Best of the breed
Posted: 14 Nov 2010 11:19
S!
Artigo jurássico de um piloto americano sobre os 109 e 190 :
http://www.sturmvogel.orbat.com/breed.html
Sua avaliação sobre o 109G-6:
"Summary:
Good points:
(1) Reasonable top speed and good rate of climb.
(2) Engine did not cut out under negative "g," also reliable.
(3) Good control response at low speeds.
(4) Easy stall, not precipitous.
Bad Points:
(1) Ailerons and elevator far too heavy at high speed.
(2) Poor turning radius.
(3) Absence of rudder trim control in cockpit.
(4) Aileron snatch (grabbing -- uneven airflow) when slats opened.
(5) Cockpit too cramped.
(6) Visibility poor from cockpit.
(7) Range and endurance inadequate.
Suas sugestões para aumentar a performance :
1) Cancel the camouflage paint and go to smooth bare metal. Besides the weight, about 50 pounds, the grain size is too large when it dries and it causes turbulent friction over the entire airplane surface. That may take a phone call to the brass. They're emotional about paint jobs. "Image," you know.
(2) Modify the cockpit canopy. Remove the inverted bathtub that's on there now and modify as necessary to fit the Me 209V-1 canopy. That's the airplane that set the world speed record in 1939.
(3) Get rid of the wing slats. Lock them closed and hand-fit a strip, upper and lower surface, that will close the sheet metal gaps between the slat and wing structure. That gap causes the outboard 15 feet of each wing to be totally turbulent.
(4) As aerodynamic compensation for locking the slats, setup jigs and fixtures on the assembly line to put in 2 degrees of geometric twist from the root to tip, known as "washout."
(5) Modify coolant scoop inlet fairings. The square corners that are there now induce an unnecessary amount of drag. Also lower the inlet 1 to 2 inches below wing surface to get it out of the turbulence of the wing surface.
(6) Install complete wheel well farings that cover the openings after the gear is retracted.
(7) Retract tail wheel.
All of the above could have been done in 30 days but it wasn't. I don't know why. Someone would have to ask Willy...it's for him to say. "
Já sobre o FW-190 A :
"Summary:
Bad points:
(1) Oil cooling tubes at the front of the engines was a poor choice of location. A puncture due to combat damage, or to simple failure covered the engine section with an oil spray.
(2) Lack of aileron and rudder trim controls in the cockpit.
(3) Vicious high speed snap rolls if stalled under significant "g" load.
(4) Poor turning radius due to high wing loading.
Good points:
Everything else was good. In the hands of a competent pilot the 190 was a formidable opponent. The landing approach speed was high and this shakes some pilots up a bit, but I don't think it's anything to complain about."
Artigo jurássico de um piloto americano sobre os 109 e 190 :
http://www.sturmvogel.orbat.com/breed.html
Sua avaliação sobre o 109G-6:
"Summary:
Good points:
(1) Reasonable top speed and good rate of climb.
(2) Engine did not cut out under negative "g," also reliable.
(3) Good control response at low speeds.
(4) Easy stall, not precipitous.
Bad Points:
(1) Ailerons and elevator far too heavy at high speed.
(2) Poor turning radius.
(3) Absence of rudder trim control in cockpit.
(4) Aileron snatch (grabbing -- uneven airflow) when slats opened.
(5) Cockpit too cramped.
(6) Visibility poor from cockpit.
(7) Range and endurance inadequate.
Suas sugestões para aumentar a performance :
1) Cancel the camouflage paint and go to smooth bare metal. Besides the weight, about 50 pounds, the grain size is too large when it dries and it causes turbulent friction over the entire airplane surface. That may take a phone call to the brass. They're emotional about paint jobs. "Image," you know.
(2) Modify the cockpit canopy. Remove the inverted bathtub that's on there now and modify as necessary to fit the Me 209V-1 canopy. That's the airplane that set the world speed record in 1939.
(3) Get rid of the wing slats. Lock them closed and hand-fit a strip, upper and lower surface, that will close the sheet metal gaps between the slat and wing structure. That gap causes the outboard 15 feet of each wing to be totally turbulent.
(4) As aerodynamic compensation for locking the slats, setup jigs and fixtures on the assembly line to put in 2 degrees of geometric twist from the root to tip, known as "washout."
(5) Modify coolant scoop inlet fairings. The square corners that are there now induce an unnecessary amount of drag. Also lower the inlet 1 to 2 inches below wing surface to get it out of the turbulence of the wing surface.
(6) Install complete wheel well farings that cover the openings after the gear is retracted.
(7) Retract tail wheel.
All of the above could have been done in 30 days but it wasn't. I don't know why. Someone would have to ask Willy...it's for him to say. "
Já sobre o FW-190 A :
"Summary:
Bad points:
(1) Oil cooling tubes at the front of the engines was a poor choice of location. A puncture due to combat damage, or to simple failure covered the engine section with an oil spray.
(2) Lack of aileron and rudder trim controls in the cockpit.
(3) Vicious high speed snap rolls if stalled under significant "g" load.
(4) Poor turning radius due to high wing loading.
Good points:
Everything else was good. In the hands of a competent pilot the 190 was a formidable opponent. The landing approach speed was high and this shakes some pilots up a bit, but I don't think it's anything to complain about."