[1] The Type C was ordinarily assembled into three sections: the warhead, the air flask and the after-body.

The warhead's charge of wet guncotton weighed 132 pounds.

The after-body carried the engine and the tail, which contained the propellers.

[5] The Type C guidance component included the Pendulum-and-hydrostat control device which was called the "Whitehead Secret".

The Mark 2 Type C was launched from battleships and torpedo boats.