My 1978 C&C 34 (#117) is the same. The bulkheads are tabbed to the hull. The
headliner is glued to the deck before landing the deck to the hull. There was
some (loosely) adhesive applied at the top of the bulkheads, but it is really
meant to "float" against the deck. Most of the time the squeaking you hear is
the bulkhead rubbing against the headliner. If yours is like mine, the
clearance between the bulkheads and the headliner is pretty tight.
To keep the deck from flexing too much, there are several mechanical
attachments, as others have noted.
1. The mast tangs connecting the mast to the partners2. A T-fitting bolted
through the deck and to the starboard main bulkhead3. Wire shroud at the
forward end of the head bulkhead on centerline. This is attached to the
forward end of the keel grid and then through the deck and babystay track. It
should have a turnbuckle at the bottom to tension.
I actually don't have as much movement as your pictures show, but I do have a
little.
Have fun sailing!
Chris DuerMorning ViewC&C 34 #117
https://www.facebook.com/MorningViewSailing/
On Monday, June 27, 2016 9:02 PM, Andrew Means via CnC-List
<cnc-list@cnc-list.com> wrote:
#yiv9108662662 body{font-family:Helvetica, Arial;font-size:13px;}This is good
to hear! One other spot we noticed was where the top of the engine compartment
meets the bottom of the cockpit. Creaking happened there when we were headed
upwind as well. Is this another area with “natural” flex for others?
--
Andrew Means
S.V. Safari - 1977 C&C 34 Mk ISeattle, WA
On June 27, 2016 at 5:54:22 PM, John and Maryann Read via CnC-List
(cnc-list@cnc-list.com) wrote:
Hi Andrew As near as we can tell, the upper bulkhead is not bonded to the deck
– and for a reason. C&C’s do flex a bit as they sail – especially as they bash
to windward. The lack of this bond allows this flex to happen – all well and
good as the stresses are dispersed throughout the entire hull. That said, the
flex is moderated / controlled by a stainless “T” tang that is attached by
bolts through the deck and also through the bulkhead. Ours was leaking a bit
which we fixed by rebedding in butyl. Your photos seem to show a glue used to
affix the head liner (not the deck) to the bulkhead has failed but do not think
it is of great concern as was not structural in the first place. Overall, a
noteworthy observation of minimal consequence so go sailing and have some fun
John and MaryannLegacy III1982 C&C 34Noank, CT From: CnC-List
[mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Andrew Means via CnC-List
Sent: Monday, June 27, 2016 5:15 PM
To: cnc-list@cnc-list.com
Cc: Andrew Means
Subject: Stus-List Bulkheads separated from cabin top (C&C 34) Hey all - Last
week while S.V. Safari was bashing upwind offshore en route to Tofino BC I
noticed that the forward bulkheads were creaking. Upon closer inspection I
realized that they had separated entirely from the cabin top by moving inboard
about 1.5cm. Here’s the port bulkhead: http://imgur.com/Meqa58IAnd here’s the
starboard: http://imgur.com/MIZHoiG The ends of both bulkheads are prevented
from moving farther inward by the termination of the slots in the fiberglass
ceiling that they’re nested in. You can see in the photos that they were at one
point glued in. The bottoms of the bulkheads seem to be very well fiberglassed
in to the hull, and there’s no sign of breakage along the lower parts. The
bulkheads that form the forward walls of the hanging locker and bathroom are
also separated too, by what looks like the same amount. Looking at previous
photos it looks like they’ve been like this since before we bought the boat.
They’re not loose at all, they seem very well set in place. Questions:1. Is
this a common problem?2. How in the world would we fix this?3. How critical is
it to fix this immediately? Were we courting disaster to push the boat hard
offshore? --
Andrew Means
S.V. Safari - 1977 C&C 34 Mk ISeattle, WA
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