6-601: The Bohannon B-1 is a purpose-built aircraft to set new world records in its class for time-to-climb. It is a development of the Van's RV-4 . Bohannon and Miller built the Miller-Bohannon JM-2 Pushy Galore to set the new time to climb records and compete in Formula One air racing. Bohannon continued to set records with his new aircraft. He acquired Exxon as a sponsor for record attempts. His B-1
12-580: A tandem seating configuration with the pilot accommodated in the front seat. The Van's RV series has become the most popular kit-built aircraft in the world. As of April 2019 , the RV-4 is the fourth most popular RV model. As of November 2022, 1446 RV-4s had been completed and flown worldwide. Richard VanGrunsven designed the RV-4 in the mid 1970s as a two-seat development of the single-seat RV-3 . The RV-4 prototype first flew in August 1979 . The RV-4
18-612: Is a new design based upon the concepts proven in the RV-3 and is not merely a stretched RV-3. The RV-4 airframe will accept a range of engines up to 180 hp (134 kW), including the Lycoming O-360 . The RV-4 has a new wing, with increased wingspan and wing area over the RV-3. The RV-4 is designed for sport aerobatics. The RV-4 has proven to be a capable cross country aircraft in service, able to carry two modest sized people and baggage on longer trips. RV-4s have been flown around
24-488: The world, notably by an Australian, Jon Johanson , who completed world-girdling RV-4 flights on two occasions. Many larger people find the RV-4 cockpit design physically constraining, and as a result VanGrunsven has designed an entire family of derivative designs. The RV-6 was designed to allow side-by-side seating, and the RV-8 was created as an enlarged aircraft that follows the RV-4's philosophy and offers tandem seating in
30-520: Was installed. The B-1 has set, and beat, its own records several times. The B-1 operates in the FAI C-1b Class. (Piston aircraft 1,102 to 2,205 lb (500 to 1,000 kg)). Data from Sport Aviation General characteristics Performance Related development Van%27s RV-4 The Van's RV-4 is an American light homebuilt aircraft supplied in kit form by Van's Aircraft of Aurora, Oregon . It seats two people in
36-412: Was painted in a stylized tiger paint scheme and named the "Exxon Flyin' Tiger". The aircraft went on to set 30 altitude and time to climb records. The Bohannon B-1 is a low-wing , all-metal single-seat aircraft with conventional landing gear . The Lycoming IO-540 engine is augmented with nitrous oxide to increase power from 260 to 425 hp (194 to 317 kW). For 2001 attempts, a Lycoming IO-555
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