Flaps on take-off and landing

I've only heard of the "coffin corner" in reference to helicopter flight.

mike

"Mxsmanic" wrote in message
...

By envelope I mean the area of safety between two extremes, e.g., the
"coffin corner" of some aircraft represents a very tiny envelope,
since more than a slight movement in any direction may result in
irrecoverable instability.

On Fri, 15 Sep 2006 02:16:58 +0200, Mxsmanic
wrote in :

Sometimes if one must
descend rapidly just idling the throttle doesn't seem to be enough to
stay below hazardous speeds,

In those situations, you can descend by flying slowly (slower than Vx)
on the other side of the knee in the curve, but you must remain above
stall speed.

In those situations, you can descend by flying slowly (slower than Vx)
on the other side of the knee in the curve, but you must remain above
stall speed.

Try it at altitude first so you get a feel for the impending stall
should it occur. I did this to a landing once in a spot landing contest
where we were not allowed to slip, and I was high. Scared my passenger
(also a pilot) though; apparantly he hadn't really done much full-stall
slow flight.

Jose
--
There are more ways to skin a cat than there are cats.
for Email, make the obvious change in the address.

On Fri, 15 Sep 2006 02:38:11 GMT, Jose
wrote in :

In those situations, you can descend by flying slowly (slower than Vx)
on the other side of the knee in the curve, but you must remain above
stall speed.

Try it at altitude first so you get a feel for the impending stall
should it occur.

Remember, he's flyin' a sim.

I did this to a landing once in a spot landing contest
where we were not allowed to slip, and I was high. Scared my passenger
(also a pilot) though; apparantly he hadn't really done much full-stall
slow flight.


Full-stall slow flight. That's an interesting term; you really mean
partially stalled, right?

Full-stall slow flight. That's an interesting term; you really mean
partially stalled, right?

Tell you the truth I don't know how much of the airflow had separated
from the wing, but I was pulling up as hard as I could on the yoke, and
the airplane was shuddering and struggling to stay aloft (and sinking).
The nose was bobbing, so it's as full as I could get, steady state.

Jose
--
There are more ways to skin a cat than there are cats.
for Email, make the obvious change in the address.

Larry Dighera writes:

Remember, he's flyin' a sim.

You can still crash, which ends the flight. The big difference is
that you survive, and you immediately get a brand-new aircraft to
replace the broken one. Just one of many advantages to simulators.

--
Transpose mxsmanic and gmail to reach me by e-mail.

On Fri, 15 Sep 2006 16:44:18 +0200, Mxsmanic
wrote in :

You can still crash, which ends the flight.

Right. But there is no need to take the aircraft to altitude when
practicing flying on the back side of the power curve. It would just
be a waste of time, as there are no physical consequences of crashing
a simulated aircraft.

"Larry Dighera" wrote in message
...
In those situations, you can descend by flying slowly (slower than Vx)
on the other side of the knee in the curve, but you must remain above
stall speed.

Kind of depends upon the aircraft, doesn't it? Some aircraft stall so
benignly that you could probably just descend vertically in the stall and
then recover at some point before you become one with the ground... grin

I seem to remember a 150 or 152 at one time that when I was flying it solo
and practicing stalls, even with full back yoke and throttle at idle, I
couldn't get a noticeable break... Yeah, the descent rate increased, but it
was very stable in the descent... After awhile, I got bored and just told
myself, "yeah, I guess we can call that a stall"...