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Posted

This is probably a dumb question, but anyway, here goes. I have a 1988 10' little jon. On the coast guard tag it states max weight 350 lbs gear and persons. It is approx 36 inches wide and 10 foot from bow to stern. My question is why do canoes hold 600lbs plus when they do not have such wide floors? It makes sense to me that if you are wider/deeper you should be able to displace more. I feel if you can displace more, then you should be able to hold more weight. Now physics may come into play and I am sure I am missing something in this equation.

I am just wondering and maybe someone here can explain this in laymens terms.

Thanks in advance.

Money is just ink and paper, worthless until it switches hands, and worthless again until the next transaction. (me)

I am the master of my unspoken words, and the slave to those that should have remained unsaid. (unknown)

Posted

The rated max weight capacity in a jon boat is considering that the boat is moving under power, since it technically is a "motor boat".

Another consideration is that in a wider boat the load is subject to shift to one side while under power (like if two 170lb. passengers scooted to one side at the same time, and then a heavy cooler or battery slid when it tilted.... and capsized the boat while under power). Ratings are based on safety, not necessarily on the amount of weight vs. water displacement that the hull is capable of.

Then there is the manuverabilty issue, a heavy narrow boat is easier to maneuver via oars or paddles than a heavy wider boat.

That's about the best way I know of explaining it. But the main rating issue has to do with being "underway with max rated power".

Posted

I guarantee you any plate on a jon boat will be wrong. I have safely overloaded my 18x36" dozens of times...maybe I am just that good.

everything in this post is purely opinion and is said to annoy you.

Posted

Well I saw that the OP mentioned they'd be asking a "dumb question", so I popped in to provide the requisite "dumb answer"...

I guarantee you any plate on a jon boat will be wrong. I have safely overloaded my 18x36" dozens of times...maybe I am just that good.

Ah, I see I'm too late! Ah well... :(

cricket.c21.com

Posted

LOL, Yeah the term "safely overloaded" is a bit of an oxymoron.

Winner, winner.... Chicken dinner!!

cricket.c21.com

Posted

My shawnee river Jon doesn't have the CG rating. I figured it may have been because it was a traditional water craft that was grand fathered. I wonder if the CG rating is even required or is it a voluntary thing pushed by a trade association?

His father touches the Claw in spite of Kevin's warnings and breaks two legs just as a thunderstorm tears the house apart. Kevin runs away with the Claw. He becomes captain of the Greasy Bastard, a small ship carrying rubber goods between England and Burma. Michael Palin, Terry Jones, 1974

Posted

LOL, I had a John of about the same size and I use to put 12dozen decoys, guns ammo etc and two people in it that pushed 500lbs togeather. Never had issues with it holding the load.. now it was cramped but where we were hunting it was safe. Ratings are for people who dont understand safe boating speeds and conditions.

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