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Forum: Tech Log

16th Sep 2010, 00:09

Replies: 154

New (2010) Stall Recovery's @ high altitudes

Views: 40,108

Posted By Pugilistic Animus

I suppose it would be some conciliation to anyone...

I suppose it would be some conciliation to anyone that airplanes don't really want to stall-at all:)

Forum: Tech Log

14th Aug 2010, 18:42

Replies: 154

New (2010) Stall Recovery's @ high altitudes

Views: 40,108

Posted By Pugilistic Animus

Hazelnut39: Von Karman was Prandtl's...

Hazelnut39:
Von Karman was Prandtl's student---both, researchers--- especially Von Karman ---with his student Hsue Tsien contributed greatly to our understanding of high speed/supersonic...

Forum: Tech Log

13th Aug 2010, 21:23

Replies: 154

New (2010) Stall Recovery's @ high altitudes

Views: 40,108

Posted By Pugilistic Animus

HazelNuts39---nice handwriting ;) since...

HazelNuts39---nice handwriting ;)

since that relation is used by the United States, I knew it'd be right:}

there also be an assumption of infinite aspect ratio so vorticity circulation,...

Forum: Tech Log

9th Aug 2010, 18:00

Replies: 154

New (2010) Stall Recovery's @ high altitudes

Views: 40,108

Posted By Pugilistic Animus

New (2010) Stall Recovery's @ high altitudes ...

New (2010) Stall Recovery's @ high altitudes

New Ideas in Aviation:}

Forum: Tech Log

9th Aug 2010, 17:06

Replies: 154

New (2010) Stall Recovery's @ high altitudes

Views: 40,108

Posted By Pugilistic Animus

PBL no plane is certified for rudder...

PBL

no plane is certified for rudder reversals or any other rapid control reversals, even at or below Va

http://www.pprune.org/tech-log/372145-forward-slips-jet-safe.html

Forum: Tech Log

8th Aug 2010, 20:48

Replies: 154

New (2010) Stall Recovery's @ high altitudes

Views: 40,108

Posted By Pugilistic Animus

The Rudder is probably only useful in a spin; a...

The Rudder is probably only useful in a spin; a spin entered by having applied the rudder and side slipped in the first place:}

The only other thing I can think of is some 'uncertified' mechanical...

Forum: Tech Log

6th Aug 2010, 21:28

Replies: 154

New (2010) Stall Recovery's @ high altitudes

Views: 40,108

Posted By Pugilistic Animus

or as mentioned before...the secondary stall,...

or as mentioned before...the secondary stall, caused by incomplete recovery I think adrenaline, if you know to pitch down' will take care of any positive pitchning moments induced by thrust...

Forum: Tech Log

6th Aug 2010, 20:21

Replies: 154

New (2010) Stall Recovery's @ high altitudes

Views: 40,108

Posted By Pugilistic Animus

of course those are the nice perfect...

of course those are the nice perfect stalls...don't forget the wing-snapper types...FAR 25.343 has a huge loophole:}:ouch:

Forum: Tech Log

5th Aug 2010, 07:03

Replies: 154

New (2010) Stall Recovery's @ high altitudes

Views: 40,108

Posted By Pugilistic Animus

I guess experimental lift slope curve data is the...

I guess experimental lift slope curve data is the only way to go; although I did ASSume at least part of the leftward alpha shift of those curves with increasing M would have been due to that...

Forum: Tech Log

2nd Aug 2010, 18:24

Replies: 154

New (2010) Stall Recovery's @ high altitudes

Views: 40,108

Posted By Pugilistic Animus

(p-pinfinity)/(1/2rhoV^2)/Cpi=1/[1-M^2]^.5+...

(p-pinfinity)/(1/2rhoV^2)/Cpi=1/[1-M^2]^.5+ [M^2/1+{1-M^2}^.5]*(cpi/2)

or maybe just 1/[1-M^2]^.5

no further comments:\:oh:

:8

Forum: Tech Log

31st Jul 2010, 19:11

Replies: 154

New (2010) Stall Recovery's @ high altitudes

Views: 40,108

Posted By Pugilistic Animus

I said this before: the stall is the most...

I said this before: the stall is the most dangerous thing in aviation,...and at the same time it really is not:)

my final answer

Forum: Tech Log

21st Jun 2010, 10:47

Replies: 154

New (2010) Stall Recovery's @ high altitudes

Views: 40,108

Posted By Pugilistic Animus

stalls, as mentioned before, can occur in any...

stalls, as mentioned before, can occur in any attitude, at any thrust setting and at any airspeed:=--- also maximum loading is placed upon the wing at the stall,... that maximum loading varies with...

Forum: Tech Log

14th Jun 2010, 04:40

Replies: 154

New (2010) Stall Recovery's @ high altitudes

Views: 40,108

Posted By Pugilistic Animus

the use of the rudder to lift the wing is...

the use of the rudder to lift the wing is required if you are flying an airplane without boundary layer control non-frise-type ailerons or if you are an aerobatic student

YouTube - Falling Leaf -...

Forum: Tech Log

13th Jun 2010, 01:10

Replies: 154

New (2010) Stall Recovery's @ high altitudes

Views: 40,108

Posted By Pugilistic Animus

Stalls always have the same exact cause, too much...

Stalls always have the same exact cause, too much alpha and the main reason behind the thrust increase is to flatten the flight path and guard against height loss....but increasing the thrust also...

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