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As an alternative to traditional gensets, gas turbines first appeared at sea in 1947 for use in propulsion; since then they have been used mainly for naval and cruise ship applications, particularly in combination with other gas turbines or diesels. Turbine generators have been used as power units for decades as emergency or standby units ashore. They’re more expensive than traditional diesel gensets, but are known to be highly reliable and they’ll run on basically any liquid that burns – from (bio) diesel to liquefied petroleum gas (LPG). So far, though, the marine diesel market has remained steadfastly faithful to traditional gensets. As a pilot, Steiner already knew about the small, light gas turbines that provide electrical power aboard aircraft as auxiliary power units. When he began researching power generation options, it occurred to him that similar technology could work at sea as well, and he quickly came across the leading manufacturer of microturbines in the world, the Californian firm Capstone Turbine Corp. Founded in 1988 and headquartered near Los Angeles, Capstone is one of those impressive American companies that benefits from the pool of capital and talent that seems so profligate in the sunny state. A member of the US Environmental Protection Agency’s Combined Heat and Power Partnership, which is committed to improving the efficiency of energy infrastructures and reducing environmental pollutants, Capstone was established to invent and sell better and smaller turbines. Using CFD and finite element analysis, along with material advances, Capstone engineers achieved higher compression ratios and temperatures, more efficient combustion, better cooling of engine parts and reduced emissions. The company’s patented air bearings, which can withstand over 100,000 start/stop cycles, were developed in the 1990s. More recent advances in electronics and power-switching technology were the final piece of the puzzle enabling Capstone to deliver commercially viable, innovation-award-winning microturbines, which have, so far, logged millions of documented runtime operating hours. As Steiner treated me to lunch aboard Lethantia in the quiet pre-season marina, he compelled me to join him in his eureka moment. “It seemed so obvious to me that these air- bearing microturbines by Capstone were the ideal systems to replace the traditional diesel generators on board Lethantia,” Steiner said. “And, of course, I asked myself why no one else had seen this opportunity when it seemed so obvious to me.” Steiner Films, the business which he started in 1968 in Munich as a boutique, high-end film and video production house, may seem to be a simple film production company, but in fact is a hothouse of technological wizardr y that brought Steiner himself both industr y awards and significant wealth. Steiner focused on producing and displaying films for his clients by staying at the absolute bleeding edge of what was technically possible. Steiner is perhaps the greatest expert on disruptive technology that has fundamentally underpinned the evolution of the moving image over the past 40 years. Steiner Films pioneered the use of state-of- the art-equipment like Sony’s HD video (in the 1980s), and gyro- DetaIl of the Capstone mICroturbIne Components. “With this microturbine, you can take it apart and plug it back together in a different arrangement. It makes it very easy to customise the installation.” THE SUPERYACHT REPORT | ISSUE 146 31PDF Image | the Superyacht
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