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Apex Membrane
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Merch
Apex Membrane
Laminates
Custom Design
Measure Your Sails
One Design
FAQ
Contact
About
Blog
Contact Us
Careers & Pathways
Sail Upcycle Program
Cart
Quick Quote
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Step
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Boat Name & Sail Number
Mast Bend
To generate a correct Luff Curve, we take a side on image of your boat and map a 2D luff curve. Find a place to get side on to your boat, perpendicular to the mast. It's ok if it's at the marina and there are other masts in the image.
No Backstay Tension
Take a photo of your mast with no backstay (just pre-bend). Upload a couple of photos if you're not sure.
Drop files here or
Select files
Max. file size: 256 MB, Max. files: 3.
Max Backstay Tension
Tension your mast to Max Backstay, (max bend), and take a photo side on.
Drop files here or
Select files
Max. file size: 256 MB, Max. files: 3.
Average Backstay Tension
Finally, tension your back stay to your average setting (what you might have on in 12 knots), and photograph.
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Select files
Max. file size: 256 MB, Max. files: 3.
