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| Strength of metal tube/angle iron https://www.ausmini.com/forums/viewtopic.php?f=2&t=27010 |
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| Author: | britishvita [ Sun Jan 21, 2007 6:48 pm ] |
| Post subject: | Strength of metal tube/angle iron |
Am thinking of making a set of car ramps (like I need another project..) like a few other people have here. Does anyone know (or a site that can calculate) how much weight a certain thickness of metal can hold. I'm not looking at using anything really thin but I don't want it weighing too much that it can't be carried or moved. Am thinking of using angle iron and 50x50 fencing square tube mainly if this helps. |
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| Author: | 1071 [ Sun Jan 21, 2007 7:44 pm ] |
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Zip off down to your local Repco and check out the commercial options. That will give you an idea of what a suitable structure looks like. They built the Eiffel Tower without the beenfit of finite element analysis. Cheers, Ian |
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| Author: | Convertible Mini [ Sun Jan 21, 2007 7:47 pm ] |
| Post subject: | Car ramps |
My mate next door bought a near new pair of these at a Garage sale on the weekend for $15.00. Whay bother making a pair ! |
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| Author: | Molina [ Sun Jan 21, 2007 8:55 pm ] |
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Make sure your triangulate a few members (ie: create a truss) so you aren't relying entirely on your welding skills for rigidity. I think some of the commercial ramps are crap for this reason. I have one of my ramps leaning on an angle now because it's got no diagonal bracing. Looks so dodgy, and probably is, but i still use it. If it's taken the weight of my 1.4 tonne Cressida it'll cope with a mini. (I still chuck a couple of wheels under the car before i get under there though  ).
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| Author: | britishvita [ Sun Jan 21, 2007 9:23 pm ] |
| Post subject: | |
Ah, I meant more of the tilting ramp type like this: http://www.ausmini.com/forums/viewtopic.php?t=22250 Got a pair of normal ramps, cost a whole $13..... but want something that the whole car can go on and I don't see myself getting a hoist any time soon. Quote: Make sure your triangulate a few members (ie: create a truss) so you aren't relying entirely on your welding skills for rigidity.
Yeah the triangulation adds a lot of stiffness, will probably use some angle iron on the outside for that |
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