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Go Back   SailNet Community > On Board > Gear & Maintenance > Masthead spinnaker bail, could this work?
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Thread: Masthead spinnaker bail, could this work? Reply to Thread
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Topic Review (Newest First)
01-14-2014 04:43 PM
knuterikt
Re: Masthead spinnaker bail, could this work?

Quote:
Originally Posted by Reefpoints View Post
It's 316, made by fastenal.

Before the overwhelming consensus to ditch this approach, I was thinking that I may have work-hardened it by bending it or perhaps I should just go 1 size thicker, 3/8" instead of 5/16". It seems that since the masthead has the convenient little "ears" to bolt into, why not use them.

Now, I think I may grind those ears off. That way I could easily fit an upside-down U-channel made of stainless to get a solid 2" or 2.5" of extension.
I you want to increase the distance between the stay and the spinnaker block I would suggest a upside down T or a right side U.
You need to have an attachment point well aft on the masthead if you are going to extend it forward. The ribs on the side of the masthead fitting would interfere with a upside down U.



Here is a picture of my spinnaker crane


Top view


The old spinnaker crane, I don't think it was bent like this when new..
01-14-2014 04:11 PM
Reefpoints
Re: Masthead spinnaker bail, could this work?

Quote:
Originally Posted by mike dryver View Post
I would not cut/grind the ears off. You may need them later! Just add a top strap to the crane of sufficient size. to take the Spinnaker halyard block!
I don't understand, What do you mean by "add a strap"?

Do you mean I go ahead with a (larger 3/8") u-bolt and weld a length of steel to the round end of the u-bolt and screw the other end into the top of the masthead?
01-14-2014 03:29 PM
mike dryver
Re: Masthead spinnaker bail, could this work?

I would not cut/grind the ears off. You may need them later! Just add a top strap to the crane of sufficient size. to take the Spinnaker halyard block!
01-14-2014 03:04 PM
Reefpoints
Re: Masthead spinnaker bail, could this work?

Quote:
Originally Posted by zz4gta View Post
What is the u-bolt made out of? What type of stainless?
It's 316, made by fastenal.

Before the overwhelming consensus to ditch this approach, I was thinking that I may have work-hardened it by bending it or perhaps I should just go 1 size thicker, 3/8" instead of 5/16". It seems that since the masthead has the convenient little "ears" to bolt into, why not use them.

Now, I think I may grind those ears off. That way I could easily fit an upside-down U-channel made of stainless to get a solid 2" or 2.5" of extension.
01-14-2014 02:27 PM
zz4gta
Re: Masthead spinnaker bail, could this work?

What is the u-bolt made out of? What type of stainless?
01-14-2014 09:31 AM
Reefpoints
Re: Masthead spinnaker bail, could this work?

Quote:
Originally Posted by ctl411 View Post
A piece of u channel or T beam bolted to the top would be a easy way to get the height and extension you want.
Wow - that's a great idea - thank you!
01-14-2014 08:52 AM
ctl411
Re: Masthead spinnaker bail, could this work?

A piece of u channel or T beam bolted to the top would be a easy way to get the height and extension you want.
01-14-2014 08:45 AM
Reefpoints
Re: Masthead spinnaker bail, could this work?

Got it.

It seems most of the cranes I've seen (for my width of masthead) only extend about 1.5". I was hoping to get more separation, but I'll go with a standard crane.

Thank you all!
01-14-2014 03:23 AM
newhaul
Re: Masthead spinnaker bail, could this work?

I agree with the others. It will fail fairly quickly. Hook a line on it with a loop and stand on it bounce a couple times it will start bending back or break. Get a proper spinnaker crane and do it the correct safe way. While on the bench not after it fails while underway
01-14-2014 02:46 AM
Faster
Re: Masthead spinnaker bail, could this work?

Agree that's gonna bend in the first big puff...
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