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skuthorp
03-11-2015, 01:45 AM
From Gavin Atkin's excellent site.

http://intheboatshed.net/2015/03/09/plank-on-edge-sailing-on-film/

shade of knucklehead
03-11-2015, 06:02 AM
Does plank on edge refer to a type of measurement rather than a type of construction?

keyhavenpotterer
03-11-2015, 06:19 AM
It's a style of boat. One that is very narrow for its length and deep: i.e. 'plank on edge'.

It came about because of a rating rule which penalised beam at the time. Racing rules tend to result in distorted boats.

While there is an argument for reducing beam to reduce wave making resistance, the keel ballast doesn't work until an angle of heel is achieved, so this type of boat goes along at an angle which gets waring. Also the narrow entry angle makes them cut through chop at speed. This is fast but potentially wet.

Ed

Peerie Maa
03-11-2015, 01:37 PM
Does plank on edge refer to a type of measurement rather than a type of construction?

Shade, this is an extreme version
http://farm8.staticflickr.com/7198/6900298499_9b5ca310c6.jpg

John B
03-11-2015, 03:54 PM
Sayonara isn't plank on edge, she's much more wholesome than that.