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  Royalex vs Polyethylene entry line
  Posted by: melenas on Apr-07-13 8:19 PM (EST)
   Category: Canoes 

I noticed that a PE Old Town Penobscot 17.4 (really a longer Discovery?) had a
much sharper entry line than a RX Bell Northwind (really a longer

Is that actually due to the design, or more a function of the material? Does
Polyethylene allow sharper entry lines than Royalex?

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Messages in this Topic


  Posted by: jhb8426 on Apr-07-13 10:43 PM (EST)
Don't know about poly canoes, but Bell royalex canoes are all fairly blunt. I think it's mostly due to material limitations on the designs because the same canoe in a composite material has what I would term a normal, sharper entry.
  It is possible to get a sharper entry
  Posted by: ezwater on Apr-08-13 12:17 AM (EST)
line on a poly kayak or canoe. The sandwich layered nature of Royalex places limits on how sharply it can be molded and keep adequate strength. But some poly canoes, including the OT Discovery series, have a sandwich construction also, with foam in between hard poly layers.

If a poly sandwich Discovery with a sharp bow runs into something sharp and hard, at full speed and with a full load, the bow may be bent badly enough that heat won't coax it back into shape.

As for Royalex, the blunt bows of some whitewater canoes are very hard to damage. But Wenonah and some other makers mold Royalex boats with fairly sharp bows, and those bows are more susceptible to permanent damage if the boat pitons a rock.

Royalex is better for medium to large canoes, in terms of lower weight, somewhat better stiffness, and repairability. Poly construction starts to work really well for small solo canoes such as the Esquif L'edge. Their small size and rocker contributes to stiffness, and like poly kayaks, they are very resistant to damage.
  Posted by: rblturtle on Apr-08-13 7:10 AM (EST)
i also have noticed the variation in roylex shapes. the crispist lines i have seen were on my ecquiff had noticably sharper entry ect. i wondered how they did it when other manifacturers say it can't be done.
  Thin material
  Posted by: kayamedic on Apr-08-13 8:32 AM (EST)
and as noted the Echo is small.


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