Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!seismo!rutgers!sri-unix!hplabs!ucbvax!CSV.RPI.EDU!weltyc%cieunix From: weltyc%cieunix@CSV.RPI.EDU (Christopher A. Welty) Newsgroups: sci.space Subject: X-29 Message-ID: <8611130630.AA20133@cieunix.rpi.edu> Date: Thu, 13-Nov-86 01:30:48 EST Article-I.D.: cieunix.8611130630.AA20133 Posted: Thu Nov 13 01:30:48 1986 Date-Received: Thu, 13-Nov-86 21:20:11 EST Sender: daemon@ucbvax.BERKELEY.EDU Organization: The ARPA Internet Lines: 16 I appreciate the comments H Thomas Sharp has on the X-29, but I have one question about something he said: > o While wing sweep, either fore or aft, postpones the drag rise near > Mach 1, a FSW has a lower wing profile drag than a ASW. Therefore, > one can obtain higher lift coefficients under transonic conditions. > This translates into a greater payload capacity for a given aspect > ratio. I'm by no means an expert, but isn't profile drag simply the sum of the skin friction and form drag of an object? How could the wing being forward or backward swept have anything to do with it, do you mean the FSWs are generally of a different shape? -Chris