Peter,

Dwyer sells a 5" boom bail. 

https://www.dwyermast.com/items.asp?cat1ID=40&cat1Name=Hardware&familyID=9&familyName=Bails


All the best,

Edd

-------------------------------
Edd M. Schillay
Starship Enterprise
NCC-1701-B
C&C 37+ | City Island, NY
www.StarshipSailing.com
-------------------------------
914.332.4400  | Office
914.332.1671  | Fax
914.774.9767  | Mobile
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On Jul 19, 2013, at 10:18 PM, "Peter Fell" <prf...@gmail.com> wrote:

My C&C 27 has a mast-step that looks like this:
 
http://imageshack.us/a/img191/407/ubt7.jpg
 
The previous owner had attached the 4:1 purchase boom vang to the 45 degree 
side plate which has resulted in bending the side plate!
 
It was recommended to me to use a boom/mast bail bolted across the vertical 
portion of the mast-step bracket at the aft-most set of holes, with a bolt and 
filler ‘tube’ to avoid compressing the mast step bracket. Or to replace the aft 
mast-retention pin with the same set-up.
 
Dimensions of the mast step (‘vertical’ bracket) are:
 
Outside width = 5 inches
Inside width = 4-1/4 inches
Hole diameter = 7/8 inches
Pin diameter = 5/8 inches
 
2 problems I am finding:
 
1) I can’t find a 5-inch wide bail
2) The larger size bails I have found (maybe 4 inch wide is the largest I’ve 
seen?) use a smaller bolt than 5/8 inches and no meat to drill out the holes in 
them, so there would be a lot of ‘slop’ there.
 
I’m also concerned that if the boom vang can bend that mast-step side plate, 
what’s it going to do to a side-loaded bail and/or the vertical mast-step 
bracket?
 
So ... perhaps a mast tang / hound?  (much as I hate drilling holes in the mast 
... but multiple holes would spread the load).  I have read somewhere that part 
of the side of the standard C&C mast section is thicker  which helps with this 
sort of thing? Can anyone verify? Sorry, didn’t measure the mast width. There’s 
also the sail track there that would complicate a tang / hound installation.
 
By the way, the previous owner also bent the heck out of the through-bolt on 
the boom bail. I’ve replaced that with a new SS bolt
 
Thanks!
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