On Fri, 2008-06-13 at 12:26 +0930, Terry Neumann wrote: > > I imagine that most of us use Wikipedia from time to time - I > certainly do. > > I was curious to read in its account of the Gimli Glider, that the > pilot executed a "forward slip" to lose height rapidly on approach to > his selected "outlanding site ". > > I had never heard of "forward slips" before, however Wikipedia goes > on to deal with aeronautical slips in greater detail on another page, > including a not terribly helpful or convincing explanation of this > manoeuvre, as well as a marginally more reasonable explanation of side > slips at: http://en.wikipedia.org/wiki/Slip_%28aerodynamic% > 29#Forward-slip > > Sideslips were of course, a common, almost mandatory practise on > approach with the early ES52's and especially with the ES57 > Kingfisher. They were lots of fun, but fell out of favour (and > properly so) when gliders with serious airbrakes came along. I > have been occasionally asked to demonstrate a sideslip in more recent > check flights, a curious request given the excellent airbrakes in most > gliders these days - especially in the AS-K21 in which the directive > was uttered. ("You want me to do a what??! .... Oh.... OK, here we > go .....(sigh)"). Personally I think they are best left alone in > most - if not all - modern gliders, unless of course it's a B-767. > > > Would any of the numerous exponents of aeronautics in this worthy > group care to comment on what they make of this "forward slip" > thing? > > Regards, > Terry. > After reading the referenced articles it appears that there is a North American usage of the words "forward slip" for what we would call a well executed side slip!
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