https://youtu.be/yS2zZ5AgfDI
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Thanks ttmrj! We've added your Trolley to our Miscellaneous category,
as well as to your builder page: ttmrj's Homemade Tools. Your receipt:
<div id="blocks"> <div class="block b1 pngfix"> <div class="bimg"> <div> <a href="https://www.homemadetools.net/homemade-trolley-2"> <img src="/uploads/254715/homemade-trolley-2.jpeg"/> </a> </div> </div> <div class="head pngfix"></div> <div class="left pngfix"></div> <div class="right pngfix"></div> <div class="blockover b1 pngfix"> <div class="title"> <a href="https://www.homemadetools.net/homemade-trolley-2">Trolley</a> <span> by <a href="https://www.homemadetools.net/builder/ttmrj">ttmrj</a></span> </div> <div class="tags">tags: <a href='https://www.homemadetools.net/tag/i-beam'>I-beam</a> </div> </div> </div> </div>
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ttmrj;
I've a little gantry too, 1/2t and just over 10' headroom. The first intended use, had to gain every inch possible. I switched lower bolt and link with a shop made bolt, of largest diameter to still fit hook of chain fall. That hook is so close, "repainting will make it hit". That now resides over 16" x 56" lathe, main job is swap lathe chucks and hoisting work pieces.
Tossed around need for a second mobile gantry, and top-running will be preferred, just as yours. Can't see eventual collection of dust being much the issue, even the tapered sections of I-beam collect some, but do have lessened contact.
Still envisioning.
Gday, thanks for commenting, I don’t believe the dust will cause a problem really on top of the i beam, I’ve used it quite a bit now and had no issues at all, it rolls from side to side easily, building it in this configuration is much easier then 4 separate rollers and I believe this is a stronger design, time will tell but a simple flick along the top with a broom should work, I am toying with the idea of using an electric chain block, this will need a new trolley, thanks again mate, Cheers