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 Velocette - KTT Mk I
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Velocette D2-492-41-07
Photo ou archives : F-M. Dumas
4107

Capacity : 350
Model : KTT Mk I
Production : 1929 -
Category : (R) Racing
   

VELOCETTE

350 KTT Mk I -1929

Copied worldwide

In 1926, riding a works Velocette, Alec Bennett won a resounding victory in the Tourist Trophy, beating the next man home by several minutes. He was defeated by an HRD in the 1927 Junior TT, but the marque won the two following years, 1928 and 1929.

Best Foot Forward

Flushed with success, Velocette tried a number of innovations in 1928, of which the most notable was a foot-operated gear selector in place of the traditional hand lever on the side of the fuel tank. It was copied by every manufacturer worldwide. Another revolutionary feature was the swing ann rear suspension. Velocette used a complex system with a friction-damped pivoting rear-frame triangle acting on twin springs beneath the saddle through the medium of bellcranks. Tricky roadholding and a substantially reduced ground clearance insured that this suspension - too far ahead of its time - was never raced.

The First Clubman Racer

Swing arm rear suspension did not reappear on a racing "Velo" until the Mk VIII KTT of 1939. In 1929, Velocette announced the KTT Mk I, a replica of the victorious TT machine. It was the first true "client-competition" and remained the favorite mount of clubman racers right up to the immediate postwar period. In the 1930 Manx TT, restricted to amateur riders, KTT Velos took the frrst eight places! This overhead-cam single had the trend-setting foot gearshift and its roadholding was remarkable for the period. On a gasoline/benzol mix, it reached 100 mph.

SPECIFICATIONS

Engine: 34&c (74x81mm) air-cooled singlecylinder four-stroke; ML racing magneto

Valves: shaft-driven overhead-camshaft

Fuel System: Amac carburetor

Transmission: 3-speed foot-shift, chain final drive

Suspension: Webb girder forks (front); rigid (rear)

Brakes: drum (front & rear)

Wheels: 21 inch wire (front & rear)

Weight: 265 lb

Maximum Speed: 85 mph (gasoline); 100 mph (alcohol)

 

This K1T Mk I is a rare survivor of the 178 examples of this model built during 1929.

 


Motorcycle encyclopedia Moto Passion, realised by François-Marie Dumas, include almost 2000 photos presented with an exhaustive history of the motorcycles exhibited.

This unique collection has been realised with the participation of many specialists. With many thanks in particular to Yves Campion, Michael Dregni, Didier Ganneau, Jean Goyard, Helmut Krackowizer, Michel Montange, Christian Rey, Bernard Salvat, Mick Woollett, etc

One can order here

  • Original cards on paper (in french)
  • High resolution scans or original documents presented and signed with my name.

Please contact me at info@moto-collection.org for conditions and copyright.




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