Wow! Blast from the past. It's a vane type air pump. Maybe 4-5 psi boost. From the late 50's to mid 60's. Designed and marketed for small 4 cylinder European cars in the 1.5L to 2.5L engines. I never saw one for Corvairs.
Here is some neat history.. http://ofdc.forumactif.org/t86-the-judson-supercharger-history-and-technics A piece of my "good old days".... -- Wayne DeLisle Sr. > [CorvAircraft] Judson Supercharger? > > Patrick Hoyt pwhoyt at yahoo.com > Thu Nov 5 08:37:19 EST 2015 > What the heck is a Judson Supercharger? > > Saw one pop up on Craigslist: > http://minneapolis.craigslist.org/ank/pts/5292784772.html > Anybody ever worked with anything like that on a flight Corvair...? > Patrick HoytN63PZ - FlyingNX### - Building >
