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Downhaul under spinnaker
by CapriSun. 11/12/20 09:41 AM
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Rooster tails #270007
03/08/14 07:10 PM
03/08/14 07:10 PM
Joined: Aug 2011
Posts: 182
Grafton, NSW
Greg/Debra Offline OP
member
Greg/Debra  Offline OP
member

Joined: Aug 2011
Posts: 182
Grafton, NSW
Hi all,

Sailing yesterday in about 8 knots my rudders were throwing up great rooster tails behind them. I'm sure this is not a good thing. They are JK fibreglass rudders. Any advice about this would be appreciated.

Greg.


1140 Gadfly
1434 J.I.B.E.
1727 Atreus
-- Have You Seen This? --
Re: Rooster tails [Re: Greg/Debra] #270009
03/08/14 09:16 PM
03/08/14 09:16 PM
Joined: May 2011
Posts: 108
Port Hedland
Beckit 1824 Offline
member
Beckit 1824  Offline
member

Joined: May 2011
Posts: 108
Port Hedland
Try moving forward on your boat. It is probably more from the wash around your transom rather than your rudders.
Luke

Re: Rooster tails [Re: Greg/Debra] #270015
03/09/14 09:29 AM
03/09/14 09:29 AM
Joined: Sep 2006
Posts: 586
Hobart, Tasmania, Oz.
Dazz Offline
addict
Dazz  Offline
addict

Joined: Sep 2006
Posts: 586
Hobart, Tasmania, Oz.
check your rudder alignment, they may not be parallel


C2 AUS 222 by Goodall design
"Darph Bobo"
Re: Rooster tails [Re: Greg/Debra] #270210
03/14/14 04:42 AM
03/14/14 04:42 AM
Joined: Apr 2013
Posts: 858
Victoria Australia
Pirate Offline
old hand
Pirate  Offline
old hand

Joined: Apr 2013
Posts: 858
Victoria Australia
Another check is the pintels themselves.
I found on 1182 that they came loose after a days sailing, even a half day in windy or in a large swell would loosen the pintels enough to allow a visible amount of sideways movement in the blades and rudder cases themselves.

I changed the nuts over to ny-lock style nuts and still had issues for several more races
crazy
I eventually added a 1.5mm stainless plate with 2 holes for the bolts in each pintel and discarded the washers in an attempt to tighten it up.... this did help considerably but it wasn't until I went up a size in the bolts that I saw some relief in sight


Now after several months everything seems to have settled down and the pintels aren't coming loose any more

I think the culprit may have been a dry transoms that got wet and expanded then dried then wet etc etc etc and the bolts were simply crushing the timber as each re-tightening was performed.
Something related to an older boat that's been sitting around in the weather for an extended period.... sound familiar wink

stab in the dark but if all the other suggestions fail ......

wink


Yar, & this ere post be done without a sin'le drop o' rum passin' me lips

Kingy
started with Impara Cadet #3 / Mosquito #245
& now Mosquitos #1182 & #1740


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