Arizona republican., 1919-02-09

Cadillac connecting rod are practically the same except as to size. A large share of this work was assigned to Cadillac because of it's dexterity in handling the tough metal that was re- quired. A new plant, with an area of 223.000 square feet was equipped and utilized for Liberty motor production.
 The adaptation of the club method so that it could be practically used for 'calibrating' or measuring the power of Liberty motors was a product of Cadillac genius, and it proved to be indispensable in accurately determin- ing the horsepower. It takes prece- dence over the old torque stand and the electric dynamometer. which were the only previous methods, the latter being very expensive to use.
 The problem of keeping the cylinders cool when welding on the shoulders was uniquely solved by L. w. Kauf- man of the Cadillac company, and was extremely valuable in speeding up the Liberty engine production at the time when there was a crying need for them.
 Early in January, 1918, Howard E. | Coffin. then head of the aircraft board, appointed a committee consisting of three eminent engineers 10 act in an 1 advisory capacity in regard to the i'm | provements to be made in future series | of motor production. instructing them ! to make tests for the Liberty engine and recommendations for changes which they considered necessary to overcome existing defects. D. Mccall | White. vice president of the Cadillac Motor Car company, was named by Mir, Coffin to serve on this committee
 A two and one-half ton artillar- | tractor of the track laying" type was designed for governmenteuse to ncgo- tiate very soft or uneven surfaces i'm passable to the usual type of power Vehicle.
 Development of V-type Engine
 Rather than experiment with a new engine, it was found that the standard Cadillac eight-cylinder V-type engine with some slight changes. was not only capable of doing the work, but that .it further demonstrated the most re- | markable ability in several astonishing tests. In one of the tests the tractor was tied fast and under the power ot the engine the caterpillar tracks wer, made to slip on a rough concrete base The Cadillac company was turning ou large quantities of engines for thi. tractor before the armistice wa. signed.
 One of the most interesting pieces O travegng equipment used by the allied army was the giant automotive search light. mounted on a Cadillac chassis which was standard except for a spe. cial electric generator.
 The sesrchlight itself, with a reflec fnr xfv +a1, ea ter capable of throwing a light 1, miles, is carried on a small ligh chassis.
 Upon reaching a sheltered position from which observations are to b, made, the small chassis is run of tracks mounted on the Cadillac chassl. an doown a ramp. the cable attached to it unreeling from a large drum or the Cadillac. The small chassis anC light are located in a position iron which the light may be most advan- tageously operated.
 The Cadillac company was chosen by the government for the delicate tasl of designing and manufacturing thu various gauges for the government in. spection of class B military trucks known as Liberty trucks. Special ac curacy was required of these gauges The government paid a high tribute t' Cadillas engineering genius and thu craftsmanship in leaving the limits O measurement entirely to the judgmen Of Cadillac engineers and designers More than 1,500 of these gauges wer made as soon as they had demon strated their merit after passing most critical inspection by the gov ernment bureau of standards. A complete record has not bee made of the number of Cadillac me who entered the service of the arm and navy and those who made the SUI preme sacrifice, but from the factor alone more than 200 gave their sery ice tO Uncle sam