Triumph Bonneville T120 was based on the American X-15 rocket plane. In 1966 Detroit Triumph dealer Bob Leppan raised the record to 245.66 mph (395.3 km/h) with his Gyronaut X-1, powered by two 650 cc Triumph engines. For the next few years, Triumph fitted Bonneville roadsters with "World's Fastest Motorcycle" stickers. Triumph Bonneville T120 The Triumph Bonneville T120 was a Triumph Engineering motorcycle made from 1959 through 1975. It was the first model of the Bonneville series, which was continued by Triumph Motorcycles Ltd. The T120 was discontinued in favour of the larger-engined T140. It was brought back in 2016 with a host
Bonneville Dam withstand flooding on an unprecedented scale. Electrical power generated at Bonneville is distributed by the Bonneville Power Administration. Bonneville Lock and Dam is named for Army Capt. Benjamin Bonneville, an early explorer credited with charting much of the Oregon Trail. The Bonneville Dam Historic District was designated a National Historic Landmark District in 1987. In 1896, prior to this damming of the river, the Cascade Locks and Canal were constructed, allowing ships to pass the Cascades Rapids, located several miles upstream of Bonneville. Prior to the New Deal, development of the Columbia River with flood control, hydroelectricity, navigation and irrigation