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Go Back   SailNet Community > General Interest > General Discussion (sailing related) > winching up the mast,
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Thread: winching up the mast, Reply to Thread
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Topic Review (Newest First)
01-09-2013 08:27 PM
okapi3
Re: winching up the mast,

If the person ascending the mast can do some of the climbing it will take a lot of work off the winch and person winching.
01-08-2013 11:11 PM
deltaten
Re: winching up the mast,

I found the Hake video very informative. I particularly liked the trick with the bridle cable. I was trying to figure out how to rig something like that up ; but was stuck on "hardware", not "soft-ware" LOL
01-07-2013 05:20 PM
Omatako
Re: winching up the mast,

Quote:
Originally Posted by AirborneSF View Post
I like mast steps, just have a problem with screw points sticking inside of mast, cause with MY luck something is going to get messed up.
I use "blind" rivets, don't know what they're called where you live, could be pop rivets. The Monel 5mm rivets are easily strong enough to hold the weight of a human being, I have used them for years on steps and never had a failure. They have a blunted end inside the mast that will do no damage to sails, halyards or electrics.

The Youtube clip below shows two 5mm Monel rivets fitted in 1.6mm steel plates and tests them to 730lbs before failure. Normally a mast step would be fitted with a minimum of three and mostly 4 rivets and the material thickness of both the mast section and the step material would be thicker than 1.6 so the shear would be enhanced. You would probably have a safety factor of 300% or more depending on the number of rivets used.


Just be sure not to use ordinary aluminium rivets, they're nowhere near as strong as Monel.

Just thought this may help.
01-07-2013 11:13 AM
AirborneSF
Re: winching up the mast,

Good sound advice. Thanks, All!
01-07-2013 10:54 AM
kwaltersmi
Re: winching up the mast,

Lots of good advice in this thread and elsewhere on SN about mast climbing. We ALWAYS use the sheet winch as for the primary, and have used the mast winch for a back-up safety halyard. However, I prefer keeping the deck below the mast clear of people in case of an accident, so using sheet winches for both primary and secondary is preferred.

You can read the details of our technique here: Up the Mast
01-07-2013 10:47 AM
AirborneSF
Re: winching up the mast,

I like mast steps, just have a problem with screw points sticking inside of mast, cause with MY luck something is going to get messed up.
01-07-2013 02:34 AM
Omatako
Re: winching up the mast,

We take three wraps around a halyard winch and then off to the capstan on our horizontal windlass. That way the line is arrested by the halyard winch in the unlikely event that it accidentally jumps off the windlass.

My wife can winch me (130kgs) to the masthead with her big toe on the deck switch and is not standing under me. I have a second halyard to belay myself as I go up.

Coming down is as easy as slipping the halyard on the halyard (mast) winch.

I will, before I go cruising be putting mast steps on because to me this is still the best option.
01-06-2013 11:10 AM
Minnewaska
Re: winching up the mast,

Get a 110v right angle power drill and a winch drill adapter. I've not done it myself, but seems like a cleaver idea.

The Cranker - a S.S. Sailboat Winch Drill Adapter Bit

Be absolutely sure to have a redundant halyard that the climber themselves can arrest an accidental descent. I like the prussic knot tied around a backup fixed halyard.
01-05-2013 08:40 PM
Lake Superior Sailor
Re: winching up the mast,

It is always better to not be under the load!,So pick a winch away from the mast...Dale
01-05-2013 08:30 PM
Faster
Re: winching up the mast,

We've always re-led a halyard to the primary sheet winches, but have friends that do the same to the anchor windlass....
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