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In stereochemistry, prochiral molecules are those that can be converted from achiral to chiral in a single step. [1] [2] An achiral species which can be converted to a chiral in two steps is called proprochiral. [2] If two identical substituents are attached to an sp 3-hybridized atom, the descriptors pro-R and pro-S are used to distinguish ...
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
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 Dragonfly is a two-seater aircraft that features a tandem wing layout with a forward wing mounted low and the other behind the cockpit in a shoulder position, a two-seats-in-side-by-side configuration enclosed cockpit under a bubble canopy, fixed landing gear and a single engine in tractor configuration. The cockpit is 43 in (109 cm) wide [3]
Some Cozy builders modify the design to include retractable main gear. This modification increases the maximum speed by a few knots. Maximum fuel tank capacity is reduced to accommodate the retracted gear. A Cozy III Cozy III The Cozy III was a 3-seat aircraft and the predecessor of the 4-seat Cozy Mark IV.
The Prodrive P2 is a prototype two-seater sports car designed, engineered and built by Prodrive at its Banbury and Warwick sites. The car is based on the platform of the Subaru R1 kei car and has a modified Subaru Impreza WRX STi engine along with many Prodrive systems originally designed for their World Championship and Sports Car Racing programmes.
Two prototype model 108s were converted from Stinson model 10A airframes. FAA records show NX31519 was model 108 serial number 1, and NX31532 is model 108 serial number 2. Both registrations later changed to NC. The production model straight 108 would also use serial number 1 and 2, so there was for a short period 2 duplicate serial numbers; [10]
Data from Plane and Pilot. General characteristics Crew: 1 Capacity: 4 passengers Wing area: 135 sq ft (12.5 m 2) Airfoil: NACA 63(2)-215 Empty weight: 1,200 lb (544 kg) Gross weight: 2,400 lb (1,089 kg) Fuel capacity: 50 U.S. gallons (190 L; 42 imp gal) Powerplant: 1 × Lycoming IO-360 horizontally opposed piston, 180 hp (130 kW) Performance Maximum speed: 161 kn (185 mph, 298 km/h) Cruise ...