Experimenter

April 2013

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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L i g h t P l a n e Wor l d is plentiful. Assembly time is 300 hours, and most of the components are already built. The Challenger XS50 and XL-65 are outgrowths of the Challenger LSS, designed for the United Kingdom and overseas market. It features a new tail and rudder and has differential ailerons. The XS-50 is a short-wing (26-foot) version with a top speed of 95 mph. The XS-65 is a mid-sized, 29.5-foot wing for floats, heavy loads, and high altitudes. Replacing the 17-gallon main fuel tank with 20 gallons in wing tanks opens up the area behind the seat for baggage and raises the gross weight to 1,060 pounds. The empty weight of 475 pounds allows for a payload of 585 pounds. Te pre-owned LSA market is also very lively, with amazing deals being completed that never make it to the public sale arena. This look at a few low-cost, light-sport aircraft doesn't even cover weight-shift trike and powered parachute S-LSA, where costs are significantly lower across the entire spectrum! How about a U.S.-manufactured Northwing Scout XC trike with 80-hp Rotax full fairings and a topless, strut-braced wing starting at $49,000? Precision Windsports offers S-LSA trikes from Te amateur-built Challenger provides low-cost sport fying fun. 40 Vol.2 No.4 / April 2013 Airborne Australia in the range of $38,000 with a Rotax 582 engine to $55,000 with a Rotax 912, not including shipping. Powered parachute fans should check out the Predator and Powrachute for details and even lower prices. Browse the ads at Barnstormers.com to see prices for lightly used LSA that are much lower than you might expect. The S-LSA of today are going to be around for decades, but there is one important difference compared to standard category aircraft. Most, if not all, will eventually end up as experimental LSA (E-LSA) when they are no longer used for commercial purposes or when the owner wants to change the engine, wheels, or prop to something not approved by the original manufacturer. This new source of experimental aircraft for sport use is the hidden gem inside the world of LSA. ยป Please send your comments and suggestions to dgrunloh@illicom.net. Dan Grunloh, EAA 173888, is a retired scientist who began flying ultralights and light planes in 1982. He won the 2002 and 2004 U.S. National Microlight Championships in a trike and flew with the U.S. World Team in two FAI World Microlight Championships.

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