Sail Away

Sail AwayFinal PresentationCrew:Mike LanteigneWallace BarkhouseScott DonahoeBlair MacKay

Captain:Dr. Jimmy Chuang

April 4th 2012

OutlineCriteria and Constraints Changes to Preliminary DesignBuilding/ChallengesFinal DesignTestingPerformanceImprovements

2Criteria and ConstraintsCriteriaConstraintsWill float, is safe and sturdyOperate in sea state 3Has a steering mechanism Withstand 20 knot windMechanical system to raise and lower mastAble to fit on standard car rack or pick upWithstand 20 knot windMast smaller then 3 metersBuoyant when flippedMaterial corrosion resistant3Preliminary Design

Aluminum ComponentsMounting Mast BracketInternally Mounted KeelRear Mounted RudderCurved SailPontoon System

4Design ChangesItemChangeMast BracketSize was increasedReduced stress on kayakPontoon SupportsBox tubing was usedSwitched to pin setupPontoonsBox tubing embedded in fiberglassKeelUsed side mounted keel Bolted directly to kayakRudderHomemade rudder vs. store-boughtSailBoom was addedIncreased control 5Mast BracketPreliminary DesignFinal DesignEnlarged mast plate Incorporates forward pontoon support tubingAngle aluminum welded directly to plate

10 in15 in10 in6

Pontoon SupportsPreliminary DesignStraight lengths of box tubing usedRun through larger box tubing sections mounted on kayakEntire assembly can be pinned together

Final Design

10 feet7

Pontoons

Final DesignThe pontoon design did not changePontoons are six feet longBox tubing fiber glassed into pontoonsFits together with pins

6 feet8

Keel Preliminary DesignFinal DesignBolts directly to existing mountsNo chance of leaksDoes not impede users legs

9

RudderPreliminary DesignFinal DesignHands free operationUses existing hardware for mounting Good range of motionCan be raised and lowered

10

To Foot Pedals

Side ViewTop ViewSail Design

More sail controlMade from abs plastic, lightweight and strong Well above the operators head for safe operationIs easily removable from mast.

Previous DesignFinal DesignNo boom50 inches11Final DesignHinging mast bracketBox tubing supportsSide mounted keelOversized pontoonsRemovable boomRear mounted rudder

1212Building OutlinePartGroupTechniciansMast BracketSupports

Keel and RudderSail / BoomPontoons

13

Sea Kayak16 feet longHandle modifications

LevelStructural PuttyWood CoreMolds

16 feetRear Support PlateFront Mast Plate14

PinsMast Bracket

Mast BracketWelded by techFinished by group

Lowering

Raised15Rear Support PlateFront Mast PlateRemove PinPivot Pin

Supports1o foot box tubingPin holes at ends and middle

KeelRudderPin Holes16Keel and Rudder

KeelPlywood constructionFiber glassed for water proofing

`RudderAluminum assemblyPin holes at ends and middle

Pivot Point for SteeringPivot Point for low water 17

SailCustom made4 x 8 feet

Collar PVC T

BoomABS pipeFriction fits

18

Pontoons

PontoonsFoam core3 layers mattingAttachments fiber glassed into pontoons

19- Shaped from foam3 layers of fiberglass matting

19

Final DesignFinal Design

ChallengesLeveling kayak hullFiber glassing pontoons

20Testing OutlineTestObjectiveResultAssemblyCan fit in carEasily assembledRaise/Lower MastMechanical mechanismOne person operationWaveWithstand Sea-State threeWaves .5 1.5mWindWithstand 20-knot winds?Buoyancy Buoyant when filled with waterBuoyant when flipped21Assembly Test1min2min3 min4 min5 minTime Elapsed:22Raising / Lowering Mast23Wave Test24Avg. Wave Height = 0.75 m

Wave Direction:Wind TestDesign must operate in 20 knot windsDesign competently handled 12 knot windsTeam is confident that vessel could handle 20+ knot wind speeds

25

Wind Direction:Buoyancy Test

26Performance27Max Wind Speed = 12 knotsMax Vessel Speed = 5.2 knots

Performance

28ImprovementsLighter material and construction for pontoons

Increase spacing between pontoon supports

Design hull to accommodate mast

29

ConclusionsDesign worked as expectedBuilding was a challengeDesign could be improvedMass added = 105 lbsIncrease in draft = 1.4

30Budget31ItemProjected CostActual CostDifferenceRudder and Keel$399.98$98.27-400 %Mast$227.60$351.5554 %Sail and Rigging$230.00$284.0023 %Pontoons / Supports$344.20$383.7310 %Kayak and Modifications$300.00$385.4328 %Total Cost$1,501.78$1,502.980 %Thanks

32ShellFiberglass Marine SupplyHalifax Yacht ShopDr. Jimmy ChuangRob WarnerDr. Julio MilitzerTechnicians Albert, Mark and AngusAlberts friend Bill for helping with testing and safety