Hewitt-Sperry Automatic Airplane and Lawrence Sperry decided that he would be the test pilot. While taxiing it on ice, he hit some slushy snow, and wrecked the plane, though Sperry was unhurt. A second airplane was fitted out, and Sperry managed to get it in the air, but lost control when the automatic pilot was engaged. After two complete rolls, Sperry managed to regain control and land safely. Clearly, though, more attention to flight testing the basic design was needed, particularly in the area of handling qualities. Sperry and his assistant, N. W. Dalton, obtained a Marmon automobile, and mounted the Curtiss-Sperry Flying
Sperry Chalet chalet is the Sperry Trail, which starts at the Lake McDonald Lodge parking lot and stretches 6.7 miles to the chalet, climbing 3200 feet in the process. The trail passes along the base of Mount Brown and over the west ridge of Mount Edwards, with views of U-shaped valleys along the way. A side trip to Sperry Glacier is also possible, being a 4-mile hike (8 miles round trip). The other means of accessing the chalet is via the Gunsight Trail, which is a 12.1-mile hike from the Jackson Glacier Overlook on Going-to-the-Sun Road. This hike averages 9 hours. The