Experimenter

June 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.

Issue link: http://experimenter.epubxp.com/i/134623

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Te B.O.T. Speed Cruiser with D-Motor will be used to train disabled military veterans. yet produces an attractive finished aircraft. The new Belite UltraCub has a new aluminum fuselage and was powered (very successfully) with a Scott Casler ½ VW engine. The airplane is covered with conventional Dacron and Oracal 951 film. The film is similar to that used for vinyl adhesive lettering such as the N numbers on airplanes and decorations on racing cars. The high-tech PVC film comes in rolls in more than 90 colors and can conform to compound surfaces. The procedure is to first cover the airframe with fabric using the Stewart system, shrink the fabric, and then overlay the peel-and-stick colored film directly on the fabric. It's fast and easy and there is no need for any spraying or painting. The weight of the finished product is equal to a very light spray-painted covering, yet it gives a high-gloss finish. The film is not fuel proof, so extra protection is needed near the fuel tank where spills could occur. See more pictures of the finished product on the Belite Flickr page. mounted valves reduce the parts count and the cost. The result is a narrow profile and simplified installation. Designers have taken an old concept and updated it with electronic ignition and fuel injection. The all-up, ready-to-run weight is 138 pounds including exhaust, and the cost is less than a Rotax 912 series engine and much less than the fuel-injected Rotax. The demo engine on the test stand started easily and ran quietly and very smoothly right up to cruise rpm. Redline rpm A New Engine Renegade Light Sport displayed a prototype Belgium D-Motor running on a test stand and the production version mounted in a Polish-built B.O.T. Aircraft Speed Cruiser. The water-cooled, direct-drive, opposed fourcylinder engine is a flathead or L-head design. Side- Photography courtesy of Dan Grunloh Simple, clean installation of the 95-hp, liquid-cooled D-Motor. EAA Experimenter 35

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