L'Avion
Well Known Member
For discussion:
The lack of suitable emergency landing sites in the case of an engine failure after takeoff at M01, Dewitt-Spain Airport, prompted the following research. This is not to "pick on" M01 as it's not the only airport that has "no place to go" in the event of engine failure after takeoff.
I first read the Rogers article three years ago, and practiced the suggested maneuver for a "turnback" at altitude before attempting it for real at KAWM. I was always able to turn back using the prescribed maneuver from 350' AGL in my VariEze while practicing a simulated engine failure. The maneuver is ill-advised without sufficient practice at altitude to assure proficiency.
From the research: Optimal Turn-Back Maneuver After Engine Failure in a Single-Engine Aircraft During Climb-Out
http://pdf.aiaa.org/getfile.cfm?url...*0 &urld='+"\!"@6JU0 &urle='+2P." "KTP
K. Brinkman and H. Visser, Delft University of Technology, Delft, The Netherlands ;AIAA-2007-252 ;45th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, Jan. 8-11, 2007
"In recent years the problem of emergency landing after engine failure has received considerable attention, with vrespect to both single-engine military aircraft, and general aviation aircraft. Rogers pioneered the optimal turnback maneuver following power loss by formulating the return-to-runway problem as a steady-state minimumaltitude-loss optimization problem. The study revealed that the optimum steady-state flight path is teardrop shaped with a 45º bank angle at stall velocity during the turn. In5 Hyde extended the work of Rogers by formulating the problem of minimum-altitude-loss during a 180º heading change as a dynamic trajectory optimization problem based on a point-mass aircraft model. For an initial speed of reasonable magnitude, the resulting maneuver typically is a teardrop pattern, characterized by an initial zoom climb and deceleration and a lateral maneuver representing a wingover."
See also: Rogers' article →
The Possible ‘Impossible’ Turn David F. Rogers
http://jeremy.zawodny.com/flying/turnback.pdf
Always in the best interest of safety-
Best regards,
Barney
The lack of suitable emergency landing sites in the case of an engine failure after takeoff at M01, Dewitt-Spain Airport, prompted the following research. This is not to "pick on" M01 as it's not the only airport that has "no place to go" in the event of engine failure after takeoff.
I first read the Rogers article three years ago, and practiced the suggested maneuver for a "turnback" at altitude before attempting it for real at KAWM. I was always able to turn back using the prescribed maneuver from 350' AGL in my VariEze while practicing a simulated engine failure. The maneuver is ill-advised without sufficient practice at altitude to assure proficiency.
From the research: Optimal Turn-Back Maneuver After Engine Failure in a Single-Engine Aircraft During Climb-Out
http://pdf.aiaa.org/getfile.cfm?url...*0 &urld='+"\!"@6JU0 &urle='+2P." "KTP
K. Brinkman and H. Visser, Delft University of Technology, Delft, The Netherlands ;AIAA-2007-252 ;45th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, Jan. 8-11, 2007
"In recent years the problem of emergency landing after engine failure has received considerable attention, with vrespect to both single-engine military aircraft, and general aviation aircraft. Rogers pioneered the optimal turnback maneuver following power loss by formulating the return-to-runway problem as a steady-state minimumaltitude-loss optimization problem. The study revealed that the optimum steady-state flight path is teardrop shaped with a 45º bank angle at stall velocity during the turn. In5 Hyde extended the work of Rogers by formulating the problem of minimum-altitude-loss during a 180º heading change as a dynamic trajectory optimization problem based on a point-mass aircraft model. For an initial speed of reasonable magnitude, the resulting maneuver typically is a teardrop pattern, characterized by an initial zoom climb and deceleration and a lateral maneuver representing a wingover."
See also: Rogers' article →
The Possible ‘Impossible’ Turn David F. Rogers
http://jeremy.zawodny.com/flying/turnback.pdf
Always in the best interest of safety-
Best regards,
Barney
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