I agree with you Alan,
I think that what you get out of an Europa Classic is relevant to how
far you are willing to push the throttle forward and there is very
little difference in aircraft.
Barry Tennant
Alan D Stewart schrieb:
>
> I'm never surprised by findings like these.
>
> I'm not sure whether it's instinct, or the straightforward consequence
> of aerodynamic principles. It seems to me that the profile of most
> Europas is pretty similar: XS, classic, monowheel, even tri-gear: They
> are all pretty sleek and smooth, with low drag, high efficiency and not
> too much excess power. It's not like they are covered with a myriad of
> draggy protuberances which detract from their form and demand to be
> 'designed out' !
>
> Is there really so much scope for performance variation ? Or is it all
> down to understandable, wishful thinking on the part of proud owners ? I
> now know the performance of my airplane, but it's been a long hard
> effort to get there. The final results are within a knot or two of the
> original figures for G-YURO, all these years ago.
>
> In my imagination, given the efficient shape, power is the limiting
> factor. Put in more, and you go faster (to a point; with rapidly
> diminishing returns !). Franky, I'd be really surprised if 10 knots
> separated virtually all of them.
>
> I have a clear memory of an hour long cross country, from the Midlands
> to S.E. England alongside an identical Europa with more that 20% more
> horse power at its disposal than I had, and I can honestly report 'IMHO'
> that he wasn't 'pulling away' !!
>
> But what do I know, ehh ?
>
> Alan
>
>
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