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Show rrrses. Other means of arriving at a' fin Far result are admission of air 'hroufh povplve'y controlled vit'vr-s Interconnected with the usual butterfly butter-fly thro'tle, or by devices that red K'9 iho orifice of the atoailzlrg no.'.zlo. la n any carl jrcters maue fur a i'o-n i'o-n t 1 lie use s the fl ats and float rhsm- e rs are n nde ccik ritrl" In form, s-tr-rounding the aton.U'ng nozzle, tae I uro-c being to maintain th bvd of fio l (n tho iit.rde, regtr!es of loe--rdaft or lateral tilting of the vo-;!t vo-;!t 1 In a fylng machine thli seems hard-y hard-y rec.--.si.ry, lerause lorgitudi'ial ti ling never under normal conditions jean exie.d thi compara' veiy .t sirs ig'is of g'ldi'ig or asc-'ndlrg. w j lateral tilting Is compensated for ty I the c. -ntriteg i force wt i p In turning 'witbh acts ii(s.n the II juid within ti.e i fi mi than. her as well as upon other el-I el-I en '-nts In the machine, j Jiany of the loremoU deigTrs favor positive fuel In'erMon Into the cylinders In place of carbureters. This pcl:lve form admits of much closer regulation than Is possible with the rs-la.reter. lierause th Iriiecllon may bo timed. It pe rn.l's of high enmpre-s-flons without preit;nli!on, the fue In-J.e'ltn In-J.e'ltn rbe delayed UtiMl tho Ignl tlon Is wanted. Obvloiifly cue of tho chief objections objec-tions to tho genera en ployment of fuel Injerifon Is tint eif e ommuiat Pig tho fuel to the (! T ril.t cvllnders without the objectionable scho'tie of t e i : it g a pbira.i'v of put; is, coie for each ev'inder. This, besides ailing ail-ing comp'iriMi n. scarcely will al-i.lt of suth adj. ,nn ent as to give exactly i fil orrn results In all of the cylinders dtf: cully which Is no rroater than that of pull ng tho Int iko manifold from a carbureter so as to proJuce uniform fodlrg K'obrnghL Mil. br W. O. Chapman.) When tLc time comes that an aviator avia-tor i: ay make adjustment of his car-.iire'or car-.iire'or ;t well as other portions of ths motor upon whl-li lo d- p'-ndi vtn more than e!oet the chauff -ur on lis auto': cbllo engine, the p:o; l.-m of cart ure. let) will riot pres. nt so many dlficult views. The ordinary carbureter, sa Victor lAar-hid. author and ergim-tr. Is la ost r -spe-cts a noiiposI:lt ii.echa-aise ii.echa-aise . In c e r.-t que rco cf w hi . h It f unc-tlotilr unc-tlotilr r is attended with many unc r-Uii'.tb-s. This Is cbvlo ;ly true even ki Ih- uu a.ol lie fo-IJ Incrrnso the n.otor car dl.T.culrl' s xany fo'd ar.d add thf tare tl.at th aviator bas t.i exercise In cp-ratirg ii I Ii k I'.tth.ne ani jou may re- all'o what citburctlon In alr-tuachlne li.otors uienns. Yet the carbureters In f!itig machines ma-chines are very similar to tho.e la the best automobile engines. To secure se-cure uniformly proportioned fuel. It Is r e ( -; ary that the fuel level In tin atori.ldr.g nozzle be maintained fairly fair-ly constant. Also for variable sp." d et.glnet. It Is deslrablo that the cer-lu.et.r cer-lu.et.r action bo such as not to d-rat.ee d-rat.ee the n.lxture ii.aterlally th-oagh the tuition from different ipe.-d. With no means of coieie nsati n, at h'sber engine peds and cons- q n-nt j higher fc'.c li n extra air It ad iiitt.-l i throt. go a valve automsticsl'y otx-r jaud, c;enirf wider as the sucilon In |
