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Quantum Sails

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Black Diamond View Drop Down
Vice Admiral
Vice Admiral

Joined: 24 October 2015
Location: Newport, RI, US
Status: Offline
Points: 775
Post Options Post Options   Thanks (0) Thanks(0)   Quote Black Diamond Quote  Post ReplyReply Direct Link To This Post Posted: 03 August 2022 at 22:50
OK...   I can officially declare that the HPM Membrane sails (Elvstrom EPEX technology) do NOT last as long as they are touted.   The sail looked fine in May when we took our early sails, but between May and August the delamination progressed at a blinding speed.   In fact, this past week it failed catastrophically and we had a devil of a time getting it down as the delaminated cloth jammed in the luff extrusion along with the bolt rope.   So now we need a new sail.

This is the middle of year six.    We liked the sails performance wise,  but they promote them as being 8-10 year sails and that is just not the case.     Both the local ELVSTROM guy as well as my local QUANTUM guy tell me that 6 years for a membrane sail is " pushing it".  

I'm going back to a tri-radial hydranet sail.  They have some new dyneema (vs spectra) variants but its still a woven cloth that can be cut in a tri-radial pattern and needs no laminates and therefore no chance of delamination,  no chance of mildew between layers, and much better "repairability" than a membrane sail.   

Bottom line:  if you want a long lived sail,  I'd advise staying away from membrane technology.  It will perform well, but not age well.  Quantum or Elvstrom or North or whomever...

The hydranet sails I built for my prior boat in 2007 were still fine when I built the 575 in 2017.   The new owner has still got them on the boat 5+ years later and swears the main still looks and performs like new.

Going back to what works.
S/V Black Diamond
Hanse 575 Build #192, Hull# 161
Newport, RI
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