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Oct 10, 2004 · The Lombardini is a small capacity lightweight OHC engine and is very complex compared with the simple Kubota engines Beta and Nanni use. To get the performance you would need to go up a size in Lombardini and that is similar physical size to the Kubota.
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- Marine Diesel engines: A Buyer’s Guide
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Tighter regulation in Europe has been forcing engine manufacturers to reduce the harmful emissions generated by their equipment. In the marine sector, that means complying with the 2013 Recreational Craft Directive, known as RCD 2, and often with the EPA Tier 3 requirements in the USA. Though most manufacturers anticipate further tightening in the ...
The demand for more plentiful electrical power on board boats has led engine manufacturers to increase the output of their alternatorsystems. Where a typical alternator on a 30hp engine might have been around 50A two decades ago, they are now often in excess of 100A. So, for example, even Volvo Penta’s entry-level D1-13 engine packs a meaty 115A al...
It used to be that marine diesel engines would buzz along in the background unless they overheated, in which case you were treated to an ear-splitting alarm from the control panel. They still do sport their own dedicated warning lights which ping on if oil pressure drops or the temperature rises above a safe 80-90ºC. But with the growth of instrume...
Every owner will make up their own mind on common rail injection. It looks like the way of the future, judging by the automotive sector, but critics point out that poor quality fuel and the need for maintenance in out-of-the-way places weigh in favour of mechanical fuel systems. It depends whether you’ve got far-flung cruising in mind, or whether y...
While there’s broad consensus about hydrogen being the fuel of the future, the path to fuel-cell propulsion is distinctly unclear. In the meantime, alternative fuels may play an increasing part in the energy mix for combustion engines: methanol or ammonia can be stored as liquids and mixed with diesel in a combustion engine. There are challenges to...
Volvo Penta D2-50
Volvo has an odd gap in its engine line-up between the 28hp D1 and the 50hp D2, which exist in both shaft and saildrive formats. The D2 marine diesel engines run at 3,000rpm, which is pretty standard for this power rating. In general, slower rotation makes for less noise and vibration. Both series use inline injection and feature the MDI electronic interface which has suffered from reliability problems in the past. On the plus side, the interface makes it easy to get NMEA data out of the engi...
Yanmar 3JH40
With a power output rated at 40hp, this hugely successful, award-winning engine was launched in 2018. Its key feature is the common rail injection system which Yanmar has introduced with claims that it reduces smoke and odour to nearly nil. This is due to the more complete combustion of the diesel fuel when injected under high pressure. It also operates at a relatively low 3,000rpm, which makes it quieter than faster-spinning engines, and reduces vibration. Yanmar has developed a series of di...
Beta 43
Beta Marine diesel engines are based on the solid Kubota block, and represent good value, no-frills performance. Painted a distinctive red colour, they offer flexible installation thanks to a good range of options. This makes them well suited to repowering in tight corners. Though the design is constantly being improved, this is a traditional mechanical engine with the minimum of electronic gimmickry. It offers excellent mid-range torque for its rating. The standard control panels are steadfa...
A subscription to Yachting Monthly magazine costs around 40% less than the cover price. Print and digital editions are available through Magazines Direct – where you can also find the latest deals. YM is packed with information to help you get the most from your time on the water. 1. 1.1. 1.1.1. Take your seamanship to the next level with tips, adv...
- Sam Fortescue
Mar 13, 2024 · This is a Aqua Marin 900 Pro (90 x 50 x 53 cm) which holds approximately 200L of saltwater prior to displacement. I dose Reef Zelements pH plus two part to take care of my major, minor and trace elements.
May 17, 2007 · With little difference in performance numbers, the best choice for a large, short-shaft dinghy engine really comes down to features and what fits your needs. We tested the 15-inch shaft Mercury 9.9, Tohatsu 9.8, and Honda 9.9, each of which could also be used as a sailboat auxiliary engine.
MAN's 15 Liter V-8 900 CR is a light-duty diesel intended for motoryachts, lightweight fishing boats and patrol craft that will operate up to 1000 hours a year and at full load up to 20 percent of the total engine hours.
Oct 8, 2020 · NGH GT9-Pro. Lets try the little 9cc from NGH. Bought it from Hobbyking, and it arrived quickly and no box damage. This one is the newest version without the separate pump/regulator unit which as far as I could read was not that great. This new carb version on the pro version should work much better.
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May 30, 2020 · The 881’s FM tuner is good. One review tested it’s IHF sensitivity at 1.8 micro volts. Better than Sansui claimed. It’s quieting slope is extremely steep which is good. Stereo separation is excellent as well. Sansui’s rating of the 881 at 60 watts per channel is conservative.
