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...
I was ordered these and many more renders by Alamarin-Jet of their ACU-maneuvering system. Waterjet model AJ 288.
I was ordered these and many more renders by Alamarin-Jet of their ACU-maneuvering system. Waterjet model AJ 180.
Hello! I'm new for boat building, but I'm starting a new project where I need to build a boat with max measurements of 100cm (3ft 3in) x 80cm...
Hello everyone. Brand new member. I have been using a motorized yak for fishing about 15 years. In fact, I built the first motorized yak I ever...
Servogear Ecoflow propulsion system, more into at www.servogear.no
Servogear Ecoflow propulsion system lay with propeller tunnel, more into at www.servogear.no
Servogear Ecoflow propulsion system. Efficiency from full scale and models tests at SSPA, more info at www.servogear.no
