Arnold Pieper wrote:

"The elevator forces diminished as expected"...
I don't know why you expected this behaviour, since this goes against
certification requirements and against normal flight behaviour.
None of the gliders and aircraft that I've flown in the past 24 years
present this characteristic.

What's your weight ?

The certification requirements (both JAR and FAR), spell out that stick
forces have to increase with increasing G-loads, all the way to VNE.
Static stability requiremens for certification say that the airspeed has to
return to within 15% (10% in the case of FARs) of trimmed speed, for all
trimmable speeds between stall speed and VNE, and any significant change in
airspeed HAS TO cause a variation in stick force plainly percepbible to the
pilot.

The rules are there to be transgressed - either by older gliders
(grandfather right) or because some design may get derogations to these
rules in the certification process


JAR-22 says about Dynamic Stability that "any short period oscillations
between Stall Speed and Vdf must be heavily damped" with the primary
controls both free and fixed. Vdf is the demonstrated design speed, VNE is
90% of Vdf.

May you please recall us how long is a period of a "short-period
oscillation" on a glider ?


--
Denis

R. Parce que ça rompt le cours normal de la conversation !!!
Q. Pourquoi ne faut-il pas répondre au-dessus de la question ?