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Anchor Rode Types & Handling Techniques for Sea Scouts

Learn about anchor rode varieties & handling methods on vessels, including marking chains, constructing watch schedules, capstan & windlass use. Get ready to master anchoring skills!

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Anchor Rode Types & Handling Techniques for Sea Scouts

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  1. ABL-8 Able Anchoring Instructors: George Crowl

  2. Course Outline (1) • a. Describe the various kinds of anchor rode and the advantages and disadvantages of each type. • b. Identify the parts of the anchor cable starting with the anchor and ending at the vessel. • c. Describe the methods of marking chain or rode and demonstrate that you know the chain or rode markings on your ship's vessel.

  3. Course Outline (2) • d. While on a cruise assist in the construction of an anchor watch schedule and stand one watch. • e. Identify a capstan or windlass and explain its use in handling line, wire rope, or chain.

  4. ABL-8a Describe the various kinds of anchor rode and the advantages and disadvantages of each type

  5. Chain Anchor Rode • Chain for large vessels • Strength • Some shock absorbancy as chain is lifted from the seabed • Chain at the anchor for smaller vessels • Weight keeps anchor on the ground • Chain resists abrasion on rocks, etc. • Connects to rope rode

  6. Nylon Anchor Rode • Nylon is stretchy – 10%, easing the force of waves striking the vessel • Nylon is much lighter than chain • Nylon is much more subject to abrasion from rocks, sand and mud • Can be used for small boats, or a lunch hook

  7. Manila Anchor Rode • Primary rope rode until synthetic materials • Has more stretch than many materials • Subject to rot if put away wet • Seldom used anymore for serious use

  8. ABL-8b Identify the parts of the anchor cable starting with the anchor and ending at the vessel.

  9. Anchor Rig • Anchor itself, any kind • Ring • Shackle • Chain – much longer than depicted • Shackle • Thimble, eye splice, safety wire and seizings • Rode

  10. Anchor Chain Swivel • Some prefer to have a swivel in the chain • Allows rotation of chain and line when needed • Often galvanized steel, like the chain

  11. Rode • Chain • OR • Nylon

  12. Vessel End • Hawse hole / hawse pipe • Windlass • Bow chock • Cleat for line • Capstan

  13. ABL-8c Describe the methods of marking chain or rode and demonstrate that you know the chain or rode markings on your ship's vessel.

  14. Chain Marking • Standard Navy chain marking

  15. Marking Anchor Line • There is no standard system • Make your own up that you and others can understand • Tell what your Sea Scout ship uses

  16. ABL-8d While on a cruise assist in the construction of an anchor watch schedule and stand one watch.

  17. Considerations • What is the purpose of an anchor watch? • How long do we need an anchor watch for? • How many people do we have to stand the anchor watch? • How long can a person stay alert during an anchor watch? • How can we minimize disruption of sleep and other duties?

  18. Sample Anchor Watch Schedule • 2000-2200 Sam • 2200-2400 Janet • 2400-0200 Jack • 0200-0400 Jill • 0400-0600 Murgitrude

  19. Anchor Watch Duties • Watch GPS or take bearings to insure vessel is not dragging anchor • Insure vessel will not interfere with other vessels • Check anchor light and / or ball • Monitor Channel 16 • Call the Skipper for unusual circumstances

  20. ABL-8e Identify a capstan or windlass and explain its use in handling line, wire rope, or chain.

  21. Capstan • Stands vertically • Most sailboats take three line wraps and tail the line to be coiled later • Old-time sailboats used it to raise the anchor

  22. Windlass • Barrel is horizontal • Many main and jib halyards use windlasses • Windlass best known for raising anchor chain or rode. Note the slots for chain on both.

  23. Winch • Common sailboat term for bothcapstans and windlasses that allow tightening halyards and sheets, allowing the line to run off the winch. • Term also used for winding up rope onto a spool, such as the winch used to pull and secure a small boat on a trailer.

  24. All Three Devices • Provide extra force and friction to pull in line or chain • Can be powered by hand crank, electric motor, pneumatic (air), and hydraulic motor • Electric is good for Sea Scout size boats • Hydraulic is better for large vessels

  25. Questions?

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