Part 100 — U.S.A.

ADAMS-FARWELL. 21, Athol Street, Dubuque, Iowa. ALBATROSS. Albatross Co., Detroit, Mich.

36 h.p., 5 cyl., 102× 88 (1200 r.p.m.) 97 lbs. 63 h.p., 5 cyl., 142×127 (1200 r.p.m.) 250 lbs. 72 h.p., 5 cyl., 152×152 285 lbs. Rotary horizontal. H.T. magneto. Special valves. Features.-- No flywheel. All valves in cylinder head, actuated by a single push and pull lever worked by a single cam. Valves close outwardly and are held shut by centrifugal force. Variable lift. Exhaust ports. Mechanical oil feed. Engine weights are "fully complete." 50 h.p., 6 cyl., 113×125 (1230 r.p.m.) 250 lbs. 100 h.p., 6 cyl., 137×125 275 lbs. Radial. The 50 is air-cooled, the 100 water-cooled.

CALL. Aerial Navigation Co. of America, Girard, Kansas. CURTISS. Curtis Aeroplane Co., Hammondsport, N.Y.

50 h.p., 2 cyl., 150×131 185 lbs. 100 h.p., 4 cyl. 325 lbs. Horizontal opposed, water-cooled. Mechanical inlets. Magneto ignition (Bosch). Special silencer. Vanadium iron cylinders. Forced lubrication. Features.-- 40 h.p., 4 cyl., (1100 r.p.m.) ? lbs. 75 h.p., 8 cyl., 100×100 (1100 r.p.m.) 250 lbs. also 60 h.p., 6 cyl., (1350 r.p.m.) ? lbs. 40 and 75, V shape, water-cooled (pump). 60, vertical water-cooled (pump). H.T. magneto (Bosch dual). Mechanical inlets. Splash and forced lubrication. Features.-- Single cylinders, copper jackets. All valves in cylinder heads, actuated by rocking levers from single cam shaft.

DETROIT AEROPLANE CO. Detroit Aeroplane Co., Detroit, Mich. ELBRIDGE. Elbridge Engine Co., 10, Culver Road, Rochester, N.Y.

30-40 h.p., 2 cyl., 127×127 (1200 r.p.m.) 110 lbs. 2 cycle horizontal, air-cooled. H.T. magneto. Automatic inlets. Splash lubrication. Features.-- All valves in cylinder heads operated by a single cam. Valves easily detached. Very large valves. Schebler carburetter. Over-all length of the 30/40 is 19 in 40 h.p., 4 cyl., 123×114 198 lbs. 60 h.p., 6 cyl., 123×114 257 lbs. Vertical, water-cooled. Valveless. Oil in gas. Features.--Extra large bearings.

HALL-SCOTT. Hall-Scott Motor Car Co., San Francisco, Cal. KEMP (GREY EAGLE). Kemp Machine Works, Muncie, Ind.

30 h.p., 4 cyl., 100×100 142 lbs. 40 h.p., 4 cyl., 100×125 150 lbs. 60 h.p., 8 cyl., 100×100 235 lbs. 80 h.p., 8 cyl., 100×125 270 lbs. 100 h.p. ? lbs. First two are vertical, the others V type, water-cooled (pump). H.T. magneto (Bosch). Mechanical inlets. Pump lubrication. Cast-iron cylinders. All valves overhead. Copper jacketted. Special Stromberg carburetter. Special radiators. 1912 models: 35 h.p., D 4 cyl., 100×113 ? lbs. 50 h.p., E 6 cyl., 100×113 260 lbs. 1913 models: 16 h.p., G 2 cyl. lbs. 35 h.p., I 4 cyl. lbs. 55 h.p., H 6 cyl. lbs. 75 h.p., J 8 cyl. lbs. Vertical, air-cooled. H.T. magneto. Mechanical inlets. Pump lubrication. Features.-- Overhead valves. Extra large exhausts in centre of cylinders. Special semi-steel (grey iron) cylinders. Designed to work at 350°-400° Faht.

KIRKHAM. C. Kirkham, Savona, N.Y. MAXIMOTOR. Maximotor Makers, Detroit, Mich.

45 h.p., 4 cyl., 105×120 (1400 r.p.m.) 180 lbs. 65 h.p., 6 cyl., 105×120 (1300 r.p.m.) 235 lbs. 75 h.p., 6 cyl., × (1300 r.p.m.) 255 lbs. 110 h.p., 8 cyl., 105×120 (1200 r.p.m.) 310 lbs. Vertical, water-cooled (pump). H.T. magneto (Bosch, 2 spark). Forced lubrication. Features.-- Cast iron cylinders and pistons. Patent poppet-sleeve valves. 50 h.p., 4 cyl., 113×127 ( r.p.m.) 200 lbs. 60-70 h.p., 4 cyl., 127×127 ( r.p.m.) lbs. 70-80 h.p., 6 cyl., 157×127 ( r.p.m.) lbs. 80-100 h.p., 6 cyl., ( r.p.m.) lbs. 100 h.p., 4 cyl., 150×150 ( r.p.m.) lbs. 150 h.p., 6 cyl., 150×150 ( r.p.m.) lbs. Vertical, water-cooled (pump). H.T. magneto (Bosch or Mea). Mechanical inlets (automatic in the 50 and 70.) Forced lubrication. Features.-- Started from aviator's seat. Double plugs. Half compression fitted. Crank shaft, hollow, on 3 ball bearings.

ROBERTS. Roberts Motor Co., Sandusky, Ohio. STURTEVANT. B. F. Sturtevant Co., Hyde Park, Boston, Mass.

50 h.p., 4 cyl., 113×125 165 lbs. 75 h.p., 6 cyl., 113×125 (1100 r.p.m.) 240 lbs. Vertical, 2 cycle, water-cooled (pump). H.T. magneto. Rotary inlets. Forced lubrication. Features.-- 2 carburetters. Special magneto advance. Babbit bearings. Very large hollow crank shaft. Special metal cylinders (aerolite). Special by-pass. Rotary inlets. 40 h.p., 4 cyl., 113×113 (1300 r.p.m.) 200 lbs. 60 h.p., 6 cyl., 113×113 ( r.p.m.) 285 lbs. H.T. magneto (Mea). Mechanical inlets. Pressure feed lubrication. Features.-- Semi-steel cylinders (jackets cast with them). Single cylinders. Single cam shaft. No overhead valves. Exhaust valve lifters. Nickel steel hollow crank shaft (5 bearings in the 4 cyl., 7 in the 6 cyl.)

WELLES & ADAMS. Wells & Adams, Bath, N.Y. WRIGHT. The Wright Co., Dayton, Ohio.

50 h.p., 4 cyl. 200 lbs. Vertical, water-cooled (pump). H.T. magneto. Mechanical inlets (overhead). Forced lubrication. Features.-- Single cylinders (large brass jackets). Double plugs. No valve cages. Chrome nickel crank shaft, on 5 bearings. 30 h.p., 4 cyl., 112×100 (1650 r.p.m.) 190 lbs. 50 h.p., 6 cyl., 112×100 (1150 r.p.m.) 230 lbs. Vertical, water-cooled (pump). H.T. magneto. Rotary valves. Pump lubrication. Silencer fitted.

Note.

There are a good many other U.S. engines of little or no account. The majority of these are merely more or less accurate copies of well-known European engines, and none of them have any vogue.