If I understand this right you need to control flipping over 4000# connected to an arm of your gizmo?
I did something similar once - numbers were bigger but what we did was just made a part that fit into the piece of equipment and poured a concrete brick of appropriate size to get the weight we...
Depending on how critical to fly the load flat would drive me to pick 3 v. 4 legged sling.
If you have very little clearance I would probably opt for 3. If I wanted to be able to manually "tweak" how part is flying 4 will be easier to manipulate.
Personally I prefer 3 legged rigging as it is...
I had some parts done in late '97 early '98 timeframe they were stupid expensive at the time ~$4500 for 6 parts about the size of baseball (three of each) we then used those to make parts for testing via investment casting the pieces. The technology was still pretty new and it killed me to burn...
I am more or less getting started and generally I do small jobs here and there that don't conflict with my day job. Usually I do the design and build.
I did one job that has lead to another opportunity.... problem is that as a more or less one man show (wife is also an engineer and can help...
I have been researching welding units both MIG and TIG. Something has struck me as odd everywhere I read that you must have AC to weld aluminum when discussing generalities but then getting into specs of weld units and I see DC mig machines that are quite good at Aluminum. What is it about MIG...
I have been researching welding units both MIG and TIG. Something has struck me as odd everywhere I read that you must have AC to weld alum. when discussing generalities but then getting into specs of weld units and I see DC mig machines that are quite good at Aluminum. What is it about MIG that...
