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America’s Boating Course 3 rd Edition

Anchoring Chapter 3 Section 10. America’s Boating Course 3 rd Edition. >>. The Correct Anchor. Select by: Size boat Type boat Type seabed Wind & current. >>. 2. Shackle. Shank. Flukes. Chain. Rode. Anchor Parts. >>. 3. Types of Anchors. Type of Anchors Danforth Plow

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America’s Boating Course 3 rd Edition

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  1. Anchoring Chapter 3 Section 10 America’s Boating Course3rd Edition >>

  2. The Correct Anchor • Select by: • Size boat • Type boat • Type seabed • Wind & current >> 2

  3. Shackle Shank Flukes Chain Rode Anchor Parts >> 3

  4. Types of Anchors • Type of Anchors • Danforth • Plow • Others >> 4

  5. ‘Danforth’-type Anchor • Lightweight • Stow flat • For sand & mud • Not for grass & rocks >> 5

  6. Plow-type Anchor • Single fluke • 3 dimensional • Stow in chock or roller • Digs thru weeds & sand • Holds on rocks • May be hard to retrieve – use trip line >> 6

  7. Collage of Anchors The Right Anchor >>

  8. Rode • Connects boat to anchor • Part rope & part chain • Size for boat & conditions • Length based on depth & conditions • Use depth markers on rope >> 8

  9. Anchor Operation Loading video Click to Continue >> 9

  10. This is Scope • Length of line from boat to anchor; also … • Ratio: length of line to vertical distance >> 10

  11. Determine Scope • Measure water depth + boat height • Scope is a multiple • 7x – normal • 10x – heavy conditions • 5x – light conditions >> 11

  12. Horizontal Pull • Deeper water – more scope • More wind or current – more scope >> 12

  13. Anchor System Hints • Size rope & chain correctly • Shackles are the weak link • Safety wire shackle pins • Prevent chaffing of rode >> 13

  14. Rope & Chain • Chain: stronger, no chaffing, keeps rode on bottom • Rope: lighter, stretches, shock absorber, chaffs Combination: chain near anchor, rope back to boat >> 14

  15. Anchoring Techniques • Survey Anchorage Carefully: • Determine depth & type bottom • Determine wind & current • Allow for changes in wind & tide • Check clearance to boats & obstacles >> 15

  16. Anchoring Techniques • Setting the Anchor: • Power/sail into wind or current • Lower anchor • Drift/power backwards letting out rode • Apply power to set anchor • Take bearings >> 16

  17. Anchoring Techniques Trip Line attached to anchor Attach a float to the line Helps to free snagged anchor Float indicates anchor position to other boaters >> 17

  18. Anchoring Techniques • Retrieving the Anchor: • Approach anchor slowly • Take in & stow rode • When over anchor, pull to free • If stuck: • Cleat line • Power over & past anchor location • Take in rode >> 18

  19. Anchor Recovery LAST 19

  20. End Section 10 END 20

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