Recently purchased a royalex tandem. I'd been looking for this model for some time and jumped on the boat without looking at it well enough. (It was getting dark, I was supposed to be someplace else already, and, uh, the sun was in my eyes?) So after speeding back to where I was supposed to be, it hit me. What had been nagging at me was that the canoe didn't seem to have the right amount of rocker. At home the next morning daylight and a straight board confirmed the fear that the poor little thing was slightly hog backed.
A foam pillar under the yoke takes out the minor hog back, but the canoe still doesn't seem to have the expected rocker.
Will pulling the gunnels in by shortening the yoke likely increase or decrease rocker? Any other thoughts for increasing rocker?
This boat will likely just get some tlc and be sold for what I've got in it if I can't get the rocker back, because that was what had me focused on this model to begin with.
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Seems like pinching |
Posted by: rpg51 on Dec-23-12 8:43 AM (EST)
the gunnels would have the opposite affect - widening a bit might help? No?
widening might help|
Posted by: pblanc on Dec-23-12 9:03 AM (EST)
There have been a number of threads here and on cboats dot net regarding the effect, or lack thereof, of modifying gunwale beam on boat rocker.
This all make sense to me. |
Posted by: rpg51 on Dec-23-12 9:38 AM (EST)
The only thing I would say on the hog back impact is this - I have noticed in the Discovery models I paddled that they seem slow - and they were all hog backed. Don't know if there is a connection - but there might be. I recall one trip when we had two rentals - one discovery and one nova craft royalex. Both about the same length. The difference in speed was significant, so we agreed to switch off boats half way through the trip.
I Pulled Gunnels In On a Couple Hulls|
Posted by: wildernesswebb on Dec-24-12 9:19 AM (EST)
To DECREASE the rocker. Made a slight difference. I know it seems backwards, but you have to LENGTHEN thwarts to increase rocker. And some hulls may or may not show much difference. BTW, Rob, what IS the boat? Pics? Merry Christmas, my friend!
Posted by: osprey on Dec-24-12 6:45 PM (EST)
Thanks to all for the shared wisdom.
Posted by: ppine on Dec-31-12 2:59 PM (EST)
The prognosis for a hogged canoe is usually not good. Some people talk about ratching down boats on their roof carriers, a bad idea.