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Conference unifix::sailing

Title:SAILING
Notice:Please read Note 2.* before participating in this conference
Moderator:UNIFIX::BERENS
Created:Wed Jul 01 1992
Last Modified:Mon Jun 02 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:2299
Total number of notes:20724

39.0. "Weather Helm" by MKFSA::MONTIVIRDI () Tue Jul 24 1984 13:52

I HAVE A CAPE DORY TYPHOON WHICH SEEMS TO HAVE EXCESSIVE WEATHER
HELM,WHEN THERE IS A GOOD BIT OF WIND IT SEEMS THAT I HAVE TO REALLY 
TRY TO BEAR OFF TO KEEP HER FROM ROUNDING UP INTO THE WIND.  IS
THERE ANYTHING THAT I CAN TRY TO DETERMINE IF IT IS EXCESSIVE OR
JUST ACCEPTABLE.

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39.1MOTHER::BERENSTue Jul 24 1984 14:4025
Some increase in weather helm as the boat heels is normal. However .....

There are a number of things that can be done to reduce weather helm.

1. Rake the mast further forward. On a C&C 26 I once owned raking the 
masthead a few inches forward reduced the weather helm from 
uncontrollable rounding up to just a mild increase.

2. Flatten the mainsail by increasing the tension on the clew with the
outhaul. Move the mainsail draft further forward by increasing halyard
tension. 

3. Reef the mainsail.

4. Trim the mainsail further to leeward using the mainsheet traveler.

5. Make sure the mast stays straight (when looking up the sailtrack) 
under load.

6. Move the headsail draft further forward by increasing halyard 
tension.

7. Beef to the rail!


39.2EVE::P_THAYERTue Jul 24 1984 16:003
Try just letting the main out a bit to spill some air.

39.3SUMMIT::HOGLUNDTue Jul 31 1984 10:494
It,s my experience that the Cape Dory and/or Sea Sprite do have heavy
weather helms. Raking the mast forward should help. Keep the rigging tuned,
and don't overpower the boat. Better to have larger head sail and reduce main.

39.4XCUSME::JOHNSENMon May 08 1989 17:337
    The April issue of SAIL magazine has a good article about balancing
    the helm. There is good detail concerning the physics involved,
    and the effects of different adjustments.
    
    JJ