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That's what I have! Purchased new ~20 years ago. (y)

5:1 Safety factor is only for wire rope. There is no standard for gantry cranes, that I'm aware of, anyway. Overhead bridge cranes are likely designed to CMAA and AISC standards. Looking at the girder ONLY, the easiest way to get an idea of the beam size capability would be to look at...

If your compressor and/or outlet has a neutral, could you hook up the 110v version to the motor side of the compressor using only 1 leg of the 220v? Then it would cycle on (purge) every time the compressor started up and only while the compressor was running.

I think you'll get the biggest ROI from a purge valve on the drain; $50 on Amazon. I wouldn't want the purge to cycle day and night 24/7 when you're only using the compressor once every few weeks to changes tires. You could wire the purge valve into the compressor power then when you unplug...

Yes, definitely opt for the swivel lock! I can lock both casters on 1 side and push the gantry solo from the other side. I can't imagine trying to make the gantry go where I wanted without the swivel locks, it would be a circus. Size the diameter for your surface. Generally larger is...

I went through the same thing a little over a year ago. My 20 year old oil-less (read: insanely loud) Craftsman stopped pumping and I upgraded to a QT-5. I was under the impression that Quincy set the bar *shrug. Save for the QT54 which runs at high rpm. I have a sand blaster with a pressure...

For some, it could be stability. If you've ever put your life at risk with a cheap store bought gantry, you want it as low as possible. For me, my shop door is < 8ft tall and I want to use it outside. I built it with the max height and it clears the door. I would've built it taller if I could.

For whatever it's worth; I've done side work as a design engineer. ~I won't sign a non-compete for free. It's silly for me to take on liability, at any level, for free. ~Unless you're in the big-time and have money to burn, patents are dumb - like someone already said above, China will steal...

I don't think double deep 1-car is too out of place. Build as big as you can within your budget and you'll be happy. If your driveway is only 1.5 deep then, like you said, it's going to be a production to move around cars no matter what. I saw the thread title so to answer your question...

I bought one and used it. Pushed the fender out too far and had to make an adapter plate so I could flip it around and use it the opposite way. So....like someone already said SMALL INCREMENTS - can't stress that enough. I put mine up for rent/sale on CL regularly. I rented it out with a...

I'm up to it, PM me if you want to know where to send the deposit. Custom one-off machining isn't cheap though. The OP already turned down the idea without even talking about how much. Since it's all relative, what's 'crazy' to you? You could say design and programming would be on the order...

Hey friend, thanks for taking the time to do this. I just killed a few hours skimming 30 pages... Everything looks awesome! :beer:

Pen is very nice, well done! :thumbup: I just had a duh moment after reading your post. I'll need a 9/16" transfer punch on Monday for a few holes but my set only goes to 1/2". I have a lathe but never thought to make one. I get stuck in the mindset - if it can be bought, it's not worth my...

So much truth to this - even if you're familiar. I design machinery and if it's something for mass production then cutting material costs is important. However, for anything that is a 1-off, I take what I think will be good enough, then double or triple it. Too many times I have a thought...

That might've been me but I wired up a on/off valve to the light switch. If you just turn off the compressor and your airlines aren't sealed tight then you'll come back to an empty tank. I used this: https://www.amazon.com/gp/product/B00PVPFAUE/?tag=atomicindus08-20 But you can pay more and...

What's funny is that I thought, "What the heck am I doing, these are going to require 3ph". Sure enough, they have single phase options. Doh! I'm not sure what your requirements are but years ago I ran a Trak lathe with an LX2 controller. A used one of those would give you profiling...

That's called a gusset, the idea was shot down in the OP. :)

And now I'm shopping :lol_hitti Silly though, a TL is nowhere in my near future haha.

That's pretty neat, I laughed and shared it with a friend. Good work! :beer:

Tough crowd here.... I'm a hobbyist/side business owner so maybe my opinion is more inline with the OP compared to the previous posters that seemingly have unlimited budgets. I've purchased mostly import tooling, tool holding, measuring tools and most stuff has worked just fine for me. My...