Reply to post: Re: Another mighty initial thrust idea

LOHAN ideas..

Magnus_Pym

Re: Another mighty initial thrust idea

My point is that there is nothing holding the rod still or at a fixed direction for the plane to run off it.

If the mass of the girder+payload is zero, the air resistance is zero and the friction of plane against the rod is any value greater than zero then the rod will remain with the plane. In most designs the power is out of line with rod so a turning moment is created. . In real life the values are all small and so small differences are significant. If the friction is higher than the mass can balance then the plane may drag the girder. If the mass is too low the girder may rotate about its centre of gravity. It will fail to constrain or even impede the launch.

The rod (or any other device attached to the girder) is unlikely to add stability to the launch but is likely to cause problems.

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