Show air intake important on tractors Trac tora and motor cars cara tests testa conducted by tho the dep department artmont 0 f agricultural engineering of the university of california have shown the tha vital necessity of having efficient air cleaners on trac tractors toro trucks and autos which ore are to be used under dusty conditions so well veil has fact been impressed upon designers I 1 und and manufacturers that now such each clea cleaners n ers are standard equipment upon k most tractors and motor vehicles recent milecent continuations of these tests as an to the effect of the location of the air intake of tractors show that when the carburetor air inlet opening faced forward three and one halt half times as aa much dust was taken la in as when it faced toward the rear this la Is a very striking fact and one that tractor truck and auto purchasers should take into consideration in selecting an outfit no doubt even better would bo be the plan of lifting the carburetor air intake above the worst of the lie dust by means of a vertical pipe extending several feet above the tractor the opening of this should be turned back instead of forward or possibly might be fitted with a revolving cap which would always face away from the wind |