맛뵈기-Ultra Cruiser (Hummel)

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The Ultra Cruiser uses the same all-aluminium construction as the older Hummel Bird, it is a completely redesigned aircraft. It has been lengthened and lightened for better ground stability and to fit into the U.S. ultralight category, according to Hummel Aviation. Power is supplied by a 1/2 Volkswagen engine.

The Ultra Cruiser uses 6061-T6 aluminium rivet-together construction. Currently the plane is only available as plans-built, but preformed parts should soon be available.

The average builder constructing from plans should be able to complete the project in about 800 hours, using standard metal tools. A construction and flying video is available. It is anticipated the plane will be available ready-to-fly in the near future.

According to Hummel, the Ultra Cruiser can be operated under FAR Part 103 when powered by the 4-stroke 1/2 Volkswagen engine. The plane has a canopy and cabin heat for all-weather flying. The canopy can be quickly removed for summer flying. The wings are detachable for storage.

specifications
 

powerplant propeller length height wing span wing area seats empty weight useful load gross weight fuel capacity range

28-40 hp (4-cycle recommended) x 16 ft. x 25 ft. x 1 249 lb x x 5 gal x

performance

takeoff distance, ground roll rate of climb max speed cruise speed landing distance, ground roll service ceiling

150 ft 1000 fpm x 60-80 mph 150 ft. x

limiting and recommended speeds

design manoeuvring speed (Va) never exceed speed (Vne) stall, power off (Vsl) landing approach speed

x x 25-28 mph x

All specifications are based on manufacturer's calculations

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