the dynamics of mechanical flight1912 |
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Seite 10
... factor 550 is replaced by 375 , which is 33,000 88 , as 1 mile an hour is 88 feet per minute . .35 FIG . 2 . If the weight to be lifted is m times the weight of the motor , the motor must weigh ( 3 ) to be halved with 50 per cent ...
... factor 550 is replaced by 375 , which is 33,000 88 , as 1 mile an hour is 88 feet per minute . .35 FIG . 2 . If the weight to be lifted is m times the weight of the motor , the motor must weigh ( 3 ) to be halved with 50 per cent ...
Seite 18
... incidence on Kirchhoff's theory the factor ( 23 ) Απ 1 + 1 = 22 = 0 · 44 , π 7 ' is required to reduce Newton's coefficient ; this makes the formula for wind pressure ( 24 ) 0.44 × 54 ( 10 % ) 18 THE DYNAMICS OF MECHANICAL FLIGHT.
... incidence on Kirchhoff's theory the factor ( 23 ) Απ 1 + 1 = 22 = 0 · 44 , π 7 ' is required to reduce Newton's coefficient ; this makes the formula for wind pressure ( 24 ) 0.44 × 54 ( 10 % ) 18 THE DYNAMICS OF MECHANICAL FLIGHT.
Seite 28
... factors of the same form ; and here u = a at a corner of the polygon , where the direction , or course , changes suddenly through a the exterior angle of the polygon . The representation is called Conformal , because a small square ...
... factors of the same form ; and here u = a at a corner of the polygon , where the direction , or course , changes suddenly through a the exterior angle of the polygon . The representation is called Conformal , because a small square ...
Seite 29
... negative . Considering a single factor of ( 1 ) , the relation dz = M - du ( u − a ) where M may be complex , and we put ( 4 ) M = Neoi = N ( cos + i sin 0 ) ; and this leads to dx ( 5 ) du so THRUST AND CENTRE OF PRESSURE 29.
... negative . Considering a single factor of ( 1 ) , the relation dz = M - du ( u − a ) where M may be complex , and we put ( 4 ) M = Neoi = N ( cos + i sin 0 ) ; and this leads to dx ( 5 ) du so THRUST AND CENTRE OF PRESSURE 29.
Seite 32
... factors in ( 1 ) so that ( 16 ) dz du = α — — al a2 π M ( u a ) ( u - a ) u - π α2 ) and no break occurs in the direction of motion except at the factor corresponding to the corner traversed of the polygon , so that all the factors may ...
... factors in ( 1 ) so that ( 16 ) dz du = α — — al a2 π M ( u a ) ( u - a ) u - π α2 ) and no break occurs in the direction of motion except at the factor corresponding to the corner traversed of the polygon , so that all the factors may ...
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