ABL-8ABL-8

AbleAbleAnchoringAnchoring

Instructors: George Crowl

Course Outline (1)Course Outline (1)

a. a. Describe the various kinds of anchor Describe the various kinds of anchor rode and the advantages and rode and the advantages and disadvantages of each type.disadvantages of each type.

b. Identify the parts of the anchor cable b. Identify the parts of the anchor cable startingstarting with the anchor and ending at with the anchor and ending at the vessel.the vessel.

c. Describe the methods of marking c. Describe the methods of marking chain and demonstrate that you know chain and demonstrate that you know the chain markings on your ship vessel.the chain markings on your ship vessel.

Course Outline (2)Course Outline (2)

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

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

ABL-8aABL-8a

Describe the various kinds of anchor Describe the various kinds of anchor rode and the advantages and rode and the advantages and disadvantages of each typedisadvantages of each type

Chain Anchor RodeChain Anchor Rode

Chain for large vesselsChain for large vessels StrengthStrength Some shock absorbancy as chain is lifted Some shock absorbancy as chain is lifted

from the seabedfrom the seabedChain at the anchor for smaller vesselsChain at the anchor for smaller vessels Weight keeps anchor on the groundWeight keeps anchor on the ground Chain resists abrasion on rocks, etc.Chain resists abrasion on rocks, etc. Connects to rope rodeConnects to rope rode

Nylon Anchor RodeNylon Anchor Rode

Nylon is stretchy – 10%, easing the force of Nylon is stretchy – 10%, easing the force of waves striking the vesselwaves striking the vessel

Nylon is much lighter than chainNylon is much lighter than chainNylon is much more subject to abrasion from Nylon is much more subject to abrasion from

rocks, sand and mudrocks, sand and mudCan be used for small boats, or a lunch hookCan be used for small boats, or a lunch hook

Manila Anchor RodeManila Anchor Rode

Primary rope rode until synthetic materialsPrimary rope rode until synthetic materialsHas more stretch than many materialsHas more stretch than many materialsSubject to rot if put away wetSubject to rot if put away wetSeldom used anymore for serious useSeldom used anymore for serious use

ABL-8bABL-8b

Identify the parts of the anchor cable Identify the parts of the anchor cable startingstarting with the anchor and ending at the with the anchor and ending at the vessel.vessel.

Anchor RigAnchor Rig

Anchor itself, any kindAnchor itself, any kind RingRing ShackleShackle Chain – much longer than depictedChain – much longer than depicted ShackleShackle Thimble, eye splice, safety wire and seizingsThimble, eye splice, safety wire and seizings RodeRode

Anchor Chain SwivelAnchor Chain Swivel

Some prefer to have a swivel in the chainSome prefer to have a swivel in the chainAllows rotation of chain and line when neededAllows rotation of chain and line when neededOften galvanized steel, like the chainOften galvanized steel, like the chain

RodeRode

ChainChainORORNylon Nylon

Vessel EndVessel End

Hawse hole / hawse pipe Hawse hole / hawse pipe WindlassWindlass

Bow chockBow chockCleat for lineCleat for lineCapstan Capstan

ABL-8cABL-8c

Describe the methods of marking chain Describe the methods of marking chain and demonstrate that you know the chain and demonstrate that you know the chain markings on your ship vessel.markings on your ship vessel.

Chain MarkingChain Marking

Standard Navy chain markingStandard Navy chain marking

Marking Anchor LineMarking Anchor Line

There is no standard systemThere is no standard systemMake your own up that you and others can Make your own up that you and others can

understandunderstandTell what your Sea Scout ship usesTell what your Sea Scout ship uses

ABL-8dABL-8d

While on a cruise assist in the While on a cruise assist in the construction of an anchor watch construction of an anchor watch schedule and stand one watch.schedule and stand one watch.

ConsiderationsConsiderations

What is the purpose of an anchor watch?What is the purpose of an anchor watch?How long do we need an anchor watch for?How long do we need an anchor watch for?How many people do we have to stand the How many people do we have to stand the

anchor watch?anchor watch?How long can a person stay alert during an How long can a person stay alert during an

anchor watch?anchor watch?How can we minimize disruption of sleep and How can we minimize disruption of sleep and

other duties?other duties?

Sample Anchor Watch ScheduleSample Anchor Watch Schedule

2000-2200 Sam2000-2200 Sam2200-2400 Janet2200-2400 Janet2400-0200 Jack2400-0200 Jack0200-0400 Jill0200-0400 Jill0400-0600 Mergitrude0400-0600 Mergitrude

Anchor Watch DutiesAnchor Watch Duties

Watch GPS or take bearings to insure vessel is Watch GPS or take bearings to insure vessel is not dragging anchornot dragging anchor

Insure vessel will not interfere with other vesselsInsure vessel will not interfere with other vesselsCheck anchor light and / or ballCheck anchor light and / or ballMonitor Channel 16Monitor Channel 16Call the Skipper for unusual circumstancesCall the Skipper for unusual circumstances

ABL-8eABL-8e

Identify a capstan or windlass and Identify a capstan or windlass and explain its use in handling line, wire rope, explain its use in handling line, wire rope, or chain.or chain.

CapstanCapstan

Stands verticallyStands verticallyMost sailboats take three line wraps and tail the Most sailboats take three line wraps and tail the

line to be coiled laterline to be coiled laterOld-time sailboats used it to raise the anchorOld-time sailboats used it to raise the anchor

WindlassWindlass

Barrel is horizontalBarrel is horizontalMany main and jib halyards use windlassesMany main and jib halyards use windlassesWindlass best known for raising anchor chain or Windlass best known for raising anchor chain or

rode. Note the slots for chain on both.rode. Note the slots for chain on both.

WinchWinch

Common sailboat term for bothCommon sailboat term for bothcapstans and windlasses that capstans and windlasses that allow tightening halyards and allow tightening halyards and sheets, allowing the line to run sheets, allowing the line to run off the winch.off the winch.

Term also used for winding up Term also used for winding up rope onto a spool, such as the rope onto a spool, such as the winch used to pull and secure winch used to pull and secure a small boat on a trailer.a small boat on a trailer.

All Three DevicesAll Three Devices

Provide extra force and friction to pull in line or Provide extra force and friction to pull in line or chainchain

Can be powered by hand crank, electric motor, Can be powered by hand crank, electric motor, pneumatic (air), and hydraulic motorpneumatic (air), and hydraulic motor

Electric is good for Sea Scout size boatsElectric is good for Sea Scout size boatsHydraulic is better for large vesselsHydraulic is better for large vessels

Questions?Questions?