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Thanks Dave - I've downloaded it. How do you estimate thrust and drag? It's many years since I wrote any Basic, what do I use to run it? Dave S "Dave Pilkington" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Dave, > I have a simple Qbasic program to do just that - it can be downloaded from: > http://groups.yahoo.com/group/ozaeros/files/Technical/ > You'll need to register with that Yahoo group to get access. > > Regards, > Dave Pilkington > > "Dave" <[EMAIL PROTECTED]> wrote in message news:<[EMAIL PROTECTED]>... > > I've been teaching aerobatics for years but last weekend (after a session of > > stall turns) a student said he was surprised at how long we were vertical. > > Afterwards it occurred to me that it would be fun/interesting to look at the > > sums, later I realised that I didn't know how to DO all the sums!!
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