Show r- r 2 4 r f 4 iJ J iV i f 4 i- i i if f t t r fl 7 W Q rt l i.- i. 4 ft Ji i v r p Ii 4 f w w t. t l f S. f f i fT i. i p f l ij 1 i. i t t. t a. a i. j r a w wI IJ I i Ar L i 1 A L' L l' l i i D' D w V t m iRI iR I J J r. r D 4 J f if v. v fi Vh 1 i t. t 4 j r t I r i tt t t t i it v 0 v M I V ti Y i LL i ds s. s wt i 4 JET HELICOPTER Former navy navr pilot William Murray Wilton Conn flies flics the experimental helicopter K during its first successful flight just announced by the nav navy r. r Instead of or using velocity of exhaust gases for forward thrust the craft uses this power to turn shaft of rotor blades Engine can operate on low grade fuels or on high octane gasoline Unlike piston engine the turbine requires neither a cooling fan or a centrifugal clutch Engine is hp bp |