b'Mainsail luff length Number of 3853System C ft* m* track sections53\'8" - 60\'5" 16.36 - 18.42 9About CB and slider Battcar systems: See60\'6" - 67\'3" 18.45 - 20.50 10feature pages at beginning of this section. 67\'4" - 74\'1" 20.53 - 22.58 1174\'2" - 80\'11" 22.61 - 24.66 1281\' - 87\'9" 24.69 - 26.74 1387\'10" - 94\'7" 26.77 - 28.82 1494\'8" - 101\'5" 28.85 - 30.90 15*Track extends above sail luff. Using screwpin endstop kits will increase lengths.Mast Track 32 mm3853 track mounts to mast using a unique slug system that allows1 1/4"mast-up installation.Use flanged track when mounting to carbon spars. Track features19 mma groove for racing sails with boltropes or slugs. 3/4"FastenerPart Length Weight spacing Fastening3853 Slug-mount trackNo. Description in m oz/ft g/m in mm method3853Slug-mount track81 15/162.089.288633 15/16100Mounting slugs3858.2MFlanged track78 3/417.381619Adhesive 23854 Mounting kit3858.6MFlanged track236 1/4617.381619Adhesive 3855 Endstop kit/fixed3875 Endstop kit/pinstop32 mm1 1/4"Traveler Track: Drill/TapFor masts without internal sail track, attach R32 Big Boat traveler track by drilling 19 mmand tapping the spar. Join track sections with splice links. Order one per track3/4"section. Order one low-beam endstop (sold in pairs).Part Ordering Fastening 30 mmNo. Description Splice link Endstop information method 1 3/16"R32 Big Boat track 3153 E3200 page 115 Drilling and tapping R32 Big Boat traveler trackMounting Kits and Endstops24 mmMounting kit slugs are available for flat mast15/16"grooves. Order one kit per track section.Use pinstop endstop to easily remove cars and mainsail. Order one kit only.58.4 mm (2 5/16")3858 Flanged trackENDSTOP KIT/SCREWPINMOUNTING KITENDSTOP KIT/FIXED38543855 3875Track Mounting Kits: Slug MountMounting slug Connector slug Fits flat mast groove gapPart Length Weight Mounting Length Weight Connector Min MaxNo. Description in mm oz g slugs/kit in mm oz g slugs/kit in mm in mm3854Flat mast groove 1250.617194 1/81052.4970117/32135/816Endstop Kits: Slug MountPart Track end length WeightNo. Description in mm oz g Mounting slugs/kit3855Flat mast groove/fixed (pair)* 16454 2 3875Flat mast groove/pinstop* 17432308535M8 x 1.25 x 40 mm fasteners. *Not for flanged track.139'