Weight or Size for "breakdown" frames? - Mountain Buzz

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Old 08-17-2009   #1
Fort Collins, Colorado
Join Date: Sep 2005
Posts: 213
Weight or Size for "breakdown" frames?

So I am looking at frames for a cataraft and had a question. I am trying to decide what the best way to design my frame would be. It will be for multi-day trips including the Grand but also I want it to be used for more expedition style rivers where flying gear in may be necessary.

That being said would it be better to have it break down into fewer pieces and be lighter but more bulky (less joints), or have a couple of differnet breakdown points so I could get it smaller but it would weight more because of the added joints.

I want the frame to be as sturdy as possible and not shift around a lot and I am concerned that added joints will make it less possible to have a solid frame and it would shift as I rowed through rapids. Any comments/thoughts would be greatly appreciated. Thanks


There is always a reason not to...
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Old 08-22-2009   #2
Willi..., Willimina, OR
Paddling Since: 68
Join Date: Jan 2007
Posts: 482
Cat frame chassis:
Generally 15 lb per bay on a 70"+ wide cat-frame. Joint weight is 0.46 lb
Cat yokes are 7 lbs; Dimensional stability is <1/8" under whitewater loads.
Pinned joints prevent any rotation and provide for a quick assembly.

Cat floors frequently weigh more than the frame. There are several fabric floors out there with a sub 7 lb floor (stitches n stuff for one). The only drawback is not having a hard surface to walk on.
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Old 08-22-2009   #3
John the welder's Avatar
Delta, Colorado
Paddling Since: 1971
Join Date: May 2009
Posts: 201
Flying with boats

First- weight will be checked before loading the plane. Don't try to bring any extra. Long pcs will fit in the tail. Bring many small bags instead of one large one. Hard coolers don't fit well. Find out what planes are near where you want to go, then pack for that plane. Don't bring any extra junk. Rrember you pay by the plane. Plan your trip to not have a small load on one plane. sHoneycomed fiberglass flooring material is out there if you want need it. I used it on my ultra lite mini-me frame.
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