Gearbox Questions

1- Explain the difference types of gear selection systems found

• In outboard gear cases ans stern drive
• Inboards marine gearboxes

2 - what type of gears are used in outboard and stern legs.

• give an explanation of why manufactures chooses this type of gear

3 - Explain what a duo propeller system is and how it works and operates.

4 - What would a V drive be used instead of a standard shaft drive system,

5 - Compare a jet unit with a surface drive unit and give reasons why you would choose one system over the other.