In article ,
(JJ Sinclair) wrote:

Lets see now, I'm about here, so how far to home? Should have put
some of those "old-fashioned" distance circles on this
"old-fashioned" map. OK, at 1000 feet per 15 statute miles

What are you flying that has a 80+:1 glide angle? Surely you can't
count on making up that much in arbitrary air just by dolphining, even
in a 60:1 supership?

100 ft per km is really easy, so that's what I generally use. That's
33:1.

-- Bruce