Show fy 19 till HIGHWAYS ON OH PACIFIC interesting figures secured se fornia ex experts P erts on en pull I 1 R i 1 t to movi move wagon an energetic and intille influent t ld on the the pacific co coast ft dorala state A automobile u t amobile wi lias has carried on some laves yH fording definite figures figure ot I 1 tto the good roads it ja secured the heb J 13 davidson Dav ldson of tile the acme C california ali fornin and austin 11 7 vi state highway engineer in a large number of tests of 0 cirii tie the quiren to move a standard d farm fam K loaded to make the gross aeto eight pounds this wagon W waa bat hai some bome cases by a two ton toa track ck other cases b by a t team M of g horses weighing about 1600 each tests have shown that a pi to 30 pounds per ton of gro grozai selo needed to haul the wagon en 01 faced concrete roads when crete was surfaced with oil ud am lugs ings the pull was increased Increase il to a pounds about 65 pounds were vw for hauling on water bound MI i and on bituminous concrete laid la 01 of cement concrete on gm g roads a pull of ca 65 to 82 bouis aci needed while on loose ewel a was pounds the higi highest leat r ra ony any of the tests about 80 p were ivere required for hauling on bi bigej ous macadam on earth corfi pounds were required for hattit hauling a i good surface co covered re with 1 hi ins of loose dust 89 pounds IOS road through california fertit nary dirt road with dust 3 8 inches inchan M in places and pounds ws muddy earth road the significance of these figures if I 1 1 in the fact that on a good earth emten R it Is necessary to exert three V S the pull that is required on 11 a OD I 1 crete road and nearly mice tie the 1 road it I 1 macadam required on a thedmore ther more when the earth efti comes muddy a condition will i not affect traffic on good the pull Is more than doubled |