Unfortunately, information about the author is unknown to us. But you can add it. Read full biography of Lawrence Hargrave →
The closer the bird is to the surface of the water, the firmer and more inelastic is the uplift of the rising air. The bird appears to almost feel... →
The wings are moved several times by hand to charge the crank chamber with mixture, which flows on through the external pipe and inlet valve to the... →
Used as kites, these rigid stable aeroplanes are superior to the very best cellular kites I can make; they are lighter, pull harder per square foot... →
Common sense steps in here and says: Separate the parts you want to be mobile from the parts you want to be inert. You have seen the result, and I... →
If you direct your attention to the position of a bird with regard to the wave surface, it will speedily be noticed to be nearly always on the rising... →
The most ordinary conditions for observing sailing birds are then the wind and sea are both aft.
Bent metal is worse than bent wood and weight for weight is more flexible.
It becomes a giant's task to compute the result when the effect of cross seas, wind at all angles and ever varying force, arched surfaces, head... →
And from a poise at this station the plane may swoop down, at great disadvantage if close to the back of the wave, at various slopes and directions... →
As to the effect of the wave on the air, we will suppose the water to be quite flat and the air motionless, a heavy undulation comes on the scene, it... →
The plane is simply abstracting the power stored in the wave by a distant gale, and using it to counteract gravity. And if the work be continued long... →
To remove this obstacle I repeat or refer to such knowledge as has come under my notice, my own previously expressed views, and also describe and... →
Unfortunately, information about the author is unknown to us. But you can