When the steering gear receives a command...

Question 1 / 205eccef9cbacbc34ba4d45a2d

Question 1 of 205eccef9cbacbc34ba4d45a2d

When the steering gear receives a command signal for a 15° right rudder, during the initial period of movement of the rudder __________. See illustration GS-0123.

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Question 1 of 20

5eccef9cbacbc34ba4d45a2d

When the steering gear receives a command signal for a 15° right rudder, during the initial period of movement of the rudder __________. See illustration GS-0123.

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🔍 Key Concepts

• Follow-up steering systems and how command vs. feedback motion are compared mechanically • Role of a planetary differential gear in comparing rudder order (from the helm) to actual rudder position (feedback linkage) • What happens immediately at the start of rudder movement before the follow-up linkage has time to respond

💭 Think About

• From the diagram, decide which shaft carries the order signal from the steering control and which shaft carries the feedback from the rudder stock/linkage • When a 15° starboard command is first given, which shaft must move first to create an error in the differential and drive the pump, and which shaft is initially held still? • In that brief initial period, is the motion of the feedback side being used to change linkage length, or is it temporarily cancelled/nullified until the rudder actually starts to move?

✅ Before You Answer

• Identify clearly which one of shaft K and shaft L is driven by the helm order and which is driven by the rudder feedback linkage • Trace through the planetary differential around labels K, L, and M: which element is the carrier, which are the sun/planet gears, and which one changes linkage length to reduce error? • Before choosing, verify that your option matches the idea that at the very start, there must be a difference (error) between order and feedback for the system to drive the rudder away from midships.

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Question 1 of 20

When the steering gear receives a command signal for a 15° right rudder, during the initial period of movement of the rudder __________. See illustration GS-0123.

shaft "K" will rotate, but its output to "M" will be nullified

shaft "K" will rotate causing "M" to rotate reducing linkage length

shaft "L" will cause shaft "K" to rotate via the planetary differential gear

shaft "L" will rotate, but its output to "M" will be nullified

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Question 1 / 205eccef9cbacbc34ba4d45a2d

Question 1 of 205eccef9cbacbc34ba4d45a2d

When the steering gear receives a command signal for a 15° right rudder, during the initial period of movement of the rudder __________. See illustration GS-0123.

Back

Question 1 of 20

5eccef9cbacbc34ba4d45a2d

When the steering gear receives a command signal for a 15° right rudder, during the initial period of movement of the rudder __________. See illustration GS-0123.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed