Hi, I was curious to know what aspiring engineers and navigators thought about renewed forms of propulsion. Especially, Magnetohydrodynamics and...
Hello everyone, I have built a waterbike with foils and have tested it on the water, but my 16(diameter)*10(pitch) inches aircraft propeller seems...
Hello there, As I'm working on Holtrop resistance prediction method, I would like to know how to find the Angle of entrance value. I have used the...
hi everyone I am doing research over the model testing facilities in india. i have few doubts regarding it 1.Use of wake test with help of wake...
Dear all, I am trying to estimate the resistance added from a bulb on a sailing yacht in upright resistance. I have bare hull resistance...
What would be an ideal gear ratio for an 11 foot trimaran hull kayak using a dual 6 inch three blade counter rotating boat propeller set with a...
Hi, I would like to know how do you design a 3D propeller from 2D geometry,i.e. NACA profiles, blade sections?
Kind regards, happy boaters! I want to start a topic on wave force induced propulsion. Brief intro: I have been reading and enjoying this...
Hello everyone! I want to design a propulsion system for a tugboat with maximum performance on bollard pull using a ducted propeller (Kaplan)....
We are looking for a Hydrodynamic Engineer who wants to sit in Orlando, FL. Must be able to obtain a security clearance (does not need to be...
Dear, I would like to know if any member of the forum could assist me (or guide, at least). I am looking for the points/coordinates of Kort No....
Hi All, Can anyone advise how to do the powering calculation of a pusher tug. Pusher tug pushes -4 barges,each of 350 T capacity. Regards Adarsh
Not sure about the right place You can find a good information article here on waterjet propulsion . Learn about Waterjet Propulsion System - A...
Hi. Sooo its about 4 meters long catamaran boat with small electric motor propulsion. Hull (see attached picture below) is with aft tunnel to...
Hi, I am looking for a method to calculate resistance of a 40m vessel using the Van Oortmerssen (1971) procedure. Can anyone help with providing...
I have a 28' Hike Metal SAR boat with twin Volvo TAMD31's running Hamilton 211 jets through 1:1 Velvet Drive transmissions. The boat has an...
I'm planning a sailing (decent-performance cruising, not racing) catamaran, S/V Hypothetical. Construction is reinforced plastic, cored above...
Dear everyone, I started working on sailing yacht concept, my first project. For the purpose of making the GA I need to decide about Propeller...
I keep landing on these forums when I'm looking up things, so I thought I might as well make a thread of my own and maybe some of you geniuses...
First up: I am not a prop expert at all. the design goal is do find the most efficient solution for a long narrow hull design with a LWL of 24m...
