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Video of the Week: Chassis-Dyno Accidents

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  • Video of the Week: Chassis-Dyno Accidents

    http://www.bangshift.com/blog/Video-...Accidents.html

  • #2
    Re: Video of the Week: Chassis-Dyno Accidents

    Great reactions by the operator on the first one. Holy [email protected]#!!

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    • #3
      Re: Video of the Week: Chassis-Dyno Accidents

      In the literally thousands of chassis and engine dyno runs we made during my tenure at EPA we had surprisingly few incidents. A motoring DC dyno WILL push the heads off a hydrostatically locked gas engine, however (wish we had a vid of THAT one!). My buddy Vince was at the console and he was PISSED. Ruined an engine that was midway thru a test program - the very most expensive engine to lose. We also lost a dyno driveshaft from time to time. Our big dynos used sort of a short truck-style driveshaft w/big honking U-joints from a flywheel adaptor to the dyno armature hub.

      When we first started running FWD cars we had a couple that slid sideways, but we got pretty clever at centering them before startup (the test requires a cold start after an all night soak). This and better cross tying pretty well stopped that.

      Great vids - and a good reminder of what can happen.

      Dan


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      • #4
        Re: Video of the Week: Chassis-Dyno Accidents

        I'm always amazed at how many people stand right next to the dyno. Especially the ones that put the driveshaft up at head level. I can just imagine the drive shaft hopping out and dancing through the crowd, or a rod, balancer, flywheel, ect.

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        • #5
          Re: Video of the Week: Chassis-Dyno Accidents

          Originally posted by dthemi
          I'm always amazed at how many people stand right next to the dyno. Especially the ones that put the driveshaft up at head level. I can just imagine the drive shaft hopping out and dancing through the crowd, or a rod, balancer, flywheel, ect.
          I was thinking the same thing as that guy stood next to the dyno in that first picture.

          In our rather sterilized world a lot of folks seem to forget that nothing is 100% safe.

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          • #6
            Re: Video of the Week: Chassis-Dyno Accidents

            FWD is the scariest of all, i never felt safe driving. I would wear a seatbelt when dynoing a fwd car.
            Of the 1000's of pulls I've made or witnessed, we never once had a driveline breakage. Or even a topend blow up. Only 1 fire that was minor. We tried to be pretty careful to iinspect stuff before it pulled on

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            • #7
              Re: Video of the Week: Chassis-Dyno Accidents

              Originally posted by dthemi
              I'm always amazed at how many people stand right next to the dyno. Especially the ones that put the driveshaft up at head level. I can just imagine the drive shaft hopping out and dancing through the crowd, or a rod, balancer, flywheel, ect.
              Hence, the reason I was standing all the way across the room when I was at Westech with my car.

              I had the camera zoomed in to get the close up. I also had my eyes closed praying it would survive on each pull.

              http://www.youtube.com/watch?v=GB4kO4_1nME
              BS'er formally known as Rebeldryver

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              • #8
                Re: Video of the Week: Chassis-Dyno Accidents

                The Car Craft chassis dyno mishap with the Model A was quite the expierence. I was standing about 5 feet behind the guy with his shirt off that you can see right in the beginning and man was that somthing. If the chassis dyno driver would have missed the brakes or somthing things could have been really ugly. Its kind of cool to say i saw that first hand and up close though....

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                • #9
                  Re: Video of the Week: Chassis-Dyno Accidents

                  Originally posted by 73Nova
                  The Car Craft chassis dyno mishap with the Model A was quite the expierence. I was standing about 5 feet behind the guy with his shirt off that you can see right in the beginning and man was that somthing. If the chassis dyno driver would have missed the brakes or somthing things could have been really ugly. Its kind of cool to say i saw that first hand and up close though....
                  So, did they move the crowd back a few feet after that?
                  BS'er formally known as Rebeldryver

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                  • #10
                    Re: Video of the Week: Chassis-Dyno Accidents

                    They were up close and personal at the CC show this year.

                    Brian
                    That which you manifest is before you.

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                    • #11
                      Re: Video of the Week: Chassis-Dyno Accidents

                      Last year we had the chassis dyno at our church event, and I spent a lot of time trying to get people to move away from the dyno..... to varying degrees of success.... in part because of that argument I'm not organizing their event again.

                      What was amazing to me was the lack of people who wanted to dyno their car... in retrospect, that is probably a good thing.
                      Doing it all wrong since 1966

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                      • #12
                        Re: Video of the Week: Chassis-Dyno Accidents

                        Originally posted by Stoneshrink
                        What was amazing to me was the lack of people who wanted to dyno their car... in retrospect, that is probably a good thing.
                        Would you want to be exposed as a liar in a church parking lot? ;D

                        Brian
                        That which you manifest is before you.

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                        • #13
                          Re: Video of the Week: Chassis-Dyno Accidents

                          These guys need a ButtDyno from,www.KaleCoAuto.com.
                          Calypornya...near the beach

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                          • #14
                            Re: Video of the Week: Chassis-Dyno Accidents

                            Man , I can just imagine the model a launching off that platform under full gas . Even without by standers it would be horific.

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                            • #15
                              Re: Video of the Week: Chassis-Dyno Accidents

                              At EPA, no one was allowed in the cell when the vehicle/engine was running unless it was ABSOLUTELY necessary. If someone had to enter, the dyno operator sat at the console literally with his/her hand over the emergency stop button. The button got slammed if there was ANY question that something might be amiss. We never had a significant accident in my 31 1/2 years - not that we didn't try from time to time.

                              Dan

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