• Announcements

    • Zapata

      Abbreviated rules   07/28/2017

      Underdawg did an excellent job of explaining the rules.  Here's the simplified version: Don't insinuate Pedo.  Warning and or timeout for a first offense.  PermaFlick for any subsequent offenses Don't out members.  See above for penalties.  Caveat:  if you have ever used your own real name or personal information here on the forums since, like, ever - it doesn't count and you are fair game. If you see spam posts, report it to the mods.  We do not hang out in every thread 24/7 If you see any of the above, report it to the mods by hitting the Report button in the offending post.   We do not take action for foul language, off-subject content, or abusive behavior unless it escalates to persistent stalking.  There may be times that we might warn someone or flick someone for something particularly egregious.  There is no standard, we will know it when we see it.  If you continually report things that do not fall into rules #1 or 2 above, you may very well get a timeout yourself for annoying the Mods with repeated whining.  Use your best judgement. Warnings, timeouts, suspensions and flicks are arbitrary and capricious.  Deal with it.  Welcome to anarchy.   If you are a newbie, there are unwritten rules to adhere to.  They will be explained to you soon enough.  

Archived

This topic is now archived and is closed to further replies.

phrfwanker

J92 vs J92s

Recommended Posts

The 92 can take an overlapping headsail, the shrouds on the S go to the gunwhale. I used to sail my 92 with just a #3 but for sure in lighter air a boat with a genoa would outperform adjusted for handicap (under IRC). Both boats go pretty well in light air.

Share this post


Link to post
Share on other sites

The 92 can take an overlapping headsail, the shrouds on the S go to the gunwhale. I used to sail my 92 with just a #3 but for sure in lighter air a boat with a genoa would outperform adjusted for handicap (under IRC). Both boats go pretty well in light air.

 

 

A 92s is generally about 12 sec faster under PHRF than a 92. 92 actually has slightly more upwind sail area than the 92s plus can carry a 155 genny that the 92s can't. So upwind the 92 should beat a 92s to the upwind mark in light air. Downwind the 92s carries a much bigger masthead asym, where as the 92's asym is smaller (frac rig), so the 92s should be faster downwind in light air. Given that you always want to be first to the upwind mark, and that you'll spend more time going upwind than down, in the end they might end up pretty evenly matched...

Share this post


Link to post
Share on other sites

Also a slightly deeper and lower COG keel, larger cockpit and larger rudder, rudder uses proper bearing as well I think, different backstay arrangement as well i think and also a mainsheet with fine and coarse purchase, the S uses a Volvo 13hp sail drive rather than a 10hp yanmar with a shaft drive

Share this post


Link to post
Share on other sites

Also a slightly deeper and lower COG keel, larger cockpit and larger rudder, rudder uses proper bearing as well I think, different backstay arrangement as well i think and also a mainsheet with fine and coarse purchase, the S uses a Volvo 13hp sail drive rather than a 10hp yanmar with a shaft drive

 

 

Those are all good things, but many of them are of less import in light air (lower keel COG, deeper rudder, backstay, and fine/coarse tune)....

Share this post


Link to post
Share on other sites

Also a slightly deeper and lower COG keel, larger cockpit and larger rudder, rudder uses proper bearing as well I think, different backstay arrangement as well i think and also a mainsheet with fine and coarse purchase, the S uses a Volvo 13hp sail drive rather than a 10hp yanmar with a shaft drive

 

 

Those are all good things, but many of them are of less import in light air (lower keel COG, deeper rudder, backstay, and fine/coarse tune)....

The keel is a narrower and more efficient in shape, the keel is more similar to the 109's and the standard 92 is more like the 105 so the S has a keel better suited for light air. The higher aspect ratio rig has more sail area and a taller mast which ads to the light airs performance.

Share this post


Link to post
Share on other sites

Also a slightly deeper and lower COG keel, larger cockpit and larger rudder, rudder uses proper bearing as well I think, different backstay arrangement as well i think and also a mainsheet with fine and coarse purchase, the S uses a Volvo 13hp sail drive rather than a 10hp yanmar with a shaft drive

 

 

Those are all good things, but many of them are of less import in light air (lower keel COG, deeper rudder, backstay, and fine/coarse tune)....

The keel is a narrower and more efficient in shape, the keel is more similar to the 109's and the standard 92 is more like the 105 so the S has a keel better suited for light air. The higher aspect ratio rig has more sail area and a taller mast which ads to the light airs performance.

 

Good points...though according to J/boats own site the 92s has 505 sq ft of sail area (100%) and the 92 has 526 sq ft (100%). Rig dimensions do show 92s rig being taller and boom longer. So 92s should have more sail area. Sailboatdata.com shows 92 with only 470 sqft and 92s with 505. So I think maybe an error on the J/Boats page for the 92...maybe its showing SA (@ 526 sqft) for a 155 Genny and its mis labled as the 100% SA

Share this post


Link to post
Share on other sites

The 92 standard seemed to go really quick VMG footed off just a bit.

 

Does the 92s sail higher with the different sail plan, mast, keel, erm rudder making a benefit to height and overall VMG?

Share this post


Link to post
Share on other sites

Blimey, you wait for months for a Damp Freddie then three come along at once. Have you been trapped inside a trouser press?

Share this post


Link to post
Share on other sites

I have been a tramline free man for several years now Dogwatch!

 

doing a bit of classics ( worlds oldest 8m this summer) and teaching the feva group.

 

I remember "computer centre" from Dublin mashing its way through the smegma 33 fleet I was in, going way fast and way low, but with amazing light air VMG: i mean especially because those Irish guys were not afraid of a pie and a guinees or 12.

 

They were allowed to sail SBR at tarbert which was a pincy-wincy little bit unfair IMHO.

Share this post


Link to post
Share on other sites

Also a slightly deeper and lower COG keel, larger cockpit and larger rudder, rudder uses proper bearing as well I think, different backstay arrangement as well i think and also a mainsheet with fine and coarse purchase, the S uses a Volvo 13hp sail drive rather than a 10hp yanmar with a shaft drive

 

 

Those are all good things, but many of them are of less import in light air (lower keel COG, deeper rudder, backstay, and fine/coarse tune)....

The keel is a narrower and more efficient in shape, the keel is more similar to the 109's and the standard 92 is more like the 105 so the S has a keel better suited for light air. The higher aspect ratio rig has more sail area and a taller mast which ads to the light airs performance.

 

Good points...though according to J/boats own site the 92s has 505 sq ft of sail area (100%) and the 92 has 526 sq ft (100%). Rig dimensions do show 92s rig being taller and boom longer. So 92s should have more sail area. Sailboatdata.com shows 92 with only 470 sqft and 92s with 505. So I think maybe an error on the J/Boats page for the 92...maybe its showing SA (@ 526 sqft) for a 155 Genny and its mis labled as the 100% SA

 

indeed, calculating from P,E,I,J data on the same page : 100% SA = P*E/2+I*J/2 = 470 sq ft therefore 526 should be the value with the large genoa

Share this post


Link to post
Share on other sites