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[2] If two identical substituents are attached to an sp 3-hybridized atom, the descriptors pro-R and pro-S are used to distinguish between the two. Promoting the pro-R substituent to higher priority than the other identical substituent results in an R chirality center at the original sp 3-hybridized atom, and analogously for the pro-S substituent.
Volmer VJ-21 Jaybird 1947 2 seat light aircraft, unk no. built; Volmer VJ-22 Sportsman 1958 2 seat homebuilt amphibian, (not all are pushers), 100+ built; Lake Buccaneer 1959 amphibian, 4 seats, 1000+ built; Aerosport Woody Pusher 1967 tandem 2 seater, parasol wing, 27 ex. Taylor Coot 1969 2 seat homebuilt amphibian, 70 built
Development of the Sling 2 commenced in 2006. The Sling is a two-seat, low wing, all metal aircraft with tricycle landing gear made from composites. The aircraft is powered by an 80 hp (60 kW) Rotax 912UL,100 hp (75 kW), a Rotax 912ULS, or a 912iS engine, or optionally a turbocharged 115 hp (86 kW) Rotax 914 UL, driving a 3-bladed Warp Drive Inc propeller.
Enantioselective ketone reductions convert prochiral ketones into chiral, non-racemic alcohols and are used heavily for the synthesis of stereodefined alcohols. [1]Carbonyl reduction, the net addition of H 2 across a carbon-oxygen double bond, is an important way to prepare alcohols.
The Tecnam P2002 Sierra is a two-seat, low-wing, light aircraft. [2] A major market for the Sierra is the flight training sector; accordingly, its design and several of its major features, such as the use of a low-mounted wing and a bubble canopy, result in the aircraft being particularly well-suited to use as a trainer.
The TR-2 has a cruise propeller and the trainer has a climb prop. Typically the TR-2 came with more navigation instruments and was better for cross country flying because of its speed and lower fuel consumption. The family also includes the Grumman American AA-1B Trainer and TR-2, plus the Gulfstream American AA-1C Lynx and T-Cat. [1]
The 2-32 is all-metal, with a semi-monocoque aluminum fuselage and cantilever wings of 57 foot (17.37 m) span. It has top-and-bottom divebrakes and an all-flying stabilator tail. [1] [3] The aircraft seats two or three, with one seat in the front cockpit and a double bench seat in the back suitable for two smaller people of 150 lb (68 kg) each ...
The Stinson 108 is a popular single-engine, four-seat, light general aviation aircraft produced by the Stinson division of the American airplane company Consolidated Vultee, from immediately after World War II to 1950 (by which time Stinson was a division of Piper Aircraft).