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Calthorpe Motor Cycle Company (1909-1939) |
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Typ / Model |
Production time |
Capacity |
Cylinders / Engine |
Power |
Serial no. |
Top speed |
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3.5 HP White and Poppe SV |
1910 |
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1 cyl., side valves, White and Poppe |
3½ PS |
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3.5 HP JAP SV |
1910 |
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1 cyl., side valves, JAP |
3½ PS |
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3.5 HP Precision SV |
1910-1913 |
499 cm³ |
1 cyl. (85 x 88 mm), side valves, Precision |
3½ PS |
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New Lightweight |
1911-1912 |
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1 cyl., side valves |
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3.5 HP Precision SV Touring |
1911 |
511.2 cm³ |
1 cyl. (86 x 88 mm), side valves, Precision |
3½ PS |
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3.5 HP Precision SV TT |
1911 |
511.2 cm³ |
1 cyl. (86 x 88 mm), side valves, Precision |
3½ PS |
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3.5 HP Precision OHV TT |
1913 |
499 cm³ |
1 cyl. (85 x 88 mm), ohv, Precision |
3½ PS |
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3.5 HP Green Precision water cooled OHV |
1913 |
499 cm³ |
1 cyl. (85 x 88 mm), side valves, watercooled, Precision |
3½ PS |
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4.25 HP Precision SV |
1913 |
610.7 cm³ |
1 cyl. (90 x 96 mm), side valves, Precision |
4¼ PS |
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6 HP Precision V-Twin SV |
1913 |
751 cm³ |
2 cyl. (75 x 85 mm), side valves, V-Twin, Precision |
5-6 PS |
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3.5 HP Standard Touring |
1914 |
499 cm³ |
1 cyl. (85 x 88 mm), side valves, F.E.Baker |
3½ PS |
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4 HP Precision V-Twin Standard Touring |
1914 |
497.6 cm³ |
2 cyl. (60 x 88 mm), side valves, V-Twin 60°, Precision |
4 PS |
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1916 Calthorpe ladies |
1916 |
243.3 cm³ |
1 cyl. (67 x 69 mm), 2 stroke |
2¼ PS |
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1916 Twin Lightweight Combination |
1916 |
496.4 cm³ |
2 cyl. (70 x 64.5 mm), side valves, V-Twin, JAP |
4 PS |
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D.6.A Sports |
1927 |
348.4 cm³ |
1 cyl. (74 x 81 mm), 4 stroke, ohv |
3½ PS |
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D.6.S OHV Super Sports |
1927-1928 |
348.4 cm³ |
1 cyl. (74 x 81 mm), 4 stroke, ohv |
3½ PS |
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G.1 |
1927-1929 |
498.8 cm³ |
1 cyl. (84 x 90 mm), 4 stroke, ohc |
5 PS |
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1928 ohv Popular |
1928-1929 |
348.4 cm³ |
1 cyl. (74 x 81 mm), 4 stroke, ohv |
3½ PS |
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1928 "Speedway Special" |
1928 |
348.4 cm³ |
1 cyl. (74 x 81 mm), 4 stroke, ohv |
20 PS (6.500 rpm) |
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Ivory 250 "Minor" |
1930-1939 |
246.8 cm³ |
1 cyl. (67 x 70 mm), ohv, Twin Port, Villiers patent |
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Ivory 350 "Junior" |
1929-1939 |
348.4 cm³ |
1 cyl. (74 x 81 mm), ohv, Twin Port |
16 PS (5.200 rpm) |
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Ivory 500 "Major" |
1932-1939 |
493.8 cm³ |
1 cyl. (85.5 x 86 mm), ohv, Twin Port |
22 PS (5.200 rpm) |
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110 km/h |
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Special Competition |
1936-1938 |
493.8 cm³ |
1 cyl. (85.5 x 86 mm), ohv, Twin Port |
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Ivory 350 |
1937 |
350.1 cm³ |
1 cyl. (72 x 86 mm), ohv, Twin Port |
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