Rod Machado's books say that you will lose 3%/1000 ft. At 08:54 AM 11/13/2004 -0600, you wrote: >At 07:37 AM 11/13/04 -0600, you wrote: > > > > > > According to the Cessna pilot handbooks of operation for the common 152, > >172 variety, the normally aspirated avaition engines seem to lose roughly > >about 1% of horsepower per 1,000 feet of increase in altitude. > >>Colin & Bev Rainey > >+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > >In my earlier post I didn't take in to account that you could go to >full rated RPM at 10,000 feet to produce more HP but I still find it >hard to believe that you can produce 90% power at 10,000 feet >, even at max RPM, with only 65% MP. Just a gut feel here. >I'll not let scientific fact get in the way. :-) > >Larry Flesner
Larry Severson Fountain Valley, CA 92708 (714) 968-9852 lar...@socal.rr.com