APS - Schaefer Adjustable Lead Controls
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Schaefer 1-1/4 Inch Adjustable Lead Controls

Schaefer 1-1/4 Inch Adjustable Lead Controls

The 1-1/4 inch adjustable twin sheet lead control system from Schaefer offers a low profile 4:1 purchase, canted lead car control system that mounts on Schaefer 1-1/4 inch T-track.  This system allows for easy and safe adjustment of leads from the safety and comfort of the cockpit.  Components sold separately - For boats up to 40 feet in length with a max sail area of 800 square feet. The SC1768 lead car has a low-friction Nomex/Teflon bearing and the sheave assembly that can tilt up to 45 degrees in either direction. The SC50645 and SC7444 fiddle blocks have ball-bearing sheaves.  If you are assembling a complete system we recommend 50 feet of 5/16 inch line and 10 feet of 5/16 inch shock cord (looped between the lead car and a bail at the end of the track) for each side of the boat.

Part No. Fits Track Max Sail Area Sheave Size Max Line Safe Working Load
in mm sq. ft. sq. m in mm in mm lb kg
SC1768 1-1/4 32 800 244 2 51 5/8 16 3500 1588
SC50645 na na 800 244 1-7/16 - 2-1/4 37-57 1/2 13 1500 680
SC7444 1-1/4 32 800 244 1-7/16 - 2-1/4 37-57 1/2 13 1500 680


SC1768 1-1/4 Adj Twin Sheet Lead Blk Price: $448.76 SC50645 Fiddle Block Price: $103.56
SC7444 1-1/4 Adj Fiddle on Slide Car Price: $266.00


Schaefer Aluminum T-Track

Schaefer Aluminum T-Track

Schaefer's 6061-T6 Aluminum T-Track incorporates a concave shaped riser that allows it to remain steady for spar mounting, or easily accept sealant for mounting to decks. Available in durable, black hardcote anodized, or silver (clear) anodized.

The Race Track features more closely spaced holes to allow racers to fine-tune sails with three times the granularity of normal T-Track. Also works well with reefing blocks and spinnaker mast eyes. Available in black anodized only.

Track Width Height Base Width Crossmember of "T" Height Fasteners Fastener Spacing Pinstop Hole Diameter Weight/Ft Endstops
in mm in mm in mm in mm in mm in mm in mm oz g
3/4" 19 5/16" 8 7/16" 11 1/8" 3 #10 FH 5 3" 76 3/16" 5 2.9 82 SC7434
1" 25 3/8" 9 1/2" 13 1/8" 3 1/4" FH 6 4" 101 1/4" 6 4.3 122 SC7435 & 35G
1 1/4" 32 7/16" 11 11/16" 18 3/16" 5 5/16" FH 8 4" 101 3/8" 8 6.8 193 SC7436 & 36G
1 1/2" 38 1/2" 13 7/8" 22 1/4" 6 3/8" FH 10 4" 101 7/16" 11 10.4 295 SC7439


SC4062 1 Race T-Track 2' Black Price: $39.16 SC4064 1 Race T-Track 4' Black Price: $70.16
SC4066 1 Race T-Track 6' Black Price: $105.60 SC4068 1 Race T-Track 8' Black Price: $140.96
SC4074 1-1/4 Race T-track 4' Black Price: $84.32 SC4076 1-1/4 Race T-Track 6' Black Price: $127.76
SC4078 1-1/4 Race T-Track 8' Black Price: $168.32 SC4112 1-1/2 Race T-Track 12' Black Price: $364.56
SC7434 3/4 Track End Stop - Black Price: $4.84 SC7434G 3/4 Track End Stop - Silver Price: $4.84
SC7435 1 Track End Stop - Black Price: $4.84 SC7435G 1 Track End Stop - Silver Price: $4.84
SC7436 1-1/4 Track End Stop - Black Price: $4.84 SC7436G 1-1/4 Track End Stop - Silver Price: $4.84
SC7439 1-1/2 Track End Stop - Black Price: $48.32

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