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Curved Track
Track is often bent to follow the cabin house curve or 
boom radius. Sometimes track is bent vertically, ends up, 
to relieve tension on the sail’s leech as the traveler car 
moves off the boat’s centerline.
To perform smoothly and carry the correct load, the 
traveler car’s length must suit the track radius. Each 
traveler car page has a chart which shows the minimum 
radius on which each car will ride. If the load requires 
a long car, but the radius will be too tight, consider using 
two short cars joined by a coupler.
Minor bends can often be made when the track is 
installed. If the track requires more bend, Harken 
can provide horizontal, vertical, or compound curves 
to specification for a modest charge. If the bend is 
continuous, add 50 - 100 mm (2 - 4") to each end 
because track cannot be bent to its ends. Standard 
Harken Mini-Maxi and Maxi traveler cars cannot ride 
on vertical bends with a radius under 15.25 m (50').
Chord length
Length
Radius
Chord depth
1. Vertical Bend: Ends Down
This bend is used for mainsheet travelers mounted over 
the cabin house. The curve matches the crown of the cabin 
house and allows the track to clear the companionway hatch, 
but minimizes the height of the track risers.
2. Vertical Bend: Ends Up
Some boats use this bend to relieve leech tension when the 
traveler car moves off centerline. Ends-up bends are also used 
for staysails. Tracks angled forward to face the clew 
of the sail mount on risers.
3. Horizontal Bend
Horizontal bends allow the traveler to follow the radius of the 
boom as it swings across the boat. The track stays flat and the 
ends curve to the boat’s bow or stern. Sometimes horizontal 
bends are used for boom vangs and occasionally for staysails, 
especially those with booms.
4. Compound Bend
Compound bends are a combination of a vertical and horizon-
tal bend. The track curves in the horizontal plane 
to follow the radius of the boom, but mounts to a deck 
that has a slight crown.
Vertical bend: ends down
Vertical bend: ends up
Horizontal bend
Compound 
bend
Harken does not cut track to length.
For 661, 1706, 2707, and 2709 track contact Harken Tech Service.
Track
Bend
Part No.
Compound bends
Part No.
373/374/2720/2721/2725/2751
275
286
1602/R27/ R27HB
1531
1582
R32/3159/R32HB
793
577
Ordering Information
To order curved traveler track, please specify the following information: 
Boat model ________________________    
Track part number ___________________   
Bend part number ___________________   
Chord length _______________________   
Chord depth: horizontal  ______________
Chord depth: vertical  ________________
Check one:
□Vertical bend: ends down
□Vertical bend: ends up
□Horizontal bend: ends forward or aft
□ Compound bend:
horizontal and vertical (ends down)
□ Compound bend:
Horizontal and vertical (ends up)
or radius: horizontal __________________
or radius: vertical ____________________

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