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John Cooper wrote:
Ø
A fully developed stall without
rudder pedals would
Ø
likely be unrecoverable,
especially if it was power-on.
Would rudder pedals make the
difference? The rudder and vertical stabilizer surface on Coupes is
pretty minimal.
An even more key question seems to me to
be: Is there enough down-elevator available to break the Coupe out of a
deep stall, given its unfavorable wing airfoil?
I hope anyone deciding to explore that 20°
up elevator travel in a straight elevator Ercoupe will make darn sure that the
plane can’t
fall on anyone and that he’s wearing a parachute and doing the testing at
a fairly high altitude.
We, however, aren’t the polizei.
______________
I’d note that in normal operation,
any amount of stall a properly rigged Coupe can enter can easily be exited by just releasing the back
pressure. And, as part of its certification, the plane has shown its
ability to not enter a spin, indeed to come out of any spin started by extreme
means (like a hammerhead stall) on its own in spite of incorrect control
inputs.
Ed Burkhead
http://edburkhead.com
ed -at-
edburkhead???.com (change
-at- to @ and remove "???")
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