Common Rail Injection System
October 8, 2008
The latest Trade-A-Boat magazine (October 2008) features an article on the Conraad 1051 Sport Fisher.
“The boat is powered by a 370hp Iveco N60 370SD Diesel featuring, according to Paul McGovern of Lees Delta Marine Ltd, the latest advances in marine diesel technology - a common rail injection system. This system measures and delivers the exact amount of diesel required to run the engine at any given rpm, producing an extremely powerful yet efficient package.”
Read more about sea trials in the magazine or on the Trade A Boat website…
Extreme 650 Boat Test
August 11, 2008
From Trade a Boat magazine - July 2008
Is the current fuel price putting a damper on your boating? Too expensive to go fishing? You might consider repowering your pride and joy - with a diesel.
Papakura’s Lees Delta Marine is the New Zealand disuibutor for the ltalian-made FNM range of marine diesel engines. These compact and efficient power plants are miserly in their fuel consumption yet provide excellent power output and reliability.
Thanks to the ever-rising price of fuel they are increasingly finding favour in small and medium-sized trailer boats. The engines are also competitively priced, making the decision between a petrol-powered outboard or a diesel-powered inboard less about the upfront cost and more about running costs.
Read full article on the TradeABoat website…
2 Iveco NEF 370 Engines
January 15, 2007
Professional Skipper Magazine - Nov/Dec 2006
Sea Shuttle Meets Growing Tourism Demand
Abel Tasman Sea Shuttle recently introduced a third vessel, the 14m powercat Adele II, into its fleet to grow the business and meet increased local and tourist growth.
“The Adele ll’s engines are 5.9 litre common-rail NEF370 six-cylinder Iveco Motors. They have a light-duty commercial rating of 330hp (243kW) at 2800rpm. Her service speed is 20 knots.
Read more of this article on the Professional Skipper magazine website…
Daewoo Marine Diesel Engine
September 15, 2006
Professional Skipper Magazine - July/August 2006
Kauri Vessel Ready for Generations
“Internal access from this void through a watertight bulkhead door gives access to the spacious engineroom. This compartment contains the fuel tanks, batteries and the large Daewoo 158TA 540hp marine diesel engine. ”
“Cobalt attained a speed of 21 knots and a service speed of 18 knots at 1850rpm on her sea trials. During her stability checks, with 22 people on board, her maximum tilt was six degrees, indicating that she will be a stable vessel at rest, making her ideal for her intended role of day fishing trips.
Alan insisted on a fuel computer, because when you have a huge power plant and 540hp, if you want speed it takes a lot of fuel to feed these horses. The fuel computer is a good leveller and slows the hand up considerably, he says.
The Daewoo engine burns 7.5 litres per hour at eight knots. Working through the speed ratios, we converted the fuel consumption to the more realistic litres per nautical mile, and at eight knots Cobalt was burning one litre per mile. At 16-18 knots this leapt to four litres per mile, and at her top speed she was consuming five litres per mile. This definitely indicates that if you want speed you have to pay for it, an important consideration for the new generation of faster charterboats that are appearing on the Auckland waterfront.
Clearly, in this case, covering the miles quickly is not equal to distance travelled to fuel consumed. We would suggest that if many other fast vessels used fuel computers they would be surprised at the economies of fuel burn and costs.
The Daewoo is one grunty engine, and interestingly, when you buy a Daewoo marine diesel engine you not only get the engine and gauges but other boxes of fittings, which include valves, sea chest, strum boxes and a tool kit and other fittings.
On departing from the marina, we noted that as soon as the engine was engaged, the large propeller immediately bit, both when put into astern or ahead, and keeping the speed down in the marina was a bit of a challenge, as the vessel idles at five knots. While she is fitted with a mechanical trolling valve, this is not practicable when manoeuvring, as it is not designed for this purpose.
Although she ended up heavier than her original design expectations, the Cobalt’s wash when underway is more than acceptable and should not cause concern to other water users. Once underway, noise levels were an acceptable deep throb from within. As the Cobalt increased speed she maintained a nice angle with no noticeable high lift in the bow or burying of her tail. Equally, in the turns she maintained a stable aspect with no noticeably bad habits.
In closing, we found Cobalt to be a pleasure to be aboard. She is light, airy and comfortable. Even when underway, her spray from the chine rails is acceptable, and noise levels on board are very moderate at all speeds. To build a boat of this size and performance using timber and traditional construction is a love-hate affair, because you could probably build her cheaper using alloy or GRP. However, we are confident that this vessel will still be around in 50 year’s time, doing the sort of work she has been designed to do.
The choice of a Daewoo marine diesel is a step away from the expected traditional performance-versus-weight power plants. In saying this, the Daewoo is fast gaining a reputation as a strong, no-nonsense power plant that will deliver years of continual service.
Read entire article on the Professional Skipper magazine website…
Trailboat Diesel Sterndrives
September 10, 2006
Excerpt from Propeller magazine article - August 2006
A Buyers Guide to Trailerboat Diesel Sterndrives
FNM marine diesel engines, in natural aspirated, turbocharged or turbocharged and inter-cooled configuration, common rail and Multi-jet, are real winners for their high specific power and specific torque with low specific fuel consumption, aside from having outstanding power-to-weight ratio and compact dimensions. The FNM HPE Series is based on Alfa Romeo diesel engine technology.
The FNM range has been topped off by the new HPE 250, 247hp (184kW), five-cylinder model based on the industry-acclaimed Alfa Romeo 2.4 litre Multi-jet 5-valve-per-cylinder turbo diesel aftercooled engine. This direct injection engine offers outstanding fuel efficiency and performance. The state-of-the-art Multi-jet system contributes to reduced exhaust emissions (RCD compliant) and clean running. Cutting edge technology delivers pinned-to-the-seat power, and reliability. The HPE 250 is fitted with a choice of industry-leading gearboxes (Twin Disc, ZF Hurth) and sterndrives (MerCruiser Bravo sterndrives).
The FNM HPE 250 delivers high torque (494Nm at 2800 rpm) and its compact lightweight design makes it eminently suitable for 6-8m trailerboats. All engines feature a panel instrument with VDO gauges that monitor oil pressure, engine and exhaust temperatures.
Due to be released later this year is a new four-cylinder engine, available in 100hp and 165hp configurations from Lees Group.
345 Great South Rd, Papakura
Auckland, New Zealand
Phone: (09) 299 6019
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