Show British Test Jet in ln Driving riven Plane LONDON Nov 4 United Press British aviation experts are awaiting with Interest the results of tests of a new apparatus for tor propelling an airplane by means of or Jets Instead of the usual propeller A mixture of or air all and gas gas Is exploded ex exploded exploded ex- ex as In an ordinary Internal combustion engine but the expanded expand expand- ed gases Instead of r being used to drive a propeller pass ss o through a series of funnel tunnel shaped conduits each larger than the other until they pass out Into the air all with kith a u i volume and velocity great enough to produce a high propulsive force I Laboratory tests so far carried out with the device indicate that the promising results will be obtained obtained ob obtained ob- ob when it Is Js tried out on a full tun scale on an airplane It is the invention in in- invention of M. M H. H F l a French engineer |