In a double reduction gear, the function of...

Question 1 / 270705eccefa1bacbc34ba4d471e4

Question 1 of 270705eccefa1bacbc34ba4d471e4

In a double reduction gear, the function of a quill shaft is to provide flexibility between the second reduction pinion and the __________.

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Question 1 of 27070

In a double reduction gear, the function of a quill shaft is to provide flexibility between the second reduction pinion and the __________.

🔍 Key Concepts

• Double reduction gear trains and how power flows from high-speed input to low-speed output • Purpose of a quill shaft in marine reduction gears (torsional flexibility and alignment tolerance) • Relationship and order of elements: first reduction pinion → first reduction gear → second reduction pinion → second reduction gear (bull gear)

💭 Think About

• Visualize the gear train from the turbine or engine to the propeller shaft. Where in that sequence would flexibility be most needed to protect against shock and misalignment? • Ask yourself: which component does the second reduction pinion ultimately drive to turn the propeller shaft? • Consider which choice would be redundant: does it make sense for a shaft to provide flexibility between a pinion and a gear that is already on the same shaft or mesh?

✅ Before You Answer

• Sketch or mentally picture a two-stage reduction gear layout with all four elements labeled in order. • Confirm which element is the final large gear in the train that is directly connected to the output/propeller shaft. • Verify that the quill shaft connects between the second reduction pinion and the output element it drives, not back into the first reduction stage.

Question 1 of 27070

In a double reduction gear, the function of a quill shaft is to provide flexibility between the second reduction pinion and the __________.

bull gear

second reduction gear

first reduction gear

first reduction pinion

Question 1 / 270705eccefa1bacbc34ba4d471e4

Question 1 of 270705eccefa1bacbc34ba4d471e4

In a double reduction gear, the function of a quill shaft is to provide flexibility between the second reduction pinion and the __________.

Back

Question 1 of 27070

In a double reduction gear, the function of a quill shaft is to provide flexibility between the second reduction pinion and the __________.