THE WORLD'S AEROPLANE FACTORY.

Oamaru Mail, Volume XXXVIII, Issue 10604, 5 November 1910, Page 2 (Supplement)

THE WORLD'S AEROPLANE FACTORY.

France seems to have eei:c : m ~ aeroplane business in earnest si-'''■' making them, not one or ;v. n '| h ,,'.','''' 'i there, for experimental i.,,, ~r ,-! „-" u hut in quantity, on a cumincrchl '"""i"' She will ho to the aernp!;,* u ,..'„. u ' ,'• was to the, automobile— Ihe (lev Y S and exploiter on a hirer scale ' "t ! cares not who invents mi 1m,,-' ~s '".'* can supply the world's iu.nl;, is ' s idea of how far beyond i),,. ex|ierii,','',' le tal stage the manufacture „f |.' r .".'l' aeroplanes has proc,re*sed | ]llv , gained from the facts, noted hv \\\ ren H. Miller in an article in //' Engineering Magazine (.\v u - y'i° August) that Bleriot has just sn|,| t,' 250 th machine, that Farinan, 50,,,,,'* Antonette, arid Voisin have 'Jit t „ k apiece on their books, and (hat ,|| ' sue handsomely illustrated ealaloi standard types ami sisw. too, has its school, with a diroclnr -mi stall' of pilots; and the number of'J rolled pupils and recent Luadu;il ra -i these exceeds 400. Say-. j| r Mil],,',.. "Among the few .>>ri!:'-ip| ( . s uy have become so established tluit aeroplane c:ui he ooira'dcred Hcnhlir' ally correct tliat ignores i|,,, ;n arc, lire' the discovery of Lan;;l.*y ;| :a t a'pla,,', is more efficient, if present.,J v,!:||':|' longest dimensions ncros tin- veind' th-i-i in any other position, if turned ti'u, other way, or if square, it i,-. markwllv less efficient. The nec-on ;-. ,],;,, kinetic energy of the relative t p,,,,j J* each particle of air is at "tic'taken nut of it the instant that it ,• us in , tact with the plane. It i-. i 1,,,-,, ,i Ml | and inert, and the- sooner It is |i;i<4l oif astern and fresh parlc-le.-, ..,; .„,. " ntu lised, the better f^ second well-established principh, i s t |, ;il a curved plane h:is a yv::\t deal moi,, lifting power than n Mat eta* The reasons are somewhat inm-,. e,,,',,] plex than those for the po'-itioii uf tiio ]>lar.e for maximum ciiicicacy. . 'flic third principle is that of Mrsi'iivim; ;| k , plane laterally whilst in flight. " Oli. viously there is no great treiih!;* in p r ,,. venting the tiling pitching, an I'ither a .-tail'with feathering or a small jiiane iu front will be'nm'plu to preset ve tho lurt-and-aft stability while in tli;;|](; Imt sidewise it is a different matter. . . .

Unfortunately the prir.eiple of liuvinjj | the'centre of gravity iie'linv Hn> jmint /of support does not work us cHicicntly in air as en the sea. Tluve sir? nu- , nierous planes oniploymg ilnV iih'u, flip wings extending iu a wide V with all the weight-at 'Hie 'bottom. || then always remain miloinnliciiHv up. right-—and it will, when I'allin;:! just like a fdiuttle-coek; lint ivlu-n unik way, the aeroplane can dip <-mt?i<lt<r:il:!r from one side'to tho other li. i-M-.v if k swimming through the air lioriMlallr. ... Undoubtedly the hw «;,vi, keep the aeroplane -im j;a •. vi-n Wis to. use some of the force obhiiiu'd Ira its passage through tho ::ir hi tcji , its plane .steady, and this ran hj" ln» j either by warping the winij; tip:, ot by putting on little win::.; at iln' tin which can he' moved out <ii' dr..' y.<<mn\ angle of the pla:.o, ami \h:,v- .'.vert a lateral couple, or else liy v-m-ping tin horizontal "ftathei-i::g. Si ill niiotlw way is the vevtleuh-.r i-eliuliir-pliiiif principle of the. Yoi-in and ntliiT French planes, though this is nut a? positive in its action as the others, localise the plane can tip considerably Inl- - it comes into play. II is the list' of this warping principle and its patent by parties in America that bs stirred rip such a row among the Imtihli. lint a discussion of the pros and nms "I il lies outside this article. "With' these three p*. ineijfc |imperly provided for in the norojihuio, ami a light motor, one has the mi'inis w flight through the air: and their mmbiration in five different ways lias brought into the field of Kronrli aviation the fivo large inninifiicliiriii!* <«- corns iv.anticned above."