fanjet

Its principal product, the 19-passenger Gulfstream III fanjet aircraft, costs upwards of $10.5 million and, according to the offering prospectus, boasts the longest range and fastest cruising speed of any business aircraft.

Each $15 million L-1011 will have three fanjet engines, two slung under the wings and a third at the base of the tail for balance and easier servicing.

Still unset tled is the question of who will make the powerful fanjet engines for the DC-10.

Weighing a total of only some 150 Ibs., propelled by a Lilliputian fanjet engine and fed by a back-riding fuel depot of seven to ten gallons of kerosene, the new jet is aimed at superseding a current experimental backpack that is operated by rocket thrust and has a range of only 860 ft.

Roughly one-half as big as a Boeing 707, both planes have two fanjet engines mounted on the sides of the rear fuselage, cruise at about 550 m.p.h. and accommodate up to 83 passengers.