Refertotheindexofsectionsforspecificinformationonasubject.
6:01HULL
Thehullisasingleunitfiberglassmolding,whichishandlaminatedusing
thefinestmarinegradepolyesterresin.Allfiberglassmaterialsareprecutusing
templatestomaintaindesignthicknessthroughoutthehull.Isothalicgelcoat,
approximately15mm.thickisfirstsprayedontothehighlypolishedhullmold,thenone
layerof1.0ouncefiberglassmatisplacedthroughoutthehulltoprovideastrongand
evenbackupforthegelcoatfinish.Thestructurallaminateschedulebeginswithone
layerof1.5ouncematandisfollowedbyalternatinglayersof1.5ouncematand24ounce
rovinginthefollowingmanner:8layersfromkeelsontotheturnofthebilge,6layers
fromtheturnofthebilgetojustabovethewaterlineand4layersfromjustabovethe
waterlinetothesheer.Balsacorepanels,1/4"thickarealsousedtostrengthenthe
flatsectionsofthetopsidesintheforwardsectionsofthehull.
Additionalreinforcingisprovidedinallkeystressareasbyoverlappingextralayersof
fiberglass.Forexample,thereare14layersatthestem,18layersatthekeelsonand18
layerswherethekeelisattachedtothehull.
6:02DECK
TheSabre30Deckisasingleunit,handlaminated,fiberglassmoldingwith
nonskidsurfacesmoldedin.Onelayerof1.0ouncefiberglassmatisinitiallyplaced
throughoutthedecktoprovideastrongandevenbackupforthegelcoatfinish.Thisis
followedwithonelayerofof10ouncefiberglassclothandonelayerof1.0ouncemat.
Endgrainbalsacoring,3/8"thick,isthenappliedonallwalkingsurfacesofthedeck.
Additionalreinforcingisprovidedinkeystressareassuchasthemaststep,rudderpost
andstanchionbases,usingappropriatethicknessesofmarineplywood.Thedecklaminate
isthenfinishedwithonelayerof1.5ouncematandonelayerof10ouncecloth.
6:03LINER
Thelinerhasatexturedpatternmoldedintotheorthothalicgelcoat
layer,reinforcedwith2ouncematforstructuralstrength.Thelinerisheavily
reinforcedwithadditionallayersofmat,clothandwovenrovinginareasofstresssuch
asthemastsupportbeamandbulkheadmountingribs.
Thedeckandlinerarebondedtogetherusingfiberglassputtyfilledwithmicroballoons.
Thisfiberglassputtyprovidesstructuralcontinuityatallareasofstress,while
allowingaspaceofapproximately1/2"betweenthedeckandlinertothermalinsulation
andforrecessingdeskhardwarebolts.
6:04DECKTOHULLJOINT
Thedecktohulljointconsistsofafiberglassflangemolded
ontothehull,whichallowsstainlesssteelboltswithwashersandaircraftlocknutsto
fastentheteaktoerail,vinylrubrailextrusions,deckflangeandhullintooneintegral
unit.Toassureawatertightfit,fivelayersofbutyltapeareplacedonthehullflange
beforefasteningthedeckandvinylextrusioninplacewithbeddingcompound.In
addition,eachstainlesssteelboltisindividuallycaulkedasitisinstalled.Whenthe
boltsaretightened,thebutylbeddingcompoundiscompressedtofillallvoids.Aleak
atthisdecktohulljointcanusuallybeovercomebyadditionaltighteningofthe
stainlesssteellocknutstofurthercompressthebutylcompound.(RefertoI01)
6:05BULKHEADS
Allbulkheadsandothermajorinteriorcomponentsarefastenedtothe
hullwithfiberglassbondingtapesforstructuralstrength.Thebulkheadsarealso
fastenedtotheheavilyreinforcedfiberglassribsintheheadlinerwithstainlesssteel
screws.Allvoidsbetweenthebulkheadandribsarefilledwithfiberglassputtybefore
thedecorativeteaktrimisinstalled.
6:06KEEL
Theonepieceleadkeeliscastinametalmoldtoclosetolerances.
Stainlesssteelboltsarecastintotheleadtoattachthekeeltothebottomofthe
hull.Theseboltsextendthroughtheheavilyreinforcedfiberglasskeelfilletmolded
intothehull,andaresecuredbystainlesssteelnutsandwashers.Thejointbetweenthe
keelandthehullisfilledwithfiberglassputtytoassureaprecisefitandthebolts
arebeddedincompound.(Refertosection28:00forcompletedetails)
6:07RUDDER
Theruddershaftisconstructedofastainlesssteelpipetowhicha
stainlesssteelframeworkiswelded.Thisframeworkisstructurallybondedtoonehalf
ofthefiberglassruddershell.Theotherhalfofthefiberglassruddershellisthen
bondedinplacetoobtaintheoptimumhydrofoilsectionformaximumsteeringcontrol.