Experimenter

FEB 2015

Experimenter is a magazine created by EAA for people who build airplanes. We will report on amateur-built aircraft as well as ultralights and other light aircraft.

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Is your family secure? Are you sure? Your current life insurance policy may contain an exclusion for pilots. EAA's Accidental Death and Dismemberment Insurance Plan will help fi ll that gap for less than $1.50 a day. Take care of the people you love. Get an instant quote and purchase your coverage today at EAA.org/insurance. Coverage is underwritten by Starr Indemnity & Liability Company, a Texas insurance company, has its principal place of business in New York, NY and is an admitted insurer rated "A" (Excellent) by A.M. Best Company. Insurance Solutions Administered by Falcon Insurance Agency, Inc. 16 Vol.4 No.2 / Februar y 2015 THE AEROLITE 103 ULTRALIGHT couple of the N-numbered Aerolites in the U.S. registry are listed as having the 52-hp Rotax 503 engine. Weight is not a problem for them as design gross weight is 600 pounds. FOUR-CYCLE V-T WIN POSSIBLE At Sun 'n Fun 2014, Dennis displayed a modifi ed four-cycle V-twin Briggs and Stratton engine, one of two that came with the pur- chase of the company. The original 22-hp engine is modifi ed to run 4200 rpm and produce 32 hp. A German company has been building this conversion for at least 10 years for powered paraglid- ers and light trikes. The engine is 19 pounds heavier than the Hirth F-33, coming in at 71 pounds with starter and reduction, not in- cluding prop and prop fl ange. Dennis reports the Aerolite 103 fl ies fi ne with the Briggs. He gets 190 pounds of thrust swinging a 60- inch prop. To make legal weight with the V-twin, the Aerolite must have nylon wheels, no wheelpants, and a few less options. The four-cycle Briggs engines are now being modifi ed in the United States. An active motorsports community builds these engines for drag-racing garden tractors. The original top-wing engine mount seen at Sun 'n Fun 2014 has been replaced with a below-the-wing mounting with a lighter and more refi ned reduction drive. The Aerolite 103 is now available in European Union countries as the Aerolite 120 , so named because of the new 120-kilogram (264-pound) empty weight limit proposed in German regulations. Germany and the United Kingdom have implemented measures similar to our FAR 103. The slightly modifi ed Aerolite 120 for the German market was displayed at AERO Friedrichshafen 2014. It will be manufactured here in the United States, with fi nal assembly overseas. More details can be found in an April 12 report from AERO 2014 archived at www.ByDanJohnson.com . The cost of a ready-to-fl y, test-fl own Aerolite 103 is $16,790 with electric fl aps, electric start, four-point harness, two-blade wood prop, and full instrumentation. For more details about an ultralight that has just about everything you could want, go to www.UFlyIt.com . See Dennis Carley in this YouTube video interview at Sun 'n Fun 2013. The fl ying footage in that fi lm is with designer Terry Raber fl ying the Aerolite at AirVenture. Get more Aerolite 103 pictures and the latest news on the Aerolite Facebook page . Please send your comments and suggestions to dangrunloh2@gmail.com . Dan Grunloh, EAA 173888, is a retired scientist who began fl ying ultra- lights and light planes in 1982. He won the 2002 and 2004 U.S. National Microlight Championships in a trike and fl ew with the U.S. World Team in two FAI World Microlight Championships.

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