Download it here. The app is searchable in the Google Play Store under Sailboat Owners.
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When I was younger, I would often go up the mast under my own power, with the wife standing by to catch me . I used a climbing rig, made by ATN I believe, that used hardware similar to what mountain climbers use. I would sit in the bosun's chair and push up on web stirrups to lift myself, and the jam cleat thingy would hold me, and then i would repeat until I reached the mast head. Time consuming, but effective.All great info here. I’ve been looking at all the different options and to me a block and tackle system seems the best bet for going up solo. As long as you have safety lines rigged and know how to get yourself up and down.
I have a self climbing rig 5:1 with ratcheting blocks at the bosun chair so that when you are pulling yourself up, there is no downward slippage as you change your grip to pull again, flip the switch on the ratcheting blocks to let yourself down. Been to the top of a 47’ mast... no problem. Except I was pretty wiped when I got my fat but up there, I had to rest a while before I could work!All great info here. I’ve been looking at all the different options and to me a block and tackle system seems the best bet for going up solo. As long as you have safety lines rigged and know how to get yourself up and down.
I have been a rock climber for many years. Good technique requires two (and preferably three) independent anchor points and a rope protected from weakening by dirt and ultraviolet. Ascending a mast using a halyard falls short of these standards.There is a climbing term you should know... " On Belay"...
So you are basically free to swing around and slam into the mast or out around a shroud, because both your feet and arms are occupied?My text did't attach... So, top pic is the climbing board showing foot cut outs, eye bolt above cam cleat and eye bolt bottom of board. 2nd pic is the width. Spaced with spare composition deck boards ripped down. This doubling adds stability AND protects the mast from the bolt threads. Last pic is a foot in the board.
How it works: Run a line ( halyard) thru the top eyebolt , into the cam cleat and thru the bottom eye bolt. Make the line fast and taut .Sit in a bosun chair with feet in cutouts of board. Lift the board with feet.Stand up and take up the slack in chair. SIT, raise feet again, stand, take up the chair slack, sit, raise board with feet....
You are using your legs to ascend the mast.
I've got a lot more faith in my ability to get myself aloft safely that asking some kid or neighbor to help me, thank you very much. There's about a zero failure possibility on a properly built block & tackle rig, but trusting others, especially strangers????There is a climbing term you should know... " On Belay"...
Trying to be polite here... Only a....risk taker would go up alone....
Funny, my halyards take the strain of a 77,000 # boat being pulled or pushed along by the wind and you don't consider them safe to take a 240# man aloft? Interesting math. A lot more climbers die than sailors who go aloft.I have been a rock climber for many years. Good technique requires two (and preferably three) independent anchor points and a rope protected from weakening by dirt and ultraviolet. Ascending a mast using a halyard falls short of these standards.
I have used a prusik wrap on the mast itself as an independent anchor. I use 1inch tubular, climbing spec, webbing tied into a loop with a water knot to wrap a prusik around the mast that is clipped to my harness with a locking carabiner. You'll need a second webbing loop to pass the spreader.
The webbing prusik grips the mast securely and provides an independent backup.
Next time you go aloft with the help of others, considering fairleading the line to the windlass. That's the safest, fastest and easiest way to take someone aloft.I would not want to use a 3:1 tackle. I have used a 4:1 which was made with a double block at the top and a single block with becket at the bottom. on my 42' mast I needed 4x45' = 180" minimum but I had 200'. The line was 3/8" three-strand but any line that is easy to grip will work. It does not need to be low stretch because once all of your weight is on it, there is no more stretching's so with 4:1, every foot you pull down will lift you 3".
The line was pulled downward to raise the user and with 4-parts that means that the pull to lift was about 25% (minus some friction loss). It also had a cam cleat that was shackled to the chair to secure the line at any point although it was hard to use. I always used it with my wife on the safety halyard. She would keep the slack out of the safety line so that if I lost my grip on the hoist line I was still secure. I needed to do a two handed downward pull to raise my self and then regrip. If there were three on the boat, the third person could help me by pulling on the tail and then we could just pull me up hand-over-hand with my wife keeping the safety line slack free.