Aero-TV: Powerful Upgrades — The Rotax 912S/ULS

Rotax’s 100HP Four-Stroke Is The Backbone Powerplant For The Sport Aviation/LSA World At the US Sport Aviation Expo, Aero-TV caught up with an old friend, Eric Tucker… a guy who is known worldwide as “Mr. Rotax.” The most well-known (and easily the hardest working) expert on the Rotax 900 series sport and certified engines, Eric took a few minutes to help us profile each of the amazingly compact, powerful and fuel-efficient 900 series engines, this time concentrating on the 100 HP Rotax 912S/ULS. At the US Sport Aviation Expo, Aero-TV caught up with an old friend, Eric Tucker… a guy who is known worldwide as “Mr. Rotax.” The most well-known (and easily the hardest working) expert on the Rotax 900 series sport and certified engines, Eric took a few minutes to help us profile each of the amazingly compact, powerful and fuel-efficient 900 series engines, this time concentrating on the 100 HP Rotax 912S/ULS. With a dry weight of 124.7 pounds, the Rotax 912S/ULS DCDI 100HP engine is a 4-stroke engine specially developed for recreational aircraft. It also exists in a certified version as the Rotax 912 S. Additional features include: 4-stroke engine specially developed for recreational aircraft. Also exists in a certified version: Rotax 912 S. 4 horizontally opposed cylinders, “boxer” configuration Free air cooled cylinders, liquid cooled cylinder heads with integrated pump and expansion tank Dry sump forced lubrication with integrated pump and separate oil tank 8 valves …

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