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Old 03-26-2015   #1
Fort Collins, Colorado
Paddling Since: 1987
Join Date: Mar 2015
Posts: 4
double rail frame position

Should both rails on a double rail frame rest on the tubes?

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Old 03-27-2015   #2
Salt Lake City, Utah
Paddling Since: 1969
Join Date: Apr 2009
Posts: 188
Ideally, yes.

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Old 03-27-2015   #3
Read_N_Run's Avatar
Niwot, Colorado
Paddling Since: 2005
Join Date: Aug 2013
Posts: 750
Originally Posted by woodman View Post
Should both rails on a double rail frame rest on the tubes?
And they should rest equidistant from the centerline of the top of the tube so that the pressure from both rails is borne equally on the tube.
"It's supposed to be hard. If it wasn't hard, everyone would do it. The hard... is what makes it great."
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Old 03-28-2015   #4
Denver, Colorado
Paddling Since: 1974
Join Date: Jan 2010
Posts: 140
If you don't have running boards on the top of the frame just make sure you can't slip your foot between the rail and the rails when you are walking the tubes. Otherwise it does't matter.
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Old 03-28-2015   #5
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Belgrade, Montana
Paddling Since: 1991
Join Date: Sep 2013
Posts: 1,661
what syterm are you using? Many double rail setups actually have cross bars supporting the frame over the tubes. I have a mix of WW machine works and NRS and the WWMW stuff nicely spans the tubes allowing the side rails to rest on either side of boat tubes. But an all NRS or DRE or other fitting based design will also put weight across the tube. WWMW and Cascade's arched (welded frame) truly rest on both sides of tube. There may be others but fitting frames all rely on some sort of cross support that puts at least a few cross bars bearing weight on the boat tubes.
Yesterday's gone on down the river and you can't get it back. - Agustus McCrae
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Old 04-01-2015   #6
Fort Collins, Colorado
Paddling Since: 1987
Join Date: Mar 2015
Posts: 4
The frame is made by rowframes here in Northern, CO. It does have cross bars and they are designed to support the load (I ended up talking to Gary at Rowframes and he explained the design) By the way he is really cool and makes a great inexpensive system. Thanks for the response!

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