I should add that Vacanti doesn't say anything about the planform either. My fin keel might be more or less susceptible than a high aspect bulb keel.
The point from the Vacanti article is that change of keel section alone corrected that problem so he's saying it was important enough of a...
Planform is fixed. You can run this question forward as in what is the best foil for this particular application, regime, mode, ...? That's the...
Keel and Rudder Design article in Pro Boat Builder. You can find the PDF here: http://www.sponbergyachtdesign.com/Articles.htm
I'm reading Vacanti, Principles of Yacht Design, Marchaj etc in preparation for keel fairing on my Express 37. I'll probably use the 63A012...
Well, there is the P79 with is N2K depth only for about $100. But it is in-hull transducer which wouldn't work for the class rules of my boat.
Ok, I have pored over the Airmar website and talked to their reps and Gemeco. First, Airmar is the de Beers of transducers. They pretty much have...
Airmar makes the CS4500 which is an ultrasonic speed transducer. It uses a frequency of 4.5 MHz. They also make the B22 which is an ultrasonic...
