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post #23 of Old 10-24-2017
TQA
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Re: Large Blister on Oday 31 Rudder

Quote:
Originally Posted by eherlihy View Post
I have about 10-feet of 3/8" OD clear vinyl tube from the local big box store (about $3). I am not 100% sure of the length, but you could simply measure from the cockpit to the bottom of the rudder, multiply that by 2, and then add the length necessary to go from the rudder post to the cockpit coaming. Add a couple of more feet if unsure.

I feed/drop the tube all the way to the bottom of the rudder post, and over the coaming, and toward the ground. While standing on the ground I apply a vacuum to the end (I have also used the faucet to push water through the hose, and into the rudder) to get the siphon started. Then I wash out my mouth with clear water (not necessary if I used the faucet).



In the past, I have drained over a gallon.

I did not bother to siphon the rudder post out this year (I may still change my mind), as I noticed that the rudder was full of antifreeze.
That will work if the rudder is hollow. Rudders are almost never hollow, they are full of foam.

As I said you have to drill a hole in the bottom [ use a battery drill] and see how much comes out. a cup is OK more than a quart and you need to have a look inside.

A little Marine tax will fill the hole.
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