Crane operator is so far removed from the ground and the load, he cannot see any obstacles that may be in the way. The spotter helps spot for the operator by keeping a watch for any problems and radioing instructions to the crane operator. With constant radio contact,
FEAMAC is a software package developed and released by NASA-GRC for the design and analysis of structures composed of arbitrary multiphase composite materials be they ceramic, metallic or polymer based and continuously or discontinuously reinforced.
Most tow trucks now being manufactured include means of lifting and towing vehicles by engaging the tires, axle, or suspension of the towed vehicle, lifting and securing the towed vehicle to these means before transporting the towed vehicle from the load site.
Safety in small aircraft has been an issue since the beginning of flight, especially for lightweight engine powered personal airplanes also known as ultralight/microlight aircrafts. Currently these ultralights are rapidly transforming into high performance aircraft for recreational use with a very respectable speed and range.
We submitted the patent application for this invention on March 18, 2003 under ? 4192/01/-- 003.
But all experts have told us, that it is idiocy: low pressure inside a wing makes nothing - elevating force is a result of a difference of pressure around a wing.
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