In 1974 the Lock Crowther designed Kraken 55 was launched from a farm in NSW Australia. It was sailed across the Pacific to Honolulu in 31 days...
Suggest you look at some of the papers here: Resources – Wolfson Unit https://www.wumtia.soton.ac.uk/published-papers-and-articles/?redirect=true...
When Lock Crowther paid for a testing study on capsizing of power multihull's the general conclusion of the study was a power multihull would only...
The following is proof that you can make a cat from anything that has a reasonable hull shape. The Exe dory is a 14 foot rowing dory. Take 2 of...
This about a production cat that has tester using terms like floating motel and floating home. Describes the interior very nicely. The bali 4.4 is...
I am still around but life is getting in the way. See you tomorrow.
Mulkari. If you are going to a professional designer with a plan make sure you have done a weight study. That is the weight of all the materials...
Mulkari. Ondina is a reasonable design but it is over 30 years old. Hull shapes have advanced a lot over that time, even Wharram's have gone from...
SAILGP has confirmed that its new high-speed T-Foils will be added to its entire international fleet of F50s in January 2025, ahead of the ITM New...
Bali catamarans introduced a few years ago (about 2021) an interesting addition. Quote “All our Catana and Bali catamarans will be equipped with a...
John Hitch designed a 50 foot 2 hull cat called "Wired" part of his Hitchhiker range in the 1980's. It is 50 x 36 foot wide with a series of tube...
Mulkari. Are you using Hullform as your hull design software? If so there is a second page which shows for and aft PC and the % from the bow of...
Mulkari. A well drawn shape, do you have any displacement, PC over all and PC for forward and aft sections, center of buoyancy etc This will give...
The jpeg of the underwing is a modification. A standard Spindrift 37/ 40 had a near 90 degree connection at the wing deck hull joint. Look at the...
The follow analysis of a 24 metre (78.7 foot) power trimaran is technical but gives an interesting design/structural insite of an aluminium...