Modified rigging

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S

Sam

Has anyone ever considered or actually modified their rigging i.e. larger sails, taller mast etc. I have an old Cherub. 25 1976 and I can't see why this relatively light boat with a non-blue-water keel can't go faster than an average of 6 knots! Any stories or ideas are appreciated, thanks. Sam
 
S

Sam

Has anyone ever considered or actually modified their rigging i.e. larger sails, taller mast etc. I have an old Cherub. 25 1976 and I can't see why this relatively light boat with a non-blue-water keel can't go faster than an average of 6 knots! Any stories or ideas are appreciated, thanks. Sam
 

Gene G

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Jun 11, 2004
38
- - Austin, Tx
like kicking out the forestay?

We added a bowsprit and moved the forestay out about 3 1/2 feet. Does that count? http://www.geocities.com/rainbow_chaser.geo/bowsprit.html It got rid of some of the weather helm these boats are famous for, as well as add some sail area.
 

Gene G

.
Jun 11, 2004
38
- - Austin, Tx
like kicking out the forestay?

We added a bowsprit and moved the forestay out about 3 1/2 feet. Does that count? http://www.geocities.com/rainbow_chaser.geo/bowsprit.html It got rid of some of the weather helm these boats are famous for, as well as add some sail area.
 
Jan 22, 2003
744
Hunter 25_73-83 Burlington NJ
Hull speed

By my calculations your 25-ft boat's hull speed should be between 6 and 6-1/4 kts. How fast were you looking to get it to go? JC 2
 
Jan 22, 2003
744
Hunter 25_73-83 Burlington NJ
Hull speed

By my calculations your 25-ft boat's hull speed should be between 6 and 6-1/4 kts. How fast were you looking to get it to go? JC 2
 
Jun 2, 2004
425
- - Sandusky Harbor Marina, Lake Erie
Sails yes, Mast no

At 625 square feet, our asymetric cruising spinnaker more than doubles our sail area. It works great from 60 degrees off the wind (in light air) to a broad reach. A 155 genny has a similar impact if you want to sail close to the wind in light air. (Although our shoal draft model simply doesn't do much better than 55 degrees made good.) A modern mainsail with full battens and a large roach can also add sail area. So I think you can get all the push you need in light winds by talking to a good sailmaker, and coming up with the sails you want. On the other hand, Lady Lillie, a '77 h27 will push hull speed (6.2 knots) in 15 knots of wind with a 110 genny, and the semi full batten main offered by Doyle on this site. We have averaged over 7 knots for an hour or more using this set-up in higher winds, or the asymetric in lower winds. At that speed, we are really getting a thrill, and making time to the next port. If the boat is making over 8 knots in gusts, it is getting ready to round up, or broach - not something to make the crew or captain happy. So we are very happy with our sails, and the options they give us on Lake Erie. I would strongly recommend against changing the standing rigging, or especially against a taller (or shorter rig). The boat is designed and ballasted for the rig it has, and a change would lower its value in my (and the market's ) eyes. A sprit pole to carry the asymetric farther forward would be a good option to really fly on a reach in light air. Otherwise, I think the right sails will give you all the power you need. David Lady Lillie
 
Jun 2, 2004
425
- - Sandusky Harbor Marina, Lake Erie
Sails yes, Mast no

At 625 square feet, our asymetric cruising spinnaker more than doubles our sail area. It works great from 60 degrees off the wind (in light air) to a broad reach. A 155 genny has a similar impact if you want to sail close to the wind in light air. (Although our shoal draft model simply doesn't do much better than 55 degrees made good.) A modern mainsail with full battens and a large roach can also add sail area. So I think you can get all the push you need in light winds by talking to a good sailmaker, and coming up with the sails you want. On the other hand, Lady Lillie, a '77 h27 will push hull speed (6.2 knots) in 15 knots of wind with a 110 genny, and the semi full batten main offered by Doyle on this site. We have averaged over 7 knots for an hour or more using this set-up in higher winds, or the asymetric in lower winds. At that speed, we are really getting a thrill, and making time to the next port. If the boat is making over 8 knots in gusts, it is getting ready to round up, or broach - not something to make the crew or captain happy. So we are very happy with our sails, and the options they give us on Lake Erie. I would strongly recommend against changing the standing rigging, or especially against a taller (or shorter rig). The boat is designed and ballasted for the rig it has, and a change would lower its value in my (and the market's ) eyes. A sprit pole to carry the asymetric farther forward would be a good option to really fly on a reach in light air. Otherwise, I think the right sails will give you all the power you need. David Lady Lillie
 
S

Sam

How fast.

Hello JC2, I am enjoying my JC1 25, however being an ex-catamaran sailor, I'm wondering if I can obtain a bit more speed, maybe a knot or so. It's a beautiful boat in my opinion however it was also built for the average sailor i.e. average ability, (thats me) and I'm sure as it should be, safety of design is a concern JC1 had when designing my boat, bravo! However, I want to be a bit naughty. I want to make my boat a bit faster while making the beta number higher (a Wall St. term that indicates how risky a stock is, the higher the number the riskier the stock).
 
S

Sam

How fast.

Hello JC2, I am enjoying my JC1 25, however being an ex-catamaran sailor, I'm wondering if I can obtain a bit more speed, maybe a knot or so. It's a beautiful boat in my opinion however it was also built for the average sailor i.e. average ability, (thats me) and I'm sure as it should be, safety of design is a concern JC1 had when designing my boat, bravo! However, I want to be a bit naughty. I want to make my boat a bit faster while making the beta number higher (a Wall St. term that indicates how risky a stock is, the higher the number the riskier the stock).
 
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