Velocette MAC: history, specs, pictures
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| Velocette MAC | |
| Manufacturer | |
|---|---|
| Production | 1933 |
| Class | Classic |
| Engine | Single cylinder, OHV, 4-stroke, air-cooled |
| Bore / Stroke | 68.6mm x 68.6mm |
| Compression ratio | 6.75:1 |
| Horsepower | 15.02 HP (11.2 KW) @ 6300RPM |
| Fuel System | Carburetor |
| Transmission | Gear box: 4-Speed Final Drive: Chain |
| Suspension | Front: Pre war: Webb girder style - Post war: Air-sprung Dowty Oleomatic forks Rear: Hydraulic shocks |
| Brakes | Front: Drum Rear: Drum |
| Front Tire | 3.25 x 19" |
| Rear Tire | 3.25 x 19" |
| Wheelbase | 50.2 inches (1275 mm) |
| Seat Height | 27.6 inches (701 mm) |
| Weight | 170.0 kg (wet) |
| Fuel Capacity | 0.79 Gallon (3.00 Liters) |
| Manuals | Service Manual |
The Velocette MAC was a Single cylinder, OHV, 4-stroke, air-cooled Classic motorcycle produced by Velocette in 1933. Claimed horsepower was 15.02 HP (11.2 KW) @ 6300 RPM.
Engine[edit | edit source]
A 68.6mm bore x 68.6mm stroke result in a displacement of just 349.0 cubic centimeters.
Drive[edit | edit source]
The bike has a 4-Speed transmission. Power was moderated via the Three-plate.
Chassis[edit | edit source]
It came with a 3.25 x 19" front tire and a 3.25 x 19" rear tire. Stopping was achieved via Drum in the front and a Drum in the rear. The front suspension was a Pre war: Webb girder style - Post war: Air-sprung Dowty Oleomatic forks while the rear was equipped with a Hydraulic shocks. The MAC was fitted with a 0.79 Gallon (3.00 Liters) fuel tank. The wheelbase was 50.2 inches (1275 mm) long.
1933 - 1959 Velocette MAC[edit | edit source]
The MAC was born in 1933, the first version having an engine with a displacement of 350cc and a top speed of 75mph. The MAC had a weight of 280lb and a 4-speed gearbox. In 1940, Velocette released the military versions of the MAC along with other models, MDD and MAF, made for the war effort. In 1948, MAC had 14HP and a weight of 320lbs. The bike suffered changes over the years, in 1953 it got adjustable rear suspension, a swinging arm and a suitably sprung frame, the wheelbase grew to nearly 54 in in and the seat height rose to 30 in. MAC's production ceased in 1960.