Oldtimer picture gallery. Motorcycles. Pre-1932 USA makes. Hercules.
VII 1902 - 1905, G. H. Curtiss Mfg. Co., Hammondsport, New York, USA.
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1905 (lower frame (22" high), Breeze carburetor, tandems by order, in early 1905 trademark changed for Curtiss)
1905 Hercules 5 H.P. Double Cylinder, V2-cyl., 42.41 cu.in. (695.0cc), bore 3", stroke 3", 1-speed, 5hp/2000rpm, battery ignition, belt drive, 5...50 mph, $?
1905 Hercules 21/2 H.P. Single Cylinder, 1-cyl., 21.21 cu.in. (347.5cc), bore 3", stroke 3", 1-speed, 2.5hp/2000rpm, battery ignition, belt drive, 4...45 mph, $?
1904 (mudguards, new muffler, lower frame (23" high), tandems by order)
1904 Hercules 5 H.P. Double Cylinder, V2-cyl., 42.41 cu.in. (695.0cc), bore 3", stroke 3", 1-speed, 5hp/2000rpm, battery ignition, belt drive, 5...50 mph, $300, 151k poster, 96k photo (tandem version, Glenn Curtiss and his wife Helen, X 1904)
1904 Hercules 21/2 H.P. Single Cylinder, 1-cyl., 21.21 cu.in. (347.5cc), bore 3", stroke 3", 1-speed, 2.5hp/2000rpm, battery ignition, belt drive, 4...45 mph, $200, 137k poster
1903 (strengthed frame and fork, new throttle control, V2 model since February 1903, probably the first two-cylinder motorcycle)
1903 Hercules 5 H.P. Double Cylinder, V2-cyl., 42.41 cu.in. (695.0cc), bore 3", stroke 3", 1-speed, 5hp/2000rpm, battery ignition, belt drive, ? mph, $?, 21k poster, 11k photo of George Curtiss with racing Hercules, VII 1903, 55k racing 1904 photo
1903 Hercules 21/2 H.P., 1-cyl., 21.21 cu.in. (347.5cc), bore 3", stroke 3", 1-speed, 2.5hp/2000rpm, battery ignition, belt drive, 4...45 mph, $200, 202k poster, 25k photo
1902
1902 Hercules 21/2 H.P., 1-cyl., 21.21 cu.in. (347.5cc), bore 3", stroke 3", 1-speed, 2.5hp/2000rpm, battery ignition, belt drive, 40 mph, $180 ($210 tandem version), 147k photo, 112k photo

Successor: Curtiss.

Photos and data are from:
Author's archive.
"The Motorcycle Industry in New York State" encyclopedia by Geoffrey N. Stein
eBay.
PreWarCar.com.
Detroit Public Library Digital Collections.
History - Curtiss Motorcycles.
WorthPoint.
"Cycle and Automobile Trade Journal", 1904.

What else in the net:
History - Curtiss Motorcycles.

Thanks for help to Evgenii Pevzner (Moskva), motorcycle historian.
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Last updated 7 II 2021. Andrei Bogomolov. Contact Information.