I need to replace the o-rings on my Nacra. I've measured the inspection ports (there's ten of them!) and they are 4.5" in diameter. About half are Viking, and the rest are a look alike. Thing is, my google searches only turn up 4" or 5" Viking o-rings. What's the deal?
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Tom
Hobie Getaway, Nacra 5.5, Hobie Tiger
Wish list: A-cat classic, F16 Viper!
Northern California
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Inspection port o-rings
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Posted: Apr 01, 2015 - 01:52 PM
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Posted: Apr 01, 2015 - 02:26 PM
call aps
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ask for ajf
Edited by topcat16 on Apr 01, 2015 - 02:28 PM. -
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Posted: Apr 01, 2015 - 02:51 PM
Wait, you have ten 4 1/2 inch pots? Five in each hull? That seems like a lot.
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Damon Linkous
1992 Hobie 18
Memphis, TN
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Posted: Apr 01, 2015 - 06:10 PM
What exactly are you measuring? I suggest you go to murrays.com and search on access ports. They have a sizing chart which shows you some of the dimensions for the various ports. For example, the top of the lid on a 4" port is actually 4.5" diameter. The opening in the port is 4" diameter.
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Posted: Apr 02, 2015 - 03:16 AM
Yes, I have 10 ports, is quite ridiculous. Six on the port side and four on the starboard side. I'm guessing someone needed a lot of access for repairs, although I can't see evidence of repairs.
I am measuring the o-ring itself, and the recess the o-ring sits in. Definitely 4.5"
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Tom
Hobie Getaway, Nacra 5.5, Hobie Tiger
Wish list: A-cat classic, F16 Viper!
Northern California
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Posted: Apr 04, 2015 - 05:36 PM
If you have odd-size o-rings, you might try an industrial supplier like this :
http://www.mcmaster.com/#o-rings/=wm0q2c
If you scroll down, you'll see they even have o-ring cord, which you just cut to length, and glue the ends together with super glue - It works
Tom -
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Posted: Apr 04, 2015 - 05:59 PM
+1 on the mcmaster suggestion
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Cesar (Cez) S.
Hobie 16 (had a few)
Nacra 5.2 "Hull Yeah"
Vectorworks XJ - A class (not named yet)
West Michigan (Grand Rapids/Holland Area)
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