Oldtimer picture gallery. Motorcycles. Pre-1932 USA makes. Curtiss.
V 1911 - 1912, Curtiss Motor[cycle] Co., Hammondsport, New York, USA.
III 1909 - VI 1910, Herring-Curtiss Co., Hammondsport, New York, USA.
1905 - III 1909, G. H. Curtiss Mfg. Co., Hammondsport, New York, USA.
Entrance   Gallery    Motorcycles    Pre-1932 USA motorcycles   Curtiss Aerocar trailers, 1929-1942
Since 1908 Glenn Curtiss produced airplanes and gradually cooled down to the production of motorcycles. During 1913 he sold the remains of motorcycle parts and concentrated on airplanes only. 51k Curtiss N-9, 28k Curtiss Jenny (1918).

1912
1912 Curtiss Single Cylinder Motor, 1-cyl. OHV, ? cu.in., 1-speed, 4-5hp/?rpm, magneto ignition, belt drive, ? mph, $?, 67k photo
1911 (tool bag over the tank, extra cost: rear seat $12, sidecar or parcel delivery $50, Eclipse free engine pulley $15, N.S.U. 2-speed gearing $40)
1911 Curtiss Single Cylinder Motor Cook frame (mechanical inlet valves), 1-cyl. OHV, ? cu.in., 1-speed, ?hp/?rpm, magneto ignition, belt drive, ? mph, $225
1911 Curtiss Single Cylinder Motor Wehman frame (mechanical inlet valves), 1-cyl. OHV, ? cu.in., 1-speed, ?hp/?rpm, magneto ignition, belt drive, ? mph, $225, 20k poster, 92k photo
1911 Curtiss Single Cylinder Motor Model O (atmospheric inlet valves), 1-cyl. OHV, ? cu.in., 1-speed, ?hp/?rpm, magneto ignition, belt drive, ? mph, $175
Since VI 1910 to V 1911 the company was in the bankrupcy condition.
1910 (Wehman frame only, battery or magneto ignition, more cylinder cooling fins, new exhaust system, offset-cylinder design, automatic oil feed, float valve in the crankcase for oil level maintenance, new flywheels, roller bearings, hemispherical combustion chamber, overhead valves actuated by a single pushrod and double arm rocker per cylinder, tool bag)
1910 Curtiss Single Cylinder Motor 4 H.P., 1-cyl. OHV, ? cu.in., 1-speed, 4hp/?rpm, belt drive, 56 mph, $?, 163k poster (magneto ignition)
1910 Curtiss Double Cylinder Motor 8-9 H.P., V2-cyl. OHV, ? cu.in., 1-speed, 8-9hp/?rpm, belt drive, ? mph, $?
1909 (battery or magneto ignition, new exhaust system for 1-cyl. models, optional low saddle Wehman frame, first year of optional sidevan)
1909 Curtiss Single Cylinder Motor 3 H.P., 1-cyl., 26.96 cu.in. (441.8cc), bore 31/4", stroke 31/4", 1-speed, 3hp/?rpm, belt drive, ? mph, $200, 14k photo
1909 Curtiss Single Cylinder Motor 31/2 H.P., 1-cyl., 30.07 cu.in. (492.8cc), bore 31/4", stroke 35/8", 1-speed, 3.5hp/?rpm, belt drive, ? mph, $225
  1-cyl. images: regular frame - 42k photo, 20k photo, Wehman frame - 8k photo, 62k photo (magneto ignition)
1909 Curtiss Double Cylinder Motor 6 H.P., V2-cyl., 53.92 cu.in. (883.6cc), bore 31/4", stroke 31/4", 1-speed, 6hp/?rpm, belt drive, ? mph, $275
1909 Curtiss Double Cylinder Motor 7 H.P., V2-cyl., 60.14 cu.in. (985.6cc), bore 31/4", stroke 35/8", 1-speed, 7hp/?rpm, belt drive, ? mph, $300
  V2-cyl. images: regular frame - 366k photo, 341k photo, Wehman frame - 407k photo
1909 Curtiss Three Cylinder Motor 10 H.P., V3-cyl., 80.88 cu.in. (1325.4cc), bore 31/4", stroke 31/4", 1-speed, 10hp/?rpm, belt drive, ? mph, $350, 128k photo
In the summer of 1909, Glenn Curtiss became a director of the new Marvel Motorcycle Co..
1908 (few changes: oil gauge, new exhaust valve stem, new style muffler of 1-cyl. model, enlarged rod bearings, optional 26" wheels instead of 28", extra $$ - spring fork, rear seat, luggage carrier + stand, sidecar)
1908 Curtiss Single Cylinder Motor, 1-cyl., 30.07 cu.in. (492.8cc), bore 31/4", stroke 35/8", 1-speed, 3hp/?rpm, belt drive, battery ignition, 45 mph, $200, 41k photo, 24k photo
1908 Curtiss Double Cylinder Motor, V2-cyl., 60.14 cu.in. (985.6cc), bore 31/4", stroke 35/8", 1-speed, 6hp/?rpm, belt drive, battery ignition, 60 mph, $275, 103k poster, 31k photo
1907 (little changes, 30o valve (earlier - 45o), steel (nor cast iron) pulley, extra $$ - spring fork, rear seat, luggage carrier + stand, sidecar)
1907 Curtiss Single Cylinder Motor, 1-cyl., 30.07 cu.in. (492.8cc), bore 31/4", stroke 35/8", 1-speed, 2.5hp/?rpm, belt drive, battery ignition, 45 mph, $200, 82k poster, 284k photo
1907 Curtiss Double Cylinder Motor, V2-cyl., 60.14 cu.in. (985.6cc), bore 31/4", stroke 35/8", 1-speed, 5hp/?rpm, belt drive, battery ignition, 60 mph, $275, 60k poster (the same as in 1906), 33k photo, 29k photo of motor, 120k photo, 95k photo, 53k photo
In December 1906 Glenn Curtiss designed and exhibited two 40hp/1800rpm V-8 aircraft motors. Third motor had been installed into special shaft-driven motorcycle. At Ormond Beach Speed Carnival (Florida) in January 1907 Glenn Curtiss rode 1-cylinder motorcycle in a 1:05 3/5 mile. Then he set one-mile record of 46.4 seconds with V2-motorcycle (74k). At last he rode his V-8 machine one mile in 26.4 seconds (136mph - World record of land speed).
90k photo, 50k photo, 24k photo, 23k photo
1906 (new engines, new frames, interchangeable 1- and 2-cyl. engines, optional spring device on the front fork, new coil and carburetor, sidecar for extra $50)
1906 Curtiss Single Cylinder Motor, 1-cyl., 30.07 cu.in. (492.8cc), bore 31/4", stroke 35/8", 1-speed, 2.5hp/?rpm, belt drive, battery ignition, ? mph, $200, 17k photo
1906 Curtiss Double Cylinder Motor, V2-cyl., 60.14 cu.in. (985.6cc), bore 31/4", stroke 35/8", 1-speed, 5hp/?rpm, belt drive, battery ignition, ? mph, $275, 42k poster, 43k photo (1905 pre-series), 16k photo, 162k photo, 95k photo, 70k photo
1905 (1st year of Curtiss sidecar for extra $50)
1905 Curtiss Single Cylinder Motor, 1-cyl., ?cc, 1-speed, 2.5hp/?rpm, belt drive, battery ignition, ? mph, $200, 3k poster
1905 Curtiss Double Cylinder Motor, V2-cyl., ?cc, 1-speed, 5hp/?rpm, belt drive, battery ignition, ? mph, $300, 138k poster, 58k photo, 56k photo

Predecessor: Hercules.

Photos and data are from:
Author's archive.
"The Motorcycle Industry in New York State" encyclopedia by Geoffrey N. Stein
eBay.
eBay Deutschland.
WorthPoint.
Standard Catalog of American Motorcycles 1898-1981 by Jerry Hatfield.
History - Curtiss Motorcycles.
Motorcycle Memories
HiFi Archiv.
"Cycle and Automobile Trade Journal", 1905, 1906, 1907, 1908, 1909.
issuu.
National Air and Space Museum.
"Scientific American", 1907.
AL.com (Alabama).
Motorcyclist
Richard Spiegelman / Flickr.
Roadcarvin Motorcycles.
Classic Cycles Technical Resources.
Glenn Curtiss Museum.
National Motorcycle Museum.
Dick Shappy Classic Cars.
occiolungo.
Pinterest.
Triumph Rat Motorcycle Forums.
Jax Stumpes

What else in the net:
History - Curtiss Motorcycles.

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Last updated 7 II 2021. Andrei Bogomolov. Contact Information.