Where the International story began, Walter
Moore’s CS1 restored by Ken McIntosh Engine detail of the CS1
Exhaust on the left of the CS1 Arthur Carroll designed Model 30 Inter-
national. Right hand exhaust
1928 was not a good year for No!on on the
race track, especially in the prestigious Isle
of Man where not one No!on made the first
ten in the Junior TT, and a disappointing fi"h
and sixth in the Senior TT. Then something
happened that changed the game. Walter
Moore le" to join NSU, and in came Joe
Craig, several times the winner of the Ulster
GP and a shrewd and clever tactician, also
a talented designer named A!hur Carroll.
The changes that were subsequently made
to the old engine didn’t immediately have
the desired effect. In 1929 just one No!on
ridden by Tim Hunt came fou!h in the
Senior TT, and again no placing in the first
ten in the Junior TT. Victories in the Ulster
and Swedish Grand Prix showed promise,
and at the end of 1930 the factory made
the new engine available for sale in 350
and 500cc capacities and, although it was a
completely new design, still called it the CS1
and the CJ.
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