Jib or Genoa on 1994 Hunter 29.5?

Jun 11, 2020
32
Hunter 29.5 Northport
Second year with the boat and we are going to replace her original sails. Currently has a jib, but thinking of going with a 135% genoa. However, I thought I read somewhere that because of the B&R rig with the aft spreaders a jib is better. Any thoughts?

-Kyle
 
Feb 21, 2013
4,638
Hunter 46 Point Richmond, CA
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jssailem

SBO Weather and Forecasting Forum Jim & John
Oct 22, 2014
23,177
CAL 35 Cruiser #21 moored EVERETT WA
Currently has a jib, but thinking of going with a 135% genoa.
Hi Kyle. Congrats on your boat.
I know you will find new sails a real boost for your sailing experience.

With regard to the choices, I am speaking with the knowledge and experience of a Masthead owner, not a fractional rig owner like your Hunter 29.5.

Masthead rigged boat benefit from the big genoa. Not so much for the fractional rigged boat.
Here is a quote from a "Hunter 29.5 Review".
The sail area has been concentrated in the mainsail, and without a backstay to get in the way, the roach has gone wild. The extra roach area gained in the mainsail has been taken out of the headsail, leaving a small easily tacked jib. An asymmetrical spinnaker, very efficient for reaching but not so sparkling on a run, is set from a retractable pole.
That leads me to believe there may not be a significant improvement in sail efficiency by investing in a larger foresail (135% genoa). Better would be to look at a 100% Jib and the best sail size for the Main. The added roach of a flat head sail might be a design that provides more power. Note that the sail plan (size, shape, placement) needs to also consider the design for the hull, keel, and rudder. By increasing the Foresail size you may be contributing to leeward helm when the wind gusts. This would inhibit control. You would be reefing the genoa early creating a less efficient sail and actually hurting the boat performance.

These are not absolutes. They are thoughts and questions I would explore in trying to get the most bang for my buck.

I would consider an Asymmetrical sail for those lighter wind days when you want to reach at optimum speeds.

Good luck with your quest.
 
Jan 1, 2006
7,600
Slickcraft 26 Sailfish
Having a jib is an attribute of the B & R rig. It is easily tacked. You can't say that about a 150 on a masthead boat. I would be reluctant to give that up. Maybe if I had to contend with light wind consistently. With your rig I would concentrate on getting a large roached main sail.
 

Joe

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Jun 1, 2004
8,199
Catalina 27 Mission Bay, San Diego
Don't do it. But.... talk to a legit sailmaker to understand why.
 
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Sailm8

.
Feb 21, 2008
1,750
Hunter 29.5 Punta Gorda
I have a 29.5 and talked with my sail maker(Mack) about a larger head sail and he said no. Got to respect his opinion. Bought a 110 and very pleased.