Our goal is to be The Best Propulsion Partner
We are committed to:
History
Today’s Marine Jet Power is the result of the 2012 merger of Ultra Dynamics and MJP Waterjets. But our history has roots extending back some 50 years – deep into the origins of waterjet propulsion.
For several decades, great engineering minds were working around the world to perfect the waterjet concept. In the UK during the mid 60s, the Dowty Group, an aerospace and engineering conglomerate, was making drive units for military craft. In the U.S., Ultra Dynamics took over the marine propulsion sector of Ultra Hydraulics.
Meanwhile, in Sweden, MJP was created in 1986 as a joint venture between the Marinteknik Shipyard and the Österby Gjuteri, a foundry with specialty expertise in casting stainless steel. Within a year they had designed and delivered their first waterjets – an installation that is still in daily service in the ”Cinderella” fleet of large ferries in the Stockholm archipelago.
Each of these pioneering companies saw the future advantages of waterjet systems and made their special contributions. Now, their skill, commitment and knowledge in waterjet propulsion are effectively synergized into today’s Marine Jet Power.
Group Structure
Marine Jet Power Group is organised in a legal structure:
Marine Jet Power Inc, Columbus, Ohio , USA
Marine Jet Power AB, Uppsala Sweden
Marine Jet Power Singapore, International Business Park Singapore
Executive Committee
Magnus SörensonCEO
Erling TomassonCFO
Karl Afzelius-AlmCOO
Staffan SörmarkCTO
Board of Directors
Claes RudlingBoard member
Janne HolmiaBoard member
owner representative
Arne HandelandBoard member
owner representative
Jan SöderströmChairman
Innovations
The combined Research and Development expertise within our group comprises enormous potential to shape the future of waterjet propulsion. Yet at the same time we use these skills to constantly refine our existing product lines. In recent years we have accomplished this by focusing on improving waterjet serviceability and by enhancing performance with better cavitation margins and higher thrust.
Each new waterjet design concept is developed in a 3D CAD environment. Then, scale models are built and tested by skilled Marine Engineers and Naval Architecture. When the time comes to produce crucial new parts and components, we can manufacture these in our own facilities – from casting and machining to final assembly.
Testimonials about MJP Waterjets and Ultrajet
"As builders we were very impressed with the package supplied by Ultrajet. The build quality of the jets and associated components was evident as soon as the crates were opened. The backup was also first class and all this is demonstrated in the ability to put a boat in the water and have no issues whatsoever.”
Jack B, Ship yard, UK
“I would like to thank you and your team for participating in our Bridge Erection Boat Phase 1 program. Your team’s knowledge of the program and pat experiences regarding Bridge Erection Boats proved to be very helpful during the ‘very short lead time’ we had to deliver our product.”
Tim K. Marine Industry, US
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“Thank you for cooperation! Due to your wonderful waterjet on trials the anchor boat with displacement of 21 tons gained the velocity of 18 kmh (10 knots) instead of designed 12 kmh (6.5 knots)! Now boats put into operation in Russia.”
Vladimir G. Technical Leader of Project
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“Jet setup was a piece of cake. No issues, and much simpler than I originally thought.”
Keith R, Chief Engineer at boat builder finishing their first-ever jet boat
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“I was very impressed by the system in the first sea trials we did. Now, that I know it better, and have a clue on the amount of engineering imbedded in it, I admire it even more. Congratulations and thanks for all the support.”
Danial P. Marine Industry, South America
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“Congratulations to you and all those who chose the jet drive configuration for this project – you were exactly right.”
Andy S. Boat builder, US
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“Overall, we had a successful seatrial. The jets worked well with no strange problems of any sort. I will forward the seatrial report to you later this morning. Meantime, a few quick notes: The boat accelerated out of the hole like a rocket, with zero to 25 knots in 10 seconds light and 13 seconds full load. It was very sporty, even at full load! The jets behaved predictably across the entire speed and bucket range with no unexpected changes in RPM, no vibration or noise and any sort, and overall were just great. They did their job without complaint.”
Robert K. Naval Architect
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“I would like to say that we have had excellent service from both Ultrajet and Scania they have attended the vessel quickly to resolve guarantee issues and problems with their respective units, please pass on my appreciation to both parties.”
Steve R. Operator of boats servicing electricity-generation wind farms. UK
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“I do LOVE these drives. Seriously, at first I was reluctant to buy the boat with these drives...but I don't think I'll own a boat without them now. You can do ANYTHING with the boat...really badass. Thank you for everything, your company's support is great!”
Scott S, Company owner, US
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“I’m very pleased with the high quality finish and performance of the craft. I’m also delighted with the Ultra joystick control system. I originally thought it would take a while to get used to, but I have been able to manoeuvre the boat out of a very tight pontoon berth. She’s been so easy to handle and responds instantly. Holding station alongside the landing stage will be much easier for passenger’s embarkation using the joystick combined bow thruster controls. Coming back in this evening, having had no previous joystick experience, I was able to slip back into a very tight marina first time."
Steve C. Owner and operator of wildlife excursion boat
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“I can sum it up in one word. Wow! What a rig. I'll try and get you some picture and stats when I get a minute. Very impressive.”
Greg Gabriel, Commercial fisherman, US
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“We don’t like it, we love it”.
Col. Coast Guard, US
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“We received the new pin Wednesday at 0830, my compliments to you and the UK boys for getting the part off so quickly.
Kent M. Manager, US
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“I have to say that on installation point of view your Jet is very cool. So far we found it is very easy to install compared to other jet we had installed in the past.”
Thanakhet S. Production Manager, United Arab Emirates
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“I can’t thank you enough for going beyond and doing this. I will send this along. Thank you!!!!!”
Stephanie P. Office Manager, Alaska
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“Getting our offshore technicians out to site in a safe and timely manner is crucial to the long term success of any offshore wind farm. The South Boats Catamaran is a proven performer that ticks all the boxes. Fitted with an UltraJet waterjet propulsion system gives the cat increased manoeuvrability and the ability to hold station while work is being carried out. A key requirement when servicing offshore wind farms, especially in very rough sea conditions.”
Tom W. Project Developer, UK
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“The Ultrajet 305 paired with the 272 kW Iveco engine is just amazing, we originally had a Castoldi on one of the craft and a Saro surface drive fitted on the other, which simply couldn’t easily get on plane with a full passenger load and only achieved some 28 knots!” (Ultrajet-propelled boat was reported to achieve 38 knots with full passenger load)”
David S. Excursion Tour Operator, UK
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“I am absolutely thrilled with my new boat, the more I run it the more I like it. After 20 years of having outdrives, the ease and stress free operation of a jet is amazing. Everything is easier with the jet, especially maneuvering the boat while around the net. The Ultrajet 305 paired with the Cat C7 seems to be an excellent combination. I am very happy with the almost total lack of cavitation, and the integrated hydraulic pump for the shift system and inboard hydraulic cylinder. Now that the season is winding down besides the stress free operation of the 305, I am realizing the low amount of maintenance necessary for the jet.”
Thae T., Commercial Fisherman, Alaska.
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“Thought you would be interested in the tow tests we performed on the Cable Service Boat currently being built at ACB boats. The boat out performed the CGG Veritas criteria laid out in the build specification by approximately 20% in all aspects.”
Rob S. Small Craft Supervisor, An International Offshore Service Provider
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“At 1,900 to 2,000 rpm we cruise at 12 - 13 knots. Fuel burn is low and the ride is wonderful. I know I have never ridden on a sailboat at half throttle that travels at these speeds. It powers effortlessly.”
Jack M. Sailboat Builder, US
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“I am happy about the jet performance. I am able to run 100-200 rpm's lower with the Ultrajet than i did with the Hamilton. My speed is better than before, even at those lower rpm's. It will definitely push more weight. I have been able to plane with 800-1000 pounds of fish on-board in the ocean (good weather conditions). With the Hamilton, I virtually was done planing with half of that weight.”
Jeff P. Commercial Fisherman Alaska
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“I was very impressed with the robust construction of the jets and I will continue to go your direction with upcoming projects.”
Bruce B. Naval Architect, US
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“I want to thank you and Ultradynamics for your fantastic support that you have given us. Peter and Tom are both exceptionally knowledgeable of your product and were very eager to work with our crew to get the desired thrust.
Tim K. Government Sales/Project Manager, US
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“Finally this is the first Ultrajet I have seen in close up. It puts the Hamilton in the shade.”
David H. Boat manufacturer, UK
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“Thank you again for supporting Hinckley and Gorham in what appears to be a very successful installation. I picked the boat up from Hinckley on Sunday and ran it back to Annapolis. I will need some more experience and hours running the new joy stick system to understand its full capabilities, but it is obvious that it adds a whole new dimension of control to the vessel and I am very pleased to have it.”
Jamie Loftus: Owner of a Legacy 34 Motor Yacht with twin UltraJet 305 propulsion following conversion to joystick control.
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"We were very impressed by the performance of our new boat; it's very responsive and jumps onto plane in no time. The maneuverability that the jets provide us with is exceptional and the load carrying capabilities and speeds we are achieving are also impressive. With one quarter of fuel and a crew of two we are getting close to 40 knots top speed! This is better than we had ever hoped for. On one occasion we added an extra 8 tons of load to the boat and were still able to get 28 knots! That was really impressive! In another we towed a boat that weighed 100 tons at a speed of 12 knots."
Per-Sverre, Managing Director, Norway
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"The Spirit Of Skye finished its trials with flying colors. The performance was better than hoped for by a large margin. A top speed of 32.7 knots was recorded. The vessel is now in service – the jets are superb and well ahead of others we have used.”
Sandy M. Boat Builder UK
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"The Explorathor is just like a brand new boat. It has never gone as fast and been so maneuverable. I only wish I had re-jetted sooner.”
Cedric T. Owner and Operator of Whale Watch after upgrading to UltraJet. Canada
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"The Surfhunter 29 is the latest in a 30+ year history of C. Raymond Hunt-designed jet boats. The UltraJet system and the Hunt hull provide spirited performance and precise maneuverability.”
Peter L. Boat Builder, US
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"When the Ultrajets were delivered I was really impressed with the quality standard and how easily we fitted them. During sea trials the boat performed faultlessly and proved the hulls compatibility with the Ultrajet unit and speeds. Performance and maneuverability were well above expectation.”
Ben C. Builder of aluminum catamarans UK
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"She is in service and our coxwains are coming to terms with the joystick controls. She is performing very well in some quite adverse weather conditions.”
Bill B. Operations Manager., Australia
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"....this week the boat hit 35 knots, remember that’s a single jet with a 350 Cat, so pretty amazing.”
Mike A. After converting his fishing excursion boat from Hamilton. Costa Rica
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"Reports from Portland are that they have been able to increase the pilot transfer speed compared to the old boat (a Nelson 40) from about 8 knots to 12 knots, partly because of improved stability and partly because of controllability.”
Michael H. Naval Architect and designer. Australia
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