The distributor also houses the centrifugal advance unit: a set of hinged weights attached to the distributor shaft, that cause the breaker points mounting plate to slightly rotate and advance the spark timing with higher engine rpm.
United States Air Force | Royal Air Force | Royal Canadian Air Force | Indian Air Force | United States Air Force Academy | X-Force | Royal Australian Air Force | First Australian Imperial Force | Israeli Air Force | French Air Force | Edwards Air Force Base | First Air Force | South African Air Force | Wright-Patterson Air Force Base | Argentine Air Force | Air Force One | Eighth Air Force | Philippine Air Force | Pakistan Air Force | Cape Canaveral Air Force Station | Australian Defence Force | Second Air Force | Russian Air Force | Royal New Zealand Air Force | Offutt Air Force Base | Maxwell Air Force Base | Canadian Expeditionary Force | Japan Maritime Self-Defense Force | Ninth Air Force | Nellis Air Force Base |
While in this position, a "web setter" spins the rope in a wide arc around the performer creating enough centrifugal force to push him or her into a near-horizontal position.
; Impeller: The impeller, either elastomer or high-chrome material, is the main rotating component which normally has vanes to impart the centrifugal force to the liquid.