Sunbeam Model 9
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Sunbeam Model 9 | |
Manufacturer | |
---|---|
Production | 1924 - 27 |
Engine | Single cylinder, OHV |
Compression ratio | 6.5:1 |
Horsepower | 2.6 kW / 3.50 hp |
Ignition | EIC Magneto |
Transmission | 3-Speed, medium ratio |
Frame | Single front down tube |
Suspension | Front: Druid forks Rear: Rigid, spring loaded saddle |
Brakes | Front: Drum, internal expanding Rear: Drum, internal expanding |
Wheelbase | 1372 mm / 54 in |
Weight | |
Oil Capacity | 2.3 L / 4.0 Imp pt / 4.8 US gal |
Fuel Capacity | 11.4 L / 2.5 Imp gal / 3.0 US gal |
Manuals | Service Manual |
Engine[edit | edit source]
The engine was a Air cooled cooled Single cylinder, OHV. The engine featured a 6.5:1 compression ratio.
Chassis[edit | edit source]
Stopping was achieved via Drum, internal expanding in the front and a Drum, internal expanding in the rear. The front suspension was a Druid forks while the rear was equipped with a Rigid, spring loaded saddle. The Model 9 was fitted with a 11.4 L / 2.5 Imp gal / 3.0 US gal fuel tank. The wheelbase was 1372 mm / 54 in long.
Photos[edit | edit source]
Overview[edit | edit source]
Make Model. | Sunbeam Model 9 |
---|---|
Year | 1924 - 27 |
Engine Type | Single cylinder, OHV |
Displacement | 493 cc / 30.1 cu in |
Bore X Stroke | 80 x 98 mm mm |
Cooling System | Air cooled |
Compression | 6.5:1 |
Lubrication | Dry sump |
Induction | AMAC carburetor |
Exhaust | Single |
Ignition | EIC Magneto |
Starting | Push |
Power | 2.6 kW / 3.50 hp |
Transmission | 3-Speed, medium ratio |
Gear Ratios | 1st 10.3 / 2nd 6.9 / 3rd 4.6:1 Optional: 9.7, 6.5 and 4.3:1 or 11.0, 7.4 and 4.9:1 Side car: 11.8, 7.9 and 5.25:1 or 12.6, 8.4 and 5.6:1 |
Final Drive | Chain |
Frame | Single front down tube |
Front Suspension | Druid forks |
Rear Suspension | Rigid, spring loaded saddle |
Front Brakes | Drum, internal expanding |
Rear Brakes | Drum, internal expanding |
Wheels | Steel, laced wire spokes |
Tires, Front And Rear | 3.25 x 26" (Optional: 3.50 x 26") |
Dimensions | Length: 2083 mm / 82.0" Width: 813 mm / 32.0" |
Wheelbase | 1372 mm / 54 in |
Saddle Height | 711 mm / 28.0" |
Fuel Capacity | 11.4 L / 2.5 Imp gal / 3.0 US gal |
Oil Capacity | 2.3 L / 4.0 Imp pt / 4.8 US gal |
Source | Marston-Sunbeam / Bonhams |