When 300km/hour is not enough, there are some ideas to create jet-powered aircraft using Shark design, so You could fly 400-500 km/hour according to used engine.
Price-induction jet looks nice for that purposes :
At Take Off Power, you can get up to 255daN, consuming 80kg/h of fuel for the DGEN 380 and 330daN with 100kg/h fuel consumption for the DGEN 390.
of course - this kind of aircraft cannot be called Ultralight, although its empty weight could be very similar
| information about Shark first prototype max speeds |
20th December 2009, Shark prototype OK - OUR 01 reached with propeller Woodcomp 3000 2W :
( Shark.aero sro information from test flights in Senica airport ) |
GRYF magazine News
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Gryf design team started development of high-performance UL aircraft, preliminary named Shark for COMP-LET Senica, Slovakia, one from the biggest European aircraft composite producer. COMP-LET would like to introduce their new project in AERO Friedrichshafen airshow, 19th - 22th April 2007. Composite tandem low-wing Shark is optimized for long cross-country flights with cruise speed above 250 km/hour, and will be offered in two versions - European UL with retractable gear and simpler 600kg LSA with bigger wing.
Using a blend of composite and fabric, Skyboy is powered by the Jabiru 2200 80-hp engine and a Woodcomp three-blade prop to cruise at 100 mph (85 knots). But it's those very comfortable seats that stand out in the pilot report I wrote.