Rf load

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  • MasterSbilt_Racer
    Senior Member
    • May 2007
    • 14303

    #16
    Load gets the car off the corner. Bar angle only lifts the car until the chain is tight. Once your chain is tight, your bar angle means nothing as bar forces and chain forces cancel each other out.
    Modern Day Spec Wedge Racing

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    • hunterracing
      Senior Member
      • Jan 2009
      • 303

      #17
      Would you benefit more say taken the 350 outa rf and putting like a 475 500 in there but lowering the ride height but still ending up with same load number at 3.5 to 4 inches travel or does the softer loaded more 350 spring have better feel or transition goin down

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      • 95shaw
        Senior Member
        • Nov 2007
        • 205

        #18
        Now you start messing with body heights while sitting in the pits.
        Also, load numbers above and below the load numbers are different. So, if your car isn't at the load center to center, the loads are not the same.

        If you are using someone else's setup, need to follow their exact setup if expecting similar results

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        • MasterSbilt_Racer
          Senior Member
          • May 2007
          • 14303

          #19
          Originally posted by hunterracing View Post
          Would you benefit more say taken the 350 outa rf and putting like a 475 500 in there but lowering the ride height but still ending up with same load number at 3.5 to 4 inches travel or does the softer loaded more 350 spring have better feel or transition goin down
          At that point, you are just going back to an old school setup. Car can drive fine, but your spoiler is lower while you race around the track.
          Modern Day Spec Wedge Racing

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          • hunterracing
            Senior Member
            • Jan 2009
            • 303

            #20
            So then with that. Maybe the stiffer spring but lower starting ride height would be best then but still end up at same load at the 4 inch mark

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            • 95shaw
              Senior Member
              • Nov 2007
              • 205

              #21
              Originally posted by hunterracing View Post
              So then with that. Maybe the stiffer spring but lower starting ride height would be best then but still end up at same load at the 4 inch mark
              Is your car at that 4 inch mark all the way around the track?
              Cause that's the only place wheel loads will be the same.

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              • hunterracing
                Senior Member
                • Jan 2009
                • 303

                #22
                Probly not

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                • 95shaw
                  Senior Member
                  • Nov 2007
                  • 205

                  #23
                  Regardless of where the spoiler is hanging out at, only thing the contact patches see is the weight actually applied to them. Doesn't matter where it comes from.
                  Unless you are coil bound, or on a bump stop, all that weight must come through the shock/spring, on the rf.

                  On the rear, weight can be carried by the 4 link bars, the j bar, and the spring/shock.

                  Still, the only connection to the track is the contact patch.

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                  • hunterracing
                    Senior Member
                    • Jan 2009
                    • 303

                    #24
                    Yea that’s over my head there

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                    • MasterSbilt_Racer
                      Senior Member
                      • May 2007
                      • 14303

                      #25
                      Originally posted by 95shaw View Post
                      Regardless of where the spoiler is hanging out at, only thing the contact patches see is the weight actually applied to them. Doesn't matter where it comes from.
                      Unless you are coil bound, or on a bump stop, all that weight must come through the shock/spring, on the rf.

                      On the rear, weight can be carried by the 4 link bars, the j bar, and the spring/shock.

                      Still, the only connection to the track is the contact patch.
                      But the higher you get that blade, the more you push down on those contact patches.
                      Modern Day Spec Wedge Racing

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                      • 95shaw
                        Senior Member
                        • Nov 2007
                        • 205

                        #26
                        Originally posted by MasterSbilt_Racer View Post
                        But the higher you get that blade, the more you push down on those contact patches.
                        If the effect you claim is truly aero, it will become less effective when behind another car.

                        Also, that weight on the tires comes at the expense of more aero drag. No such thing as something for nothing.

                        After all is said and done, need correct balance of traction between rear tires at any place around the track to make use of stagger to create lowest lap times.

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                        • MasterSbilt_Racer
                          Senior Member
                          • May 2007
                          • 14303

                          #27
                          Originally posted by 95shaw View Post
                          If the effect you claim is truly aero, it will become less effective when behind another car.

                          Also, that weight on the tires comes at the expense of more aero drag. No such thing as something for nothing.

                          After all is said and done, need correct balance of traction between rear tires at any place around the track to make use of stagger to create lowest lap times.
                          Total load gain is aero. Balance left to right is changed by lifting the chassis. Yes, following a car has some effect. Drag isn't that big of a deal when you are running less than 100% throttle, with a big power reserve to overcome drag and use the extra vertical load on the tires. I learned that long ago when I had to join the aero movement to go fast.

                          Essentially, if your acceleration is limited by traction, you almost always benefit by adding drag, as long as it comes with added downforce.
                          Last edited by MasterSbilt_Racer; 09-10-2022, 10:48 AM.
                          Modern Day Spec Wedge Racing

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                          • 95shaw
                            Senior Member
                            • Nov 2007
                            • 205

                            #28
                            Originally posted by MasterSbilt_Racer View Post
                            Total load gain is aero. Balance left to right is changed by lifting the chassis. Yes, following a car has some effect. Drag isn't that big of a deal when you are running less than 100% throttle, with a big power reserve to overcome drag and use the extra vertical load on the tires. I learned that long ago when I had to join the aero movement to go fast.

                            Essentially, if your acceleration is limited by traction, you almost always benefit by adding drag, as long as it comes with added downforce.
                            The last paragraph should be telling for the limited, and crate guys trying to run unlimited setups.

                            Same can be said for spec tires, etc.

                            Next question will be, Where is the dividing line between power and aero benefit?

                            Is it track size, or just horsepower?

                            If the guys asking questions do not understand wheel loads, is the aero really gonna benefit them?
                            Last edited by 95shaw; 09-10-2022, 01:21 PM.

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                            • powerslide
                              Senior Member
                              • May 2007
                              • 2696

                              #29
                              i don't believe we can know the dividing line on a super late. They seem to be putting restrictors in and other things to kill power so sounds like they could still use more downforce.

                              Comment

                              • MasterSbilt_Racer
                                Senior Member
                                • May 2007
                                • 14303

                                #30
                                Originally posted by powerslide View Post
                                i don't believe we can know the dividing line on a super late. They seem to be putting restrictors in and other things to kill power so sounds like they could still use more downforce.
                                Ok TMac. Haha. More downforce would be faster, most definitely.

                                That said, it's the opposite of what the class needs from a survivability of the class standpoint.
                                Modern Day Spec Wedge Racing

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