Show NEW ENGLISH AIR TRAMP I IS 1 TESTED English Freight Plane Built t to Bear Four Tons of Cargo u c E Ew Oct 29 A A V. V tramp of or the U air t for r cargo bearing purposes made possible by the development of ot a It slow slow- U speed weight carrying n wing has b been tested set in England I to a point f where l re the U i expert o of The Lf London Times D Dr trade g supplement t predicts r ts that bj by next spring h freight air lines i will l be a reality a D He lie r believes lf that l the iS iSn n new rp type of airplane air air- airplane t plane will be able to carry goods in bulk at rates cheap enough to tomake make this commercially com com- L feasible D The new wing upon which le to success of ot the machine machine depends depends and which is isnow isnow c D now being incorporated In the design ofa of ofa c a big g carrying cargo nog monoplane og has 1 a aspan aspan ss span pa of of feet It and n other details t o of r c n are described by the expert n nH who says H HUGE GE WINGS The he form of ot the wing resembles in c every ery es essential the shape of ot the wings of the most st powerful t fliers filers among m g the eW sg gl birds when e spread for r searing or gilding gilding gild gild- ing flight The p practical C point t about t I gr thea hll hC the air tramp which is to have the new wing is that the machine h e Is to be e built 11 rt oJ solely I f for the carriage r of eg g goods i in bulk bulk- and with t this Idea In mind no great speed P tn will S be sought eI Instead re of averaging 1 miles I an hour like the London r 11 S passenger n 1 expresses e t this g goods train of the tho a ale will fly at a cruising i g speed fl d of h hh not more than h two seventy n miles an h hour h As Its power plant the airplane is to c have two horsepower Napier lion IL engines and there will be such suchY a n. reserve power that normally both engines will willbe willbe ru rube be run only at about half halt throttle while If It one of of them should break down the theother theother ru other when accelerated will have ample I power to keep the machine in flight Id PILOTS COMPARTMENT In n the nose of the fuselage Is the pilots pilot's compartment and not the least leat interesting part of ot the design Is that the whole front of ot the machine will wili swing around on a hinge revealing a i large compartment behind In which the monoplane monoplane monoplane mono mono- plane will carry its four tons of cargo in ina ina a a. special cartridge or container The Idea dea of using such containers Is to lesson the time lime taken talen in loading When a fleet of these cargo machines machines mae mall ma ma- chines e Is in existence It i is purposed t that they shall ll tramp about t Europe Europe g by air l not lot only following any prearranged route but Ut simply visiting the available air airports ii j ports In search of ot cargoes picking up a load oad and taking it to any ny other port porto to o which it may be found worth while to o fly To simplify the taking up and fl jf setting down own of ot loads a number of these containers will be distributed among the fl JE European air all ports so that whenever possible they may be filled ready with fl JE goods roods before the arrival of the machine In n which case it will be possible to slide IL l he the the ton four-ton cartridge into Its place in inno inno inno no more time than is required to fill up tip the he tanks with petrol and oil WEIGHS 11 TONS When the monoplane has her f full ll r load oad of four tour tons and fuel for tor a flight of miles nonstop she will weigh about el eleven cleven e v en tons and to n move this this thin about el eleven cleven e v en tons and to n move this this thin through the air at a speed faster than that hat of ot an eX express ress train and to do so i with Ith throttled moors between n them hem no more than about horsepower will be a most encouraging performance IU The argument which has been advanced advanced ad ad- against the of ot large IU passenger machines at this early stage IU of airway operation because of ot the dif dif- of ot obtaining regularly full loads IU owing to the rooted deep distrust of the he air which the ordinary man still i- i rue evinces and his la lack k of ot appreciation ol ot the he high factor of ot safety attained does IU not apply in the case of goods provided they hey c can be carried in bulk at t prices ri il hc ii which h are e attractive not t merely el t to the isolated consignor but to the business world In general It Its It's Is here that the new newall d dair d'air ii air all tramp lifting big loads with A small Il E expenditure of ot power and flying at a a. moderate speed should find its field of utility |