Forgive the intrusion, I guess most RAF/FAA chaps on this forum know about the ski jump performance enhancer qualities but anyway JF's remarkably accessible and readable reply to my layman's question can be found here:
http://www.pprune.org/rotorheads/111...ferrerid=30158
Regards
Cron
Last edited by Cron; 11th Jul 2009 at 22:54.