1911 Ono, a vintage chain driven race car, and one of Lindley Bothwell's Speed Demons

Notice that the grill is protected from rocks and trash by a stiff screen that is nosed out to help in aerodynamics and possibly to increase the area of the screen so as to not decrease the airflow







Dual chain drives, is that the same as posi-traction? I think it must be

See Tere's gallery of the Ono at http://justacargal-s.blogspot.com/2011/06/race-to-fair-2011-pt-3.html

for more about Bothwell's car collection, from Sports Illustrated in 1957: http://sportsillustrated.cnn.com/vault/article/magazine/MAG1133626/index.htm

or read the article and see the photos from a 1951 motor car magazine of Bothwell and friends racing on Catalina Island that I posted http://justacarguy.blogspot.com/2009/08/racing-on-catalina-in-summer-of-51.html