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Thread: Building a "salmon ladder"
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31st July 2013, 10:09 PM #1
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Building a "salmon ladder"
Hey guys
Long long long time reader, first time poster!
Anyway, I am looking to build a few Salmon Ladders... what is a salmon ladder?
That is a salmon ladder. It's basically a torture device for people to improve their fitness on lol.
Now my current plans are to build the rails out of LVL planks or trueform, and drill a series of holes into it so that you can insert removable pegs and adjust them to whatever spacing you like, I will be building it as a dismantable unit as it will be taken to mud obstacle events like Tough Mudder...
The bit that I am really stuck on is.. what kind of timber would have the tensile strength suitable to make the dowel pegs and more importantly, the staff that you hold onto out of? I would really prefer to keep it as a solid timber unit, but if there is nothing suitable I will have to go to using metal
Also if anyone has any suggestions for a better/more cost effective method of constructing it, by all means voice your opinion! Thanks muchly guys (and gals)
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3rd August 2013, 03:51 AM #2
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Welcome to the forum. I am not sure on the type of wood but would be interesting to follow if you decide to do a work in progress. And yes I had to look up Salmon Ladder.
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3rd August 2013, 12:03 PM #3
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I have only ever seen them made of steel. The impact of the body (80-120kg) landing with force onto the pins repeatedly requires a lot of strength.
I don't think you could get a timber cross bar that would have a small enough diameter for hand holding with enough strength over the span either.
You wouldn't want to be liable for it failing and the person getting injured from one of the higher pegs.…..Live a Quiet Life & Work with your Hands
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3rd August 2013, 12:44 PM #4
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Fails on his first use.
I'd build this style, wouldn't weigh a lot more than hardwood, and be able to bolt it together on site like a squat rack.
…..Live a Quiet Life & Work with your Hands
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6th August 2013, 02:54 PM #5
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Cheers for the tips guys, the video was interesting to put me off that type of construction!
I have decided upon the way I will be building it, I will take progress pics during the construction, but it will consist of trueform LVL posts with a series of holes drilled up the height at 100mm increments with steel sleeves inserted. smaller diameter pegs will be insertable into the sleeves for variable peg heights. The base will be made of 120x45 pine and will feature fully collapsible (gate hinged) cross braces for easy transport and assembly.
Should be fun, I will be building 2 at the same time
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