Mast Horn Cleat

Thread starter #1
I see that many newer Sunfish have a horn cleat on the starboard side of the mast.

My older rig does not have one. Is that something I need to add?? If so, what is the best way for me to attach it to the mast? Aluminum Pop Rivets? Screws?
 

JohnCT

Active Member
#2
I used screws for mine.

You don't "need" to add one, the advantage is it takes the halyard load off the deck and makes it easier to tie the tail end as a vang to keep the lower spar down going down wind.

Something from the race community
 

L&VW

Well-Known Member
#5
I see that many newer Sunfish have a horn cleat on the starboard side of the mast. My older rig does not have one. Is that something I need to add?? If so, what is the best way for me to attach it to the mast? Aluminum Pop Rivets? Screws?
Having had a mast snap at 14" above the deck, I hesitate to drill holes in the mast. Has anyone used 3M 5200 adhesive for this purpose?

Some find it difficult to work with. :p

 
#8
I used screws, and like JohnCT, put it as high up off the deck as possible. I used the 3M 4200 sealant behind the cleat, and fastened it on with #10 stainless steel sheet metal screws – I had to pre-drill the mast with small pilot holes.

this picture is a good diagram of where to put it, as well as other rigging information.
 
#12

mixmkr

Active Member
#13
If you put the cleat too high, you won't be able to reach it in waist deep water. You might consider that too. Lastly I think two properly drilled holes with screws will not be the weak area in a Sunfish mast.
 
#16
a lot of breeze and probably just old. However, it did snap at the exact place where the horn cleat was. I agree with someone above that said it should be at least 4 feet off the deck...
 

beldar boathead

Well-Known Member
#18
a lot of breeze and probably just old. However, it did snap at the exact place where the horn cleat was. I agree with someone above that said it should be at least 4 feet off the deck...
If you are going to race check the Sunfish rules. There is some type of rule about where the mast cleat can go.
 
#19
As beldar says

One cleat of any type may be installed on the mast not more than four (4‟) feet from the base, for cleating the line used to tie the „Jens Rig‟ (Ref. Rule 3.7.3). It may also be used to cleat the halyard. If utilized, there must be some means to securely attach the rig to the hull using the end of the halyard.
 

L&VW

Well-Known Member
#20
a lot of breeze and probably just old. However, it did snap at the exact place where the horn cleat was. I agree with someone above that said it should be at least 4 feet off the deck...
Any "insult" to the mast can be expected to cause trouble.

My mast broke in a very strong wind; however, I couldn't find any significant corrosion at the break site. (No different there, than the rest of the mast). I suspect that an overloaded mast can break at roughly the same location on any Sunfish. If an "insult" (corrosion- or drilled-hole) is added, expect that hole to be the site of a break. Higher cleats would be safer for the mast.

Later Sunfish were equipped with an internal sleeve, which can be retrofitted.
P6100039.JPG
(This mast had no cleat).

.
 
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