Grey Flash was the racing version of the Comet.
 ...Tekniska data |
 ...Specifications |
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| Motortyp | Vincent 1-cyl, OHV | Engine typ | Vincent 1-cyl, OHV |
| Slagvolym | 499 cc | Capacity | 499 cc |
| Borr x slag | 84 x 90 mm | Bore x stroke | 84 x 90 mm |
| Kompression | 8 : 1 | Comp. ratio | 8 : 1 |
| Effekt | 35 Hk / 6200 rpm | Power | 35 Hk / 6200 rpm |
| Förgasare | Amal 10TT9, 32 mm | Carburettor | Amal 10TT9, 32 mm |
| Tändsystem | BTH TT magnet | Ignition | BTH TT magnet |
| Elsystem | - | Electrics | - |
| Växellåda | Albion 4-växlad | Gearbox | Albion 4-växlad |
| - Utväxling 4,87 5,75 6,82 och 10,36 | - Ratios 4,87 5,75 6,82 och 10,36 | ||
| Koppling | Albion flerskivig | Clutch | Albion multiplate |
| Primärtrans. | Kedja ½" x 5/16" | Primary Trans. | Chain ½" x 5/16" |
| Drivkedja | 5/8 x 1/4" | Drive Chain | 5/8 x 1/4" |
| Bromsar | Dubbla 7" flänsade trummor fram & bak | Brakes | Double 7" ribbed drums front & rear |
| Däck, fram & bak | Fram: 3,00 x 21", bak: 3,50 x 20" | Tyres | Front: 3,00 x 21", rear: 3,50 x 20" |
| Bränsletank | 3 3/8 gallons (15,3 liter), lackad grått | Petrol tank | 3 3/8 gallons, painted grey |
| Oljetank | 6 pints (3,4 liter) | Oil Tank | 6 pints |
| Hjulbas | 55 3/4" (142 cm) | Wheelbase | 55 3/4" |
| Framgaffel | Girdraulic | Front Fork | Girdraulic |
| Torrvikt | 330 lb (150 kg) | Dry Weight | 330 lb |
| Toppfart | 110 MPH (176 km) | Top speed | 110 MPH |
| Pris | £ 330 - 362 beroende på utrustning | Price | £ 330 - 362 depending on specification |
