Re: Stus-List mast collar straps
I used ratcheting tie downs to pull the deck down towards the mast step - and an OC6 crew standing on deck around the mast. This was when I forgot to install the straps one year and only noticed days later - the deck had "lifted" or perhaps as Steve points out, the weight of the keel had something to do with it. In my case, halyard tension seemed to play a role so don't forget to take the tension out of your rigging. Steve Suhana, C&C 32 Toronto ___ This list is supported by the generous donations of our members. If you like what we do, please help us pay for our costs by donating. All Contributions are greatly appreciated!
Stus-List mast collar straps
There is another solution to adjusting the straps under the Do-It-Yourself section. (MAST BRACKETS) It turns the fixed staps into adjustable ones. Looks interesting. Tom S/V ANDIAMO C&C 36, 1980 Rockaway Bch, NY 646-283-1580 tagraph...@optonline.net ___ This list is supported by the generous donations of our members. If you like what we do, please help us pay for our costs by donating. All Contributions are greatly appreciated!
Re: Stus-List mast collar straps
Tom, many C&C 36 and 38 from around that year have had similar problems. I have the same model and year of boat as you have, and I am relatively new to it as well. Part of what your are experiencing is just the "natural" reshaping and relaxing of the hull and deck in response to stress over time. When in the water, the weight of the keel and the load of the rig tension pushes the mast step and the hull surrounding the keel down relative to the rest of the boat. The mast straps, (which are occasionally and erroneously referred to as the partners), are attached to the deck and pull it down to the extent that the mast step moves down relative to the rest of the boat. When the boat is out of the water these forces are either relieved (rig tension) or reversed (keel weight) and the boat will take a few days to settle in again once back in the water. These effects need to be taken into account before considering any remedial or restorative action. Jacking up the mast a little bit to get the bolts in may be the best solution if it is not too far. A small amount of load on the deck may not be a bad thing. On my boat I think it is a bit too far since the deck appears to be depressed around the mast collar by more than 1/2 an inch. I can not see anything wrong with the transverse wood and fibreglass supports immediately ahead of and behind the mast step box. What I have been told is that sometimes the space under the box was filled with more or less random bits of wood. fibreglass, and resin to build up a support platform, and that the sinking mast syndrome in that case is due to that wood rotting and probably not structural in any sense other than the loss of a shim under the mast. I have not decided what to do with mine yet, but there is a 1978 C&C 38 at our club which had a piece of aluminum plate cut to fit inside the step box, and it has worked fine for a couple of decades now. That will be my solution unless I find a good reason not to do it. I too would welcome further information or experience from others who have dealt with the same problem on the same or very similar boats. Steve Thomas 1980 C&C36 Merritt Island, Fl - Original Message - From: Tom Alessi via CnC-List To: cnc-list@cnc-list.com Cc: Tom Alessi Sent: Tuesday, August 02, 2016 12:30 Subject: Stus-List mast collar straps Hi, This is my first season sailing after a season on the hard doing repairs. When the yard re-stepped the mast the holes on the metal straps that bolt through the mast no longer align. The holes on the mast are lower by 3/8". As part of the rehab I had removed the mast collar. so I initially thought that I used too much caulking in the installation. I removed the collar and scrapped away all the caulking but the holes are still off. I wasn't there when the yard had originally took out the mast so I'm not sure if there was anything under the mast causing it to be slightly higher. I'm relunctant to drill a new set of holes. Any advice would be appreciated. Thx Tom Alessi S/V ANDIAMO C&C 36, 1980 Rockaway Bch, NY 646-283-1580 tagraph...@optonline.net ___ This list is supported by the generous donations of our members. If you like what we do, please help us pay for our costs by donating. All Contributions are greatly appreciated!
Re: Stus-List mast collar straps
Hi Tom, a similar situation happened to us a few years ago. We solved it by attaching the lower hole on the stainless strap to the bottom of the mast and bringing them closer (1/2 inch in our case) using a home depot bought turnbuckle. It worked, but the approach felt wrong. I was under the impression that the correct way to do it would be to attach the straps before the mast is completely lowered (and still attached to the crane). Our boat's manual says: "NB: Before proceeding, be sure to attach the deck collar tie-down straps to the mast below deck." This note appears at the point where the weight of the mast is transferred from the crane to the step. best, -- Sébastien Lemieux Merlot X, C&C 30-2 1988 Lake Champlain > On Aug 2, 2016, at 12:30 , Tom Alessi via CnC-List > wrote: > > Hi, > This is my first season sailing after a season on the hard doing repairs. > When the yard re-stepped the mast the holes on the metal straps that bolt > through the mast no longer align. The holes on the mast are lower by 3/8". As > part of the rehab I had removed the mast collar. so I initially thought that > I used too much caulking in the installation. I removed the collar and > scrapped away all the caulking but the holes are still off. I wasn't there > when the yard had originally took out the mast so I'm not sure if there was > anything under the mast causing it to be slightly higher. I'm relunctant to > drill a new set of holes. > Any advice would be appreciated. > Thx > > Tom Alessi > S/V ANDIAMO > C&C 36, 1980 > Rockaway Bch, NY > 646-283-1580 > tagraph...@optonline.net > <20160712_165733 a.jpg>___ > > This list is supported by the generous donations of our members. If you like > what we do, please help us pay for our costs by donating. All Contributions > are greatly appreciated! ___ This list is supported by the generous donations of our members. If you like what we do, please help us pay for our costs by donating. All Contributions are greatly appreciated!
Re: Stus-List mast collar straps
Make sure all your halyards, vang, cunningham, etc are slackened if they are led back to the cockpit. Kind of obvious, but it definitely makes a difference. I know from experience. On Tue, Aug 2, 2016 at 10:09 AM jhnelson via CnC-List wrote: > If you have any rig tension on that would do it. > > Other options, assuming you haven't had any mast step work done is to > raise the mast up a bit, put the bolts in and drop it back down. Or shim > the mast up to the right height. > > > > Sent from my Samsung device > > > Original message > From: Tom Alessi via CnC-List > Date: 2016-08-02 1:30 PM (GMT-04:00) > To: cnc-list@cnc-list.com > Cc: Tom Alessi > Subject: Stus-List mast collar straps > > Hi, > This is my first season sailing after a season on the hard doing repairs. > When the yard re-stepped the mast the holes on the metal straps that bolt > through the mast no longer align. The holes on the mast are lower by 3/8". > As part of the rehab I had removed the mast collar. so I initially thought > that I used too much caulking in the installation. I removed the collar and > scrapped away all the caulking but the holes are still off. I wasn't there > when the yard had originally took out the mast so I'm not sure if there was > anything under the mast causing it to be slightly higher. I'm relunctant to > drill a new set of holes. > Any advice would be appreciated. > Thx > > Tom Alessi > S/V ANDIAMO > C&C 36, 1980 > Rockaway Bch, NY > 646-283-1580 > tagraph...@optonline.net > ___ > > This list is supported by the generous donations of our members. If you > like what we do, please help us pay for our costs by donating. All > Contributions are greatly appreciated! > ___ This list is supported by the generous donations of our members. If you like what we do, please help us pay for our costs by donating. All Contributions are greatly appreciated!
Re: Stus-List mast collar straps
If you have any rig tension on that would do it. Other options, assuming you haven't had any mast step work done is to raise the mast up a bit, put the bolts in and drop it back down. Or shim the mast up to the right height. Sent from my Samsung device Original message From: Tom Alessi via CnC-List Date: 2016-08-02 1:30 PM (GMT-04:00) To: cnc-list@cnc-list.com Cc: Tom Alessi Subject: Stus-List mast collar straps Hi, This is my first season sailing after a season on the hard doing repairs. When the yard re-stepped the mast the holes on the metal straps that bolt through the mast no longer align. The holes on the mast are lower by 3/8". As part of the rehab I had removed the mast collar. so I initially thought that I used too much caulking in the installation. I removed the collar and scrapped away all the caulking but the holes are still off. I wasn't there when the yard had originally took out the mast so I'm not sure if there was anything under the mast causing it to be slightly higher. I'm relunctant to drill a new set of holes. Any advice would be appreciated. Thx Tom Alessi S/V ANDIAMO C&C 36, 1980 Rockaway Bch, NY 646-283-1580 tagraph...@optonline.net ___ This list is supported by the generous donations of our members. If you like what we do, please help us pay for our costs by donating. All Contributions are greatly appreciated!
Stus-List mast collar straps
Hi, This is my first season sailing after a season on the hard doing repairs. When the yard re-stepped the mast the holes on the metal straps that bolt through the mast no longer align. The holes on the mast are lower by 3/8". As part of the rehab I had removed the mast collar. so I initially thought that I used too much caulking in the installation. I removed the collar and scrapped away all the caulking but the holes are still off. I wasn't there when the yard had originally took out the mast so I'm not sure if there was anything under the mast causing it to be slightly higher. I'm relunctant to drill a new set of holes. Any advice would be appreciated. Thx Tom Alessi S/V ANDIAMO C&C 36, 1980 Rockaway Bch, NY 646-283-1580 tagraph...@optonline.net ___ This list is supported by the generous donations of our members. If you like what we do, please help us pay for our costs by donating. All Contributions are greatly appreciated!
