• Hi Guest! Forum rules have been updated. All users please read here.


  1. X

    "Slosh" or "Whine", Monsieur....? (ALLIED vs. AXIS Supercharger Drives)

    A DISCUSSION ABOUT ALLIED vs. AXIS Super-Charger Drives: Recently I had several exchanges with an author of a recently published, well-researched book on WW2 aero-engine development. I was rather interested in his commentary on the merits of the use of the Föttinger hydraulic coupling employed...