| Show J ri rigid 0 id air safety code beneficial to U S aviation one reason for the supremacy of american aviation over foreign rii vals is supplied by estimates that this count rys eom commercial mercial air transport companies spend per cent Y J more each year on research main cenance and inspection than all the it rest of the worlds airlines 0 1 rigid safety standards ar are e applied a to even seemingly minor items of 1 au ail equip equipment men t by aviation inspection it 1 I crews an example of their uni I 1 usual requirements is found in a rei 1 port on the development of a new ol 01 1 I type of plane re fuelling hose now in 14 1 olt I use by major oil companies having re fuelling contracts at airports from j I 1 coast to coast five years of research by scientists of the B F goodrich labora tories lories went cinto into the perfecting of the new hose which incorporates safeguards against two peculiar aviation problems A special compound of synthetic rubber was developed for the hose to prevent the natural rubber which has a tendency to disintegrate in contact with gasoline from passing into the motors the new compound is said by technicians to be completely gas oline proof stranded stainless steel wire was also woven into the hose in order that static electricity which might t have been generated by the friction of air on the planes surfaces in flight might be conducted harmlessly to the ground through th the wire which is attached to couplings 0 on the field |
