At 10:33 AM 3/24/98 +0000, you wrote: >All, > >Sorry if this is a newbie question... >Does anyone have any data on typical voltage vs. airflow >functions for the "flapper door" style air flow meters which were >popular in the mid eighties? No Such thing as "typical" The ones used on Bosch Motronic used a natural Log (log base e) function of airflow.. Jim