Miller Electric

Welding Discussion Forums

Home » Resources » Communities » Welding Discussion Forums

The forum is currently undergoing maintenance and is in a 'read-only' mode for the time being. Sorry for the inconvenience.


  • If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below.

Announcement

Announcement Module
Collapse
No announcement yet.

Anyone have any car ramp designs or plans?

Page Title Module
Move Remove Collapse
X
Conversation Detail Module
Collapse
  • Filter
  • Time
  • Show
Clear All
new posts

  • #16
    Some interesting information regarding ramp designs

    Did you know that there is engineering methods that can be used to increase safety factors?

    If the base of a ramp or platform is at least 1.2 times the height of a ramp then it increases stability, thus making it much less likely to tip over (As you see with circus platforms for elephants)

    If the height is 12" (300mm near enough) then your ramp should have a base of at least 14" (360mm) and obviously if you taper the platform height smaller than your footing then it will also increase stability.

    Hence the reason why my platforms (at this stage) should be around 12" (300mm) high, 12" (300mm) wide by 17.75" (450mm) long at the top and 13.75" (350mm) wide by 19.7" (500mm) long at the bottom.


    Constructing with the taper means that the weight has to travel further past the center of gravity before it can be displaced, and the effort to make the weight travel past the centre of gravity is a lot harder to make happen.

    Comment


    • #17
      My buddy made car ramps by the thousands and sold them for 20 some years. Long story short someone "missused" one and got killed. Ins company settled for a million bucks to who ever sued for the loss of life. Building now sits empty and for sale right around the corner from me. His ins company dropped him after the court date so he sold everything for pennies on the dollar...Bob

      Comment


      • #18
        Originally posted by aametalmaster View Post
        My buddy made car ramps by the thousands and sold them for 20 some years. Long story short someone "missused" one and got killed. Ins company settled for a million bucks to who ever sued for the loss of life. Building now sits empty and for sale right around the corner from me. His ins company dropped him after the court date so he sold everything for pennies on the dollar...Bob
        Bob, methinks that the manufacturing of ramps and selling them would be considerably different to the selling of PLANS for someone else to construct the ramps.

        Basically, if an architect drew plans for a building design to what you want, and an engineer approved the design, then YOU built it yourself, and omitted parts from teh design, or instead of using steel bolts you used plastic bolts, and then it fell down and killed someone, do you think there would be any chance that any court would allow a law suit from you (the constructor)???


        GET REAL PEOPLE!!!!!

        Geez, I can go and purchase all the engine parts from my local store to build almost any engine I want, but if I did that and forgot something, or changed it from the engineered design, would they support any breakage claim??? NO!

        Comment


        • #19
          No offense brother....but I would not get under a car if your welding your ramps with a 110v MM. You can go and buy a set of commercially made ramps on CL for $10-$15 dollars. But, hey! Good Luck with that!

          Comment


          • #20
            Originally posted by pro70z28 View Post
            Can't help you out with the ramps but I can with the platforms.









            I made them out of angle because I had an abundance of it given to me awhile back.
            (I bolted the wooden parts on with carriage bolts, as I couldn't get welds to hold either)
            That's a really cool idea. This is something I would throw together and use until I have a garage with a lift.

            One question though - what do you use to get the car high enough to get the stands under? Can't tell the exact height, but it looks like it would be higher than a typical jack could reach.

            Comment


            • #21

              I use a floor jack to get it to the halfway point & set it on jack stands, then use this extension I welded up to raise it the rest of the way.
              As top heavy as it seems it might be, it is surprising stable. I turned the pin that fits in the jack on the lathe so there is nearly 0 slop in the fit. Even so, it only gets used on the flat concrete floor & I am careful to stay as clear of the car as possible until the stands are slid in place, just in case. The "Z" only weighs 1,400 lbs. at this point, but we've had my son's 95 Camaro up on the stands to do exhaust work.
              Last edited by pro70z28; 10-22-2011, 06:11 AM.

              Comment


              • #22
                I've thought of making an extension for my jack before, but never had a reason to really follow through with it. Now that I've seen these stands, I think I have a reason. I always hoped to come across a real cheap vehicle ramp from a used car lot or something - at least until I had a place I could get a lift. Your idea is a much more reasonable solution to get the car high and not take up too much room when it's not being used.

                Great idea, and great looking car too!

                Comment


                • #23
                  Originally posted by pro70z28 View Post

                  I use a floor jack to get it to the halfway point & set it on jack stands, then use this extension I welded up to raise it the rest of the way.
                  As top heavy as it seems it might be, it is surprising stable. I turned the pin that fits in the jack on the lathe so there is nearly 0 slop in the fit. Even so, it only gets used on the flat concrete floor & I am careful to stay as clear of the car as possible until the stands are slid in place, just in case. The "Z" only weighs 1,400 lbs. at this point, but we've had my son's 95 Camaro up on the stands to do exhaust work.
                  @pro70z28 Thank you very much for the very inspirational photos much appreciated mate!
                  What you have been able to show in a few photos is that this is not as difficult as some of the poster's here have made out.

                  Obviously you are a constructor who has not become so extremely concerned about the trivial crap (and other people's abilities to weld) that appears to have confused some people into NOT sharing their knowledge!

                  I commenced my ramps project, though it was placed on hold because of other commitments, 2 family funeral's, as well as my travel away from home, but I am planning to get them finished in the next few weeks, and will certainly place photos up here afterward!



                  Originally posted by TravisT View Post
                  I've thought of making an extension for my jack before, but never had a reason to really follow through with it. Now that I've seen these stands, I think I have a reason. I always hoped to come across a real cheap vehicle ramp from a used car lot or something - at least until I had a place I could get a lift. Your idea is a much more reasonable solution to get the car high and not take up too much room when it's not being used.

                  Great idea, and great looking car too!
                  @TravisT, There is your reason, idea, and (as I was originally seeking) the vision to get constructing & I agree, great idea and car!



                  Originally posted by woodtick007 View Post
                  No offense brother....but I would not get under a car if your welding your ramps with a 110v MM. You can go and buy a set of commercially made ramps on CL for $10-$15 dollars. But, hey! Good Luck with that!
                  @woodtick007, We use 240vac 50hz here, though over the years I have also welded with direct 12vdc arc, 24vdc arc and 36vdc arc.

                  I am welding now using my 240vac inverted to

                  Also, these mini spool mig guns are just awesome and the welds, well they are comparable to the BIG professional units I have used.

                  Last edited by gasgrassorarse; 10-25-2011, 05:41 PM.

                  Comment


                  • #24
                    oh I forgot to add that my welder specs are:

                    Transmig 165

                    Maximum open circuit voltage: 34vdc
                    welding arc voltage: 15-21vdc,
                    Output current: 30-165 amp

                    and I have been using .9mm (.035") flux core wire:
                    E71T-11 (AWS A5.20) on DCen


                    TYPICAL WELD METAL CHEMISTRY* (Chem Pad):
                    Weld Metal Analysis Self-Shield 11 AWS Spec
                    Carbon (C) 0.27 0.30
                    Manganese (Mn) 0.38 1.75
                    Silicon (Si) 0.18 0.60
                    Phosphorus (P) 0.006 0.03
                    Sulphur (S) 0.004 0.03
                    Aluminum (Al) 1.56 1.80
                    Note: AWS specification single values are maximums.
                    TYPICAL MECHANICAL PROPERTIES* [Aged 48 hrs @ 200F (93C)]:

                    CONFORMANCES AND APPROVALS:
                    AWS A5.20, E71T-11
                    AWS A5.20M, E491T-11
                    ASME SFA 5.20, E71T-11
                    ABS, E71T-11
                    CWB, E491T-11-H8

                    Comment

                    Working...
                    X
                    Special Offers: See the latest Miller deals and promotions.