Homeguard,
The Demonstrated Crosswind Component is not an actual flown exercise but a mathmatical calculation based on designed control available.
I disagree. My understanding is that the demonstrated crosswind is simply that which was observed by the certifying authority during flight testing for certification. I'm sure there are certain minimum crosswind capabilities that are mathematically built in at design time, like the FAA required 0.2Vso for example (something like that anyway). But I don't believe the demonstrated one is a limit unless somebody decides to make it so (A flying club's regulations for example). I certainly don't suggest anybody tries it, but I am sure I am not alone, I am sure there are many PA28 and C152 pilots out there who have landed in crosswinds several knots in excess of the demonstrated without any difficulties.
Now the PA17 on the other hand...well my limit is somewhat lower
