Cruisers Forum
 


Join CruisersForum Today

Reply
 
Thread Tools Rate Thread Display Modes
Old 17-02-2010, 12:27   #1
Registered User
 
UnlikelyVoyager's Avatar

Join Date: Dec 2009
Location: Huntington Station, NY
Boat: Tom Gilmer designed "Blue Moon"
Posts: 156
Send a message via AIM to UnlikelyVoyager
Self-Hoisting Up the Mast...

I'd like to be able to get to the top of my fairly short mast (about 25' from deck), without having to depend on a grinder. I'm going to do a 1500 mile single handed trip up the coast, and I'd like to be able to get up to the top by myself, if necessary.

I've heard that if you rig a 6-part block and tackle to the top of the mast (hoisting up one end with a halyard), that you can pull yourself up in a bosun chair.

Although I understand the theory (the 6 part B&T should allow me to hoist my 180 lbs up the mast by pulling down with a 30 lb pull), it sounds too good to be true.

Anyone have personal experience with this type of rig?

- John
__________________

__________________

Check out my blog: UnlikelyBoatBuilder.com
UnlikelyVoyager is offline   Reply With Quote
Old 17-02-2010, 12:41   #2
sitting on the dock of the bay

Join Date: Mar 2006
Posts: 1,513
Images: 6
Send a message via Yahoo to gonesail
sure it works but it takes a lot of line .. i saw a guy do it at my marina.
__________________

__________________
sometimes the things that may or may not be true are the things a man needs to believe in the most.
gonesail is offline   Reply With Quote
Old 17-02-2010, 12:42   #3
Registered User
 
DaveC's Avatar

Join Date: Oct 2009
Location: Melbourne, Florida
Boat: Belliure Endurance 35
Posts: 124
Send a message via Yahoo to DaveC
Next time you're out sailing in a brisk breeze and have to haul in your main sheet, first try to bring the boom in by hand at the same place it attaches to the sheet. Then do it with your sheet. Providing your sheet is on a 4-block tackle you'll begin to see.
__________________
DaveC is offline   Reply With Quote
Old 17-02-2010, 12:56   #4
Registered User

Join Date: Jul 2008
Location: Vancouver Island
Boat: 27ft catalina
Posts: 492
personally i wouldnt waste the time to setup a block and tackle. i climb up my mast all the time just using my climbing harness and a couple of climbing slings setup one as a prussic line on the main harlyard. another as a safety prussic on the spinaker halyard. works great easily setup
__________________
michaelmrc is offline   Reply With Quote
Old 17-02-2010, 12:58   #5
Registered User

Join Date: Jul 2008
Location: Vancouver Island
Boat: 27ft catalina
Posts: 492
how to tie a prussik knot

Quote:
Originally Posted by michaelmrc View Post
personally i wouldnt waste the time to setup a block and tackle. i climb up my mast all the time just using my climbing harness and a couple of climbing slings setup one as a prussic line on the main harlyard. another as a safety prussic on the spinaker halyard. works great easily setup


How to Make a Prusik Knot
__________________
michaelmrc is offline   Reply With Quote
Old 17-02-2010, 13:02   #6
Registered User
 
2ndstar's Avatar

Join Date: Feb 2009
Location: Norfolk, VA
Boat: Herreshoff 45 Second Star
Posts: 46
While a block and tackle may work, you would need about 140' of line at 6:1. You would also have some friction losses so the pull would likely be 35lbs or more. Personally, I think I'd be pretty tired after pulling 135' of line with a 35lb pull. Then there needs to be a very secure way to cleat the line when you reach the top.

Have you considered one of the mast climbing systems where you use your legs? I use a mitchell rope walking system to climb my 60 foot mast which requires about the same effort as climbing a ladder. There's also the frog system like "Top-Climber".

Regards, Carl
__________________
2ndstar is offline   Reply With Quote
Old 17-02-2010, 13:31   #7
Registered User

Join Date: Nov 2008
Location: Tampa Bay
Boat: Nor Sea 27'
Posts: 202
I have used a 6 to 1 block and tackle to haul myself and about 25 pounds of tool up masts for many years. I weigh about 200 lbs and am over 50 yo.
On a taller mast, I do have to pause once or twice on the way up simply because of how much line I have to haul. For a 25' spar it would be easy.
I would not recommend using anything smaller than 7/16" diameter line because of the grip. It is simple to tie yourself off where the bottom block hooks into your chair.

I've seen people use the top climbers and such. There's nothing wrong with them except that they never seem to be able to carry much with them and they don't seem to allow one the freedom to move around the mast as well as just hanging from a halyard.
__________________
WIKIJAR
knothead is offline   Reply With Quote
Old 17-02-2010, 13:36   #8
Registered User
 
svHyLyte's Avatar

Join Date: Mar 2006
Location: Tampa Bay area, USA
Boat: Beneteau First 42
Posts: 3,434
Images: 25
It would be much easier to use something like a Top-Climber. Watch the video at ATN Video Library .

FWIW...
__________________
"It is not so much for its beauty that the Sea makes a claim upon men's hearts, as for that subtle something, that quality of air, that emanation from the waves, that so wonderfully renews a weary spirit."
svHyLyte is offline   Reply With Quote
Old 17-02-2010, 14:34   #9
Registered User

Join Date: Dec 2009
Posts: 3,016
Images: 4
If you go the tackle route buy the largest diameter blocks you can stand because of the greatly reduced *running* friction induced into the system. With any system use a halyard pulled bar tight to the deck to hold your harness or chair near the mast.
__________________
daddle is offline   Reply With Quote
Old 17-02-2010, 15:12   #10
Registered User
 
UnlikelyVoyager's Avatar

Join Date: Dec 2009
Location: Huntington Station, NY
Boat: Tom Gilmer designed "Blue Moon"
Posts: 156
Send a message via AIM to UnlikelyVoyager
Quote:
Originally Posted by knothead View Post
I have used a 6 to 1 block and tackle to haul myself and about 25 pounds of tool up masts for many years. I weigh about 200 lbs and am over 50 yo.
On a taller mast, I do have to pause once or twice on the way up simply because of how much line I have to haul. For a 25' spar it would be easy.
I would not recommend using anything smaller than 7/16" diameter line because of the grip. It is simple to tie yourself off where the bottom block hooks into your chair.

I've seen people use the top climbers and such. There's nothing wrong with them except that they never seem to be able to carry much with them and they don't seem to allow one the freedom to move around the mast as well as just hanging from a halyard.
Great. And thanks for the tip on the size of the line. Do you do anything to prevent a fall in case the hauling line slips out of your hands?
__________________

Check out my blog: UnlikelyBoatBuilder.com
UnlikelyVoyager is offline   Reply With Quote
Old 17-02-2010, 15:16   #11
Registered User

Join Date: Jul 2008
Location: Vancouver Island
Boat: 27ft catalina
Posts: 492
ive never had any problems carrying tools rope etc up the mast with me. just load up my haul bag and clip it to my harness.
__________________
michaelmrc is offline   Reply With Quote
Old 17-02-2010, 15:20   #12
Registered User

Join Date: Nov 2008
Location: Tampa Bay
Boat: Nor Sea 27'
Posts: 202
Quote:
Originally Posted by UnlikelyVoyager View Post
Great. And thanks for the tip on the size of the line. Do you do anything to prevent a fall in case the hauling line slips out of your hands?
I have a safety strap that I encircle the mast with when I get to where I need to work, but that's about it.
I have never had the line slip out of my hand though I have experimented and let go the line. All you have to do is grasp the six parts of the tackle which are right in front of you and you can stop your fall in a heartbeat.
__________________
WIKIJAR
knothead is offline   Reply With Quote
Old 17-02-2010, 15:51   #13
Registered User
 
Aussiesuede's Avatar

Join Date: May 2008
Location: Vancouver, BC & Seattle, WA
Posts: 641
Mast Mates work very well. You hoist it up on your mainsail track, then just climb up like a ladder. Simple and secure...


Flexible, portable mast climbing ladder made of nylon webbing which attaches to any sail tra
__________________
I'm On point, On task, On message, and Off drugs. A Streetwise Smart Bomb, Out of rehab and In denial. Over the Top, On the edge, Under the Radar, and In Control. Behind the 8 ball, Ahead of the Curve and I've got a Love Child who sends me Hate mail. - (George Carlin)
Aussiesuede is offline   Reply With Quote
Old 17-02-2010, 16:01   #14
Registered User
 
UnlikelyVoyager's Avatar

Join Date: Dec 2009
Location: Huntington Station, NY
Boat: Tom Gilmer designed "Blue Moon"
Posts: 156
Send a message via AIM to UnlikelyVoyager
Quote:
Originally Posted by michaelmrc View Post
personally i wouldnt waste the time to setup a block and tackle. i climb up my mast all the time just using my climbing harness and a couple of climbing slings setup one as a prussic line on the main harlyard. another as a safety prussic on the spinaker halyard. works great easily setup
I was just looking at the prussic knot/rope harness system in "The Riggers Apprentice" (pp 260-261).

That does look like a good, inexpensive system for occasional trips up the mast.

Even better, it doesn't take any storage space, which is in short supply on my 23' yawl.

A climber's harness would be more comfortable than the rope harness... I think I'll make one of those rope harnesses and see how painful it is to be suspended from one.

Thanks for the tip!

-- John
__________________

Check out my blog: UnlikelyBoatBuilder.com
UnlikelyVoyager is offline   Reply With Quote
Old 17-02-2010, 16:03   #15
Registered User
 
UnlikelyVoyager's Avatar

Join Date: Dec 2009
Location: Huntington Station, NY
Boat: Tom Gilmer designed "Blue Moon"
Posts: 156
Send a message via AIM to UnlikelyVoyager
Quote:
Originally Posted by knothead View Post
I have a safety strap that I encircle the mast with when I get to where I need to work, but that's about it.
I have never had the line slip out of my hand though I have experimented and let go the line. All you have to do is grasp the six parts of the tackle which are right in front of you and you can stop your fall in a heartbeat.
Ah, I see. That makes sense.

I imagine I'd be holding onto that line with a death grip, anyway, so chance of letting go is pretty slim
__________________

__________________

Check out my blog: UnlikelyBoatBuilder.com
UnlikelyVoyager is offline   Reply With Quote
Reply

Tags
mast

Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Mast Hoisting 101 kcmarcet General Sailing Forum 15 03-09-2009 16:17
Get Down, Mast, Get Down! cherrick Deck hardware: Rigging, Sails & Hoisting 1 19-07-2009 06:00
going up the mast shellback Deck hardware: Rigging, Sails & Hoisting 14 10-09-2008 17:49
Retrofitting a wood mast vs current metal mast grefark Deck hardware: Rigging, Sails & Hoisting 7 07-09-2008 22:44
Need a mast vicman Classifieds Archive 8 26-05-2008 14:34



Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -7. The time now is 13:59.


Google+
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Social Knowledge Networks
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.

ShowCase vBulletin Plugins by Drive Thru Online, Inc.