I am currently trying to get a Mark IXB ready for some vintage racing.
that would be scaffold plank, even I would know not to sail with a scaffold pole!
I'll be checking to make sure you're not sticking wings on it!
I thought as long as we called them fences they were allowed :-)
The rudder for my XII is 35 inches...I am launching the boat at Hampton this weekend for the 1st time..so if it is too short....
The answer is complex, if you go to the link below you'll find that there are whole groups of people discussing profles and sections.
The simple answer is to have both.
That's exciting Mike, sorry I won't be there to see it as I'll be in Wales fishing for mackrel. The plan is to have mine ready for the Hampton Vintage regatta and silver tiller at the start of September.
Nothing wrong with a Jon Turner rudder. The shape is very similar to the Winder one without the little beak at the tip for catching the weed
Don't you have to be going backward to catch the weed on the beak :-)