The Vokes “Dis­tri­bu­tion Rec­ti­fier”

Old Bike Australasia - - CLASSIC COB -

I re­call years ago in mo­tor­ing mag­a­zines, be it car or mo­tor­cy­cle, var­i­ous de­vices ap­peared in ad­ver­tise­ments of­fer­ing claims for all types of gad­gets. They all guar­an­teed the same re­sults, easier start­ing, less car­bon build up, more miles per gal­lon, im­proved ac­cel­er­a­tion and higher top speed. Re­cently whilst in Vic­to­ria, Rod Tin­gate gave me one such de­vice to­gether with pa­per­work from the man­u­fac­turer Vokes who were the mak­ers of air cleaners for Bri­tish mo­tor cy­cles. The pa­per­work com­ing with this de­vice was as fol­lows: ‘The Vokes “Dis­tri­bu­tion Rec­ti­fier”. A fur­ther ef­fi­cient con­tri­bu­tion for the ben­e­fit of im­proved mo­tor­ing, de­vel­oped by Volkes Ltd, Pi­o­neers of Sci­en­tific Fil­tra­tion. Fit­ted be­tween the in­take man­i­fold and the car­bu­ret­tor the “Rec­ti­fier” takes all bias out of the mix­ture flow and im­proves va­por­iza­tion. Vokes Ltd Guild­ford, Sur­rey.’ Fur­ther pa­per­work in­di­cates: “The Vokes Dis­tri­bu­tion Rec­ti­fier Pos­i­tively Pro­vides: Easier start­ing from cold. Bet­ter va­por­iza­tion of the mix­ture. Even dis­tri­bu­tion to ALL cylin­ders. Smoother run­ning. Greater flex­i­bil­ity and power out­put. Smoother torque. Bet­ter pulling at low speed in top gear. Less gear chang­ing. Bet­ter top gear per­for­mance. Im­proved ac­cel­er­a­tion and fuel con­sump­tion. In­crease in miles per gal­lon. Elim­i­na­tion of flat spots and stalling. “This im­ple­ment as stated is fit­ted be­tween the car­bu­ret­tor and man­i­fold. It is very well made and for car­bu­ret­tors with an inch and a six­teenth ven­turi and two inch mount­ing. There is a mesh cen­ter which is con­caved in­wards leav­ing the in­ner nine six­teenths for the nor­mal and reg­u­lar un­re­stricted man­ner of flow. I am aware that some years ago tuners of rac­ing sedans had gone away from pol­ish­ing ports to in­sert­ing twirled metal on the walls of the in­take man­i­folds to cre­ate a swirling gas flow into the com­bus­tion cham­ber. How­ever I had not pre­vi­ously seen nor heard of this type of fit­ting for mo­tor­cy­cles.

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