Friday, February24, 2017


Articles for L-36 Owners


This is an email exchange between L-36 owners on the subject of insurance. My interest perked up as a result of the Eventide collision

Tuning the rigging

A letter by Bill Lapworth on how to tune a Cal-36,and the instructions he put in most of the early Cal boat manuals including the Cal-40.

Boat of the Month (L-36)

Latitude 38 Boat of the Month article on the Lapworth 36

Chariman Bob's list of concerns about L-36s

This is a must read for any L-36 owner. I have addressed many of these and checked on most of the others. The next thing that gets me will probably be something on this list I didn't treat with enough respect. These concerns apply to many boats, not just L-36s.

From Odin Braathen

Friend of the site, Odin Braathen, writes us with some histroy on some of the boats.

Swiftsure (1959-1970)

Swiftsure race results and some L36 pertinent excerpts from a book on the early years of the Swiftsure race.

L-36 Class History

Some history of the L-36 class from Skip Allan

Remembering Bill Lapworth

PDF Reprint of an article from 2006 remembering Bill Lapworth.

Remembering Chairman Bob

Remembering Chairman Bob

What is the handicap of an L-36?

Well, it depends on where you race. If there is a lot of wind, you have a low handicap. If there isn't a lot of wind, you have a high handicap. Your results may follow this trend as well. When there is a lot of wind, you win. When the wind is light, you lose.


The question came up about repowering an L-36. Discussion follows the jump.


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The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.