject: |
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thanks Mark, we have the same little bulkhead put in with small brackets. I just caulked it all in getting ready to paint the area. Now I think maybe we could remove that and have access to the bow eye, if the platform is cut back enough back there. Like your anchor setup, will have to look more closely at that...down the line |
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zuunami
Joined: 10 Aug 2021 Posts: 223 City/Region: Fort Bragg
State or Province: CA
C-Dory Year: 2006
C-Dory Model: 16 Cruiser
Vessel Name: Oh Buoy!
Photos: zuunami
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Posted: Sat Jan 08, 2022 6:00 pm Post subject: |
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It turns out the small bulkhead was easy to get out, and there were two pieces of foam back there, one had just slipped down. Now it's very easy to get to those bolts, as well as a number of others. The bolts don't have a stainless backer, so we'll have to fix that - but it's connected to a rod that goes up to the anchor holder (whatever the proper term is) on the tip of the bow. Probably won't caulk the bulkhead back in so we can get in here when we need to. Thanks again everyone
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Smitty.io
Joined: 05 Sep 2021 Posts: 15 City/Region: Santa Cruz
State or Province: CA
C-Dory Year: 1982
C-Dory Model: 22 Classic
Photos: Smitty.io
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Posted: Tue Jul 05, 2022 5:41 pm Post subject: |
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What is the size of the standard u-bolt? 5/16, but what length and spacing? |
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Smitty.io
Joined: 05 Sep 2021 Posts: 15 City/Region: Santa Cruz
State or Province: CA
C-Dory Year: 1982
C-Dory Model: 22 Classic
Photos: Smitty.io
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Posted: Thu Jul 07, 2022 2:19 am Post subject: |
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It’s 1 1/8in spread. Thx |
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