Pendulum-and-hydrostat control is a control mechanism developed originally for depth control of the Whitehead torpedo. It is an early example of what is...

and a pendulum that measured the fore and aft pitch of the torpedo was combined with depth measurement to become the pendulum-and-hydrostat control....

a concept of islamic sufism Secret and Top Secret, levels of classified information Pendulum-and-hydrostat control, a closely-guarded method of torpedo...

introduced a solution to the stability problem for his torpedo: Pendulum-and-hydrostat control, contained in its Immersion Chamber. The Austrian Navy bought...

and it had trouble with depth control until it developed the "balance chamber" with pendulum (pendulum-and-hydrostat control). The balance chamber had water...

governors is a landmark in the mathematics of feedback and in control theory. Pendulum-and-hydrostat control for the Whitehead torpedo developed by Robert Whitehead...

carried the engine and the tail, which contained the propellers. The Mark 1 guidance component included the Pendulum-and-hydrostat control device which was...

very similar to the Whitehead torpedo and in fact featured Whitehead's "Secret" pendulum-and-hydrostat control system. At least one source states that...

carried the engine and the tail, which contained the propellers. The Mark 1B guidance component included the Pendulum-and-hydrostat control device which was...

carried the engine and the tail, which contained the propellers. The Mark 2 guidance component included the Pendulum-and-hydrostat control device which was...

carried the engine and the tail, which contained the propellers. The Type C guidance component included the Pendulum-and-hydrostat control device which was...

the maxillary and facial nerves – lines each side of the appendage. As a muscular hydrostat, the trunk moves through finely controlled muscle contractions...