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post #1 of 5 Old 07-20-2008 Thread Starter
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I33-1, I33-2

Does anybody know the difference? Capn Tom








For the truth is that I already know as much about my fate as I need to know. The day will come when I will die. So the only matter of consequence before me is what I will do with my allotted time. I can remain on shore, paralyzed with fear, or I can raise my sails and dip and soar in the breeze
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post #2 of 5 Old 07-20-2008
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I33-1 I33-2

You might try visiting this website from Irwin Yachts. Irwinyachts.com. Should tell you what you want to know. I have a 1975 Irwin 33 ft myself. This website is where I got a lot of info about my boat. Good luck! Also, if you have the info on your roller furling you might see if you can get a measurement using a extra halyard and compare that to what the info on your furler says. Dont know if that will help or work but maybe someone else here can chime in with some more info. I saw your other post about the mast bend on your boat. I have a furler on mine but I dont know if it would be the same or not.

Terryjoe
Pacific NW
1975 Irwin 33
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post #3 of 5 Old 07-21-2008 Thread Starter
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Mastbow

Terry,
Do you have any problem keeping your mast in column? Have you tuned the rig? How much tension is on your backstay? Thanks, Capn Tom
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post #4 of 5 Old 07-26-2008
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Quote:
Originally Posted by Piratesoul View Post
Terry,
Do you have any problem keeping your mast in column? Have you tuned the rig? How much tension is on your backstay? Thanks, Capn Tom
Capn Tom,
I just recently found some info about how to tune my rigging. I havent done it yet though. I have only owned my boat for about 1 yr so I cant answer your questions. This is my first boat. By column, do you mean the side to side position of the mast? I can check using my main halyard to see if the measurements are the same to each side using a reference point on the deck. That was one of the steps in the tuning instructions I downloaded. As far as my backstay, it is adjustable so looks like I cant help you there either.

Hopefully, someone can give you the info you need!

Terryjoe
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1975 Irwin 33
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post #5 of 5 Old 07-26-2008 Thread Starter
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mast tune

Terryjoe,
I use a Loos tension guage to tune my mast. I start by loosening the whole rigging, except for the forestay because I have roller furling. I tighten the lower and then the upper shrouds. At this point the mast does not bow forward but there is basically no tension on the backstay which bothers me. The really strange part about it is that the bow will begin to appear as I tighten the backstay? Seems bass-ackwards, the mast should begin to rake aft. Capn Tom
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