angiolino Posted September 15, 2019 Share Posted September 15, 2019 hello a friend of mine would like me to build him a gym apparatus a salmon ladder, it is a metal structure on which a bar is hooked and a climb is made, repeatedly hooking the bar to the special support hooks, it would be used for training traction someone could suggest me how to build it and what material to use on the net there are photos without reference measures thanks Quote Link to comment Share on other sites More sharing options...
Frosty Posted September 16, 2019 Share Posted September 16, 2019 Good to see you posting again Angiolino, you pose some interesting problems. I miss your style challenges. This one is mostly a matter of picking what you want to build. I don't mean it's purpose but how you need it built. The rendering you posted is made to be reasonably easily taken apart for storage. Or perhaps meant to be shipped and assembled by the user. Do you want to build it this way? Can you make it more permanently assembled? This is a pretty straight forward build once we know some details of what your friend needs and wants. I don't recall, do you have a welder? Are you good enough welding to let people not just hang from your welds but literally jump up and down on them? If it can be a permanent installation then you don't need the red parts or tubing lined with bolt holes on four faces. The drawing shown allows it to be adjusted for height but there are easier ways. I need to know more about where and how your friend wants his salmon ladder. Is it a public gym or private? Details, I need more details. Frosty The Lucky. Quote Link to comment Share on other sites More sharing options...
Latticino Posted September 16, 2019 Share Posted September 16, 2019 If I had to build something like this I'd probably make a lot of it out of wood. Layered plywood construction for the "climbing toggle" legs and 4" x 4" for the other legs. Plenty of videos and images for this project online. Quote Link to comment Share on other sites More sharing options...
Glenn Posted September 16, 2019 Share Posted September 16, 2019 Be sure and weld or attach large washers or flanges to the ends of the rod you grip. This will keep the rod from being pulled through the teeth of the device and causing the operator to fall. Quote Link to comment Share on other sites More sharing options...
JHCC Posted September 16, 2019 Share Posted September 16, 2019 See, I thought you were talking about the mechanism that allows fish to swim around dams. And then there's this: Quote Link to comment Share on other sites More sharing options...
angiolino Posted September 16, 2019 Author Share Posted September 16, 2019 on the net I have seen some examples seemed scaffolding for construction site, of those homemade were almost all in wood, obviously it is not a structure for public gym but for an acquaintance of mine who has the hobby to train at home, I do not find the right design with the right reference measurements, if I make the hooks too far apart, I risk that when I hook the bar in the trimming phase, it does not grip and therefore you fall ruinously, I would like to know the right distance between the hook and the hook and the right distance between the hooks right proportions, we would like to do it in metal maybe tubular what do you think?I saw one that was attached to a structure called a power rack CYCLONE 100 Quote Link to comment Share on other sites More sharing options...
Latticino Posted September 16, 2019 Share Posted September 16, 2019 Possibly you didn't get a chance to look through any of the links from my first post. Several of them have dimensions, including this one: https://www.wikihow.com/Build-a-Salmon-Ladder Of course I have no idea what the optimum dimensions would be for your friend, or even what he is trying to accomplish other than working out. If it were me I'd either tabulate the differing dimension from some of the links from my first post, or have your friend go to the gym and measure one that he is happy with. If he is trying for a copy of an American Ninja Warrior course, I've seen those with dimensions posted as well, but you have to pay for the plans. Quote Link to comment Share on other sites More sharing options...
Kozzy Posted September 16, 2019 Share Posted September 16, 2019 There is also a peg version that would be easier to fabricate--basically a punch of holes in a thick hardwood board and you hold a "peg" in each hand moving from hole to hole. The benefit of those can come when you don't have a lot of height--you can peg up a little and then have horizontal holes to peg across and then back down. Does about the same thing as the ladder style you mentioned except without the ability to "hop" from location to location. If it was mine to build, I'd bite the bullet and have the wall fixture part done on a CNC plasma cutter. It isn't horribly expensive and you will get the shape and consistency needed. Probably a steel plate on each side forming a wood-beam sandwich. It could be hand plasma cut with a jig also. Sometimes it's worth throwing a little money at to save a ton of extra work and gain the extra quality/consistency. Quote Link to comment Share on other sites More sharing options...
angiolino Posted September 17, 2019 Author Share Posted September 17, 2019 thank you for the valuable advice and clarifications, I evaluated everything and will try to take the right solution, my friend told me that he wanted to find an old scaffolding type scaffolding on which to build the power rack structure and fix the salmon ladder on it and others tools, like the pulley and also use it as a support for the barbell to lift weights on bench thanks, even if you had other ideas to draw inspiration from, I invite you to write thanks again htt Quote Link to comment Share on other sites More sharing options...
Frosty Posted September 17, 2019 Share Posted September 17, 2019 Angiolino: Looks like you've taken on quite a project. I think your friend wants you to build him a multiple station gym. The salmon ladder could serve more than one purpose, it could also hold bar bells. The clevis on the top cross member of the salmon ladder that holds the safety line is perfect to hold a safety line on the barbell so it can't fall and hit the lifter. Make sense? How many work out stations does your friend want? If he wants you to build a salmon ladder that attaches to one he plans of buying you'll need to be able to take measurements and find out how to attach it. On the other hand if he wants you to build a salmon ladder as a stand alone station there are other issues and lastly if he wants you to build a large frame so he can attach other work stations it's a whole different multiple part problem. This gets more and more interesting. Frosty The Lucky. Quote Link to comment Share on other sites More sharing options...
angiolino Posted September 18, 2019 Author Share Posted September 18, 2019 how would you do it? could you kindly attach some drawings with measurements,? thanks. hold bar bells? what would you say to me with a photo I don't go to gyms thanks Quote Link to comment Share on other sites More sharing options...
pnut Posted September 18, 2019 Share Posted September 18, 2019 Salmon ladders are used on the TV show American Ninja warrior. If you Google those search terms a lot of pictures and info comes up. Pnut Quote Link to comment Share on other sites More sharing options...
Frosty Posted September 18, 2019 Share Posted September 18, 2019 I'll do what I can Angiolino, I don't have a decent cad program on my machine, I haven't been able to find anything that isn't to loaded with useless junk for me to use. I'm hitting the Tutorial I have with Draft sight for another try. I'll let you know if I can't get a drawing of what I'm thinking. I may have to try scanning a hand sketch. Frosty The Lucky. Quote Link to comment Share on other sites More sharing options...
angiolino Posted September 19, 2019 Author Share Posted September 19, 2019 thank you sorry if I take advantage of your patience and your precious time thank you again, I'm too fussy and boring forgive me. The supporting structure is made of square iron boxes 40x40x3mm would it be enough to hold the load? Quote Link to comment Share on other sites More sharing options...
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