UL Power, UL 520 six cylinder, 200 HP air-cooled, direct drive, 220 lbs. aircraft engine.

http://www.mountvernonaviationexpo.com – UL Power, UL 520 six cylinder, 200 HP air-cooled, direct drive, 220 lbs. aircraft engine. Just Aircraft SuperSTOL “Stretched.” Boeing does it. Why not Just Aircraft? Of course, a stretched Boeing only transports more people somewhere. The experience is not more fun ... maybe less so. Flying in a Just airplane will put a huge grin on your face and now it is a lot more likely to do so. Having experienced SuperSTOL with 100 horsepower, I can't wait to get a shot at one with (trumpets blare here) 180 horsepower. Hoo-Rah!

"To accommodate larger engines," the company announced, "we introduce our new SuperSTOL Stretch XL." By adding an extra two feet to the aft section of the fuselage and six inches up front, the SuperSTOL Stretch XL can now accommodate the new UL Power 520 engine series or Lycoming's O-320 engine series that outputs 150-160 hp.

A plain old — but still exciting — SuperSTOL is powered by the 100 horsepower Rotax 912 which weighs approximately 165 pounds, with accessories, or the 115 hp Rotax 914, weighing 175 pounds. UL Power's six-cylinder 520 model weighs 255 pounds and the Lycoming O-320 is 315 pounds. Such a significant weight and power increase required Just Aircraft designers to lengthen SuperSTOL into the "Stretch" model. The new model allows installation of other engine types weighing up to 315 pounds the company said. "Appropriate engine mounts and redesigned cowlings will accompany the SuperSTOL Stretch XL kits."

After completing phase one flight testing Harrison Smith said, "This is one of the first aircraft in the world with a UL Power 520 engine, rated at 180 horsepower." He reported an increase in the rate of climb and cruise speeds.
The additional length in SuperSTOL Stretch XL provides handling similar to a high horsepower Super Cub, indicated Just Aircraft. "What's really nice is that the UL Power 520 can burn automobile gas with up to 15 percent ethanol," Harrison noted. He also observed that the UL Power engine has six cylinders that "virtually eliminates vibration." (See UL Power video.)

With an extra two and a half feet the SuperSTOL Stretch XL is now 21.5 feet long. Rate of climb with the UL 520 is an astounding 3,000 fpm. Just said the potent new model will cruise 109 mph (95 knots) at 2600 rpm and its landing speed is in the low 30s. Rollout with the UL 520 is 75 feet. If you are like me you will want to examine the SuperSTOL Stretch XL and you can do so at the Sun 'n Fun Fly-In where the company will publicly debut their newest creation. Sun 'n Fun runs April 20-26, 2015.
SuperSTOL has been impressing pilots since its debut. photo by Wayne Whitley; Stretch XL photos courtesy of Just Aircraft

Even with a major boost in power, SuperSTOL is not meant to be a speedster. You want fast? You are lucky; you have many other choices. Just's SuperSTOL delivers a particular kind of flying pleasure: fast takeoffs, thrilling climbs, and the shortest, softest landing you can imagine. You literally have to experience this aerial phenomenon to truly grasp its capabilities.

Speed is not the only objective for pilots even while it may be a passion for many. A recent survey of AOPA members reported in the big association's eBrief news aggregator reported answers to the question, "How far do you fly on a typical flight?"

The answers appear below and suggest most pilots (61%) could be mighty happy tooling around in Just Aircraft's SuperSTOL.

"[I commonly fly] 50 to 100 miles" — 36%
"Around the pattern or local area" — 25%
"101 to 250 miles" — 23%
"More than 250 miles" — 16%

By Dan Johnson

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Видео UL Power, UL 520 six cylinder, 200 HP air-cooled, direct drive, 220 lbs. aircraft engine. канала Light Sport and Ultralight Flyer