the dynamics of mechanical flight1912 |
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Seite 8
... at Q f / s ; and a pressure difference arises in consequence , which gives a resultant thrust , T lb , on the under side of the plane . The vertical component , T cos a , is called GENERAL PRINCIPLES OF FLIGHT, LIGHT AND DRIFT.
... at Q f / s ; and a pressure difference arises in consequence , which gives a resultant thrust , T lb , on the under side of the plane . The vertical component , T cos a , is called GENERAL PRINCIPLES OF FLIGHT, LIGHT AND DRIFT.
Seite 16
... ' , and even with e = 0 , this gives ( 17 ) Τ Ꭺ 2 = -- 25 20 Q 2 100 lb , ft2 ; a wind of 20 f / s giving a pressure of 1 lb / ft2 ; or if the velocity 22 Qf / s is the equivalent of S m 16 THE DYNAMICS OF MECHANICAL FLIGHT.
... ' , and even with e = 0 , this gives ( 17 ) Τ Ꭺ 2 = -- 25 20 Q 2 100 lb , ft2 ; a wind of 20 f / s giving a pressure of 1 lb / ft2 ; or if the velocity 22 Qf / s is the equivalent of S m 16 THE DYNAMICS OF MECHANICAL FLIGHT.
Seite 17
... gives numbers much too low at a small slope of the plane . Apply the formulas to Maxim's machine , where the area A = 4,000 ft2 , at a slope of 1 in 5 , so that 1 , sin a or tan a = 5 and cos a = 0 · 98 may be replaced by unity . At a ...
... gives numbers much too low at a small slope of the plane . Apply the formulas to Maxim's machine , where the area A = 4,000 ft2 , at a slope of 1 in 5 , so that 1 , sin a or tan a = 5 and cos a = 0 · 98 may be replaced by unity . At a ...
Seite 19
... gives a solution for an aeroplane AA ' ( Fig . 4. ) The stream of air , coming from infinity at I with relative velocity Q , is split along a curved stream line IB , and divides at B on AA ' into the two stream lines BAJ and BA'J ...
... gives a solution for an aeroplane AA ' ( Fig . 4. ) The stream of air , coming from infinity at I with relative velocity Q , is split along a curved stream line IB , and divides at B on AA ' into the two stream lines BAJ and BA'J ...
Seite 31
... gives ( 10 ) The case of a = 2 ZA M ( u - a ) 1 1 = a 1 π requires special consideration ; here the interior angle of the polygon is zero , and the point A is at infinity ; the two sides of the polygon are parallel , shown meeting at A ...
... gives ( 10 ) The case of a = 2 ZA M ( u - a ) 1 1 = a 1 π requires special consideration ; here the interior angle of the polygon is zero , and the point A is at infinity ; the two sides of the polygon are parallel , shown meeting at A ...
Häufige Begriffe und Wortgruppen
aeroplane air ship Alternating Current Analysis angular velocity axial axis axle balloon bicycle wheel blade Boilers c₁ c₂ calculation Chemical Chemistry conformal representation constant cos² couple cylinder denotes density Design diagram diameter dynamical Electric Elementary Engineering equation fire balloon Flight fluid flying machine formula ft-lb ft² given gyroscopic Handbook horizontal hydrogen hyperbolic Hyperbolic sector integral Internal Combustion Engines intrinsic equation Kirchhoff Lake Pigments lb/ft² leather lecture lift Machinery Manufacture Mechanical Modern momentum morocco motion motor numbers pendulum pilot pitch plane AA polygon Practical precession Q f/s Railway Report 19 right angles Salter Science Series screw propeller Sewage sin² speed spin Steam-engine stream lines Testing theory thrust Trans Treatise Turbine vector velocity Q vertical Volumes weight Westminster Series wheel wing area ΦΩ
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