1955 Vincent Rapide
Series B

1955 VINCENT RAPIDE-LAST OF THE LINE
Vincent built its reputation on it's robust 499cc Comet single. Prior to the war, they figured out that if they doubled it, they could create a 998cc V-twin and the series A Vincent Rapide was born. Few were built prior to World War 2, which curtailed all civilian production to focus on producing war materials. But, they used this time to completely redesign their new V-twin and by war's end, they were ready to release the Series B Rapide. It now had a 50-degree V-angle instead of the Series A's 47.5-degree V. The top end oil plumbing was now contained within the engine itself, rather than externally as before. And now the engine, gearbox and primary case were enclosed in one common casting, an early example of unit construction. This allowed the engine to be used as a stressed unit, eliminating the need for front down tubes and an engine cradle. The new Rapide used Vincent's tried-and-true 'cantilever' rear suspension, taken from the Comet and Meteor. Traditional Girder-style front forks were used with a single coil-over damper. A trademark of Vincent V-twins is their dual front brakes, one on each side. Rather than redesign a new larger unit, they just used the one they already had...twice! In 1948, the Rapide was eclipsed by Vincent's new premier bike, the Black Shadow. The Black Shadow had a slight power bump over the Rapide and so was faster, earning it the title "The World's Fastest Production Motorcycle". And it was. The easiest way to tell a Rapide from a Black Shadow is that Rapide engines are polished alloy (silver), and Black Shadow engines are painted gloss black. 1955 was the last year of Vincent Rapide production, and the company closed down for good.

1955 Vincent Rapide SPECIFICATIONS

Model designation
Engine type
Displacement
Bore & Stroke
Compression ratio
Fuel system
Engine output
Wheelbase
Suspension, front
Suspension, rear
Tire, front
Tire, rear
Brake, front
Brake,rear
Weight
Top speed
1955 Vincent Series B Rapide
Air-cooled 50-degree OHV V-twin
998cc
84mm X 90mm / 3.30" X 3.50"
6.45:1
2- Amal 1-1/16" carburetors
45hp @ 5300rpm
56.5" / 1410mm
Girder fork w/coil-over damper
Triangulated swing arm w/2 dampers
3.00" X 20"
3.00" X 19"
2- SLS drum brakes
1- SLS drum brake
455 lbs / 206.4 kg
110 mph / 177 km/h

Check out these VINCENT BOOKS

VINCENT MOTORCYCLES


ILLUSTRATED VINCENT BUYERS GUIDE


VINCENT MOTORCYCLES: THE UNTOLD STORY SINCE 1946


ORIGINAL VINCENT MOTORCYCLE RESTORER’S GUIDE
THE ORIGINAL VINCENT MOTORCYCLE
VINCENT: FIFTY YEARS OF THE PARK, by Phillip Vincent himself!


THE VINCENT IN THE BARN


VINCENT BLACK LIGHTNING 1952, KINDLE


VINCENT 1935-1955 OWNER’S HANDBOOK OF MAINTENANCE & REPAIR


VINCENT, By Osprey


VINCENT FROM 1938


VINCENT TWINS, SUPER PORTFOLIO






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Last updated 4/10/17

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