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  1. Thread: droop load

    by 95shaw
    Replies
    16
    Views
    1,219

    Just to be clear for the original poster, The...

    Just to be clear for the original poster,
    The droop load overcomes the force holding the birdcage locked, and lets the chassis lower slightly, to help the rear rotate the chassis.
    Less force...
  2. Thread: droop load

    by 95shaw
    Replies
    16
    Views
    1,219

    So you are saying that the droop load on the LR...

    So you are saying that the droop load on the LR spring provides some of the force needed to turn the birdcage clockwise.

    Doesn't that mean that the loads are being carried by the bars until that...
  3. Thread: droop load

    by 95shaw
    Replies
    16
    Views
    1,219

    Thrust load continues all the way down the...

    Thrust load continues all the way down the straight, even though acceleration drops off.

    That aero load comes at a cost. No free lunch.
    If not applying enough thrust to at least overcome drag,...
  4. Thread: droop load

    by 95shaw
    Replies
    16
    Views
    1,219

    I guess I am not really feeling it. The lr...

    I guess I am not really feeling it.

    The lr spring compresses as load is applied. We have used the bars to get to race height, with a zero index birdcage, so the droop load is less than at static...
  5. Thread: droop load

    by 95shaw
    Replies
    16
    Views
    1,219

    How is weight derived from aero downforcce...

    How is weight derived from aero downforcce applied to LR tire if not through the bars?
  6. Now think about dynamic camber in the rear axle....

    Now think about dynamic camber in the rear axle.

    What do wheel weights look like mid corner?

    How much difference is there really in dynamic camber?
  7. I would add kingpin inclination and scrub radius...

    I would add kingpin inclination and scrub radius to factors not usually discussed, but relevant to why different settings are used by different manufacturers.

    Billet's post about camber, as I see...
  8. Replies
    4
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    449

    Most use a seal on the inside. Seals oil to...

    Most use a seal on the inside. Seals oil to center of case only. Seals ride on end of spool just outside bearing cone, installed in sidebell, behind bearing cone.
  9. Replies
    23
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    2,265

    Static wedge numbers mean very little. ...

    Static wedge numbers mean very little.

    Dynamic numbers are what really matters.

    Scale numbers tell you left and rear percentage for setup purposes.

    Reading dynamic numbers is impossible on...
  10. Replies
    16
    Views
    1,252

    A manual pump has already been designed. I...

    A manual pump has already been designed.
    I believe Stewart had one called Race Pumps with a version to handle pressures for port injection.

    Haven't seen anything on them for awhile though.
  11. Thread: 6th Coil Travel

    by 95shaw
    Replies
    9
    Views
    979

    What would a shock extension hurt in this...

    What would a shock extension hurt in this instance?

    Just curious.
  12. Thread: let's chat

    by 95shaw
    Replies
    239
    Views
    11,895

    https://racecareng.com/tech-transmission-bert-gen-...

    https://racecareng.com/tech-transmission-bert-gen-2-late-model-exploded-parts-view

    or

    https://www.speedwaymotors.com/Bert-Transmission-SG-1003-Late-Model-Input-Shaft,294875.html
  13. Thread: let's chat

    by 95shaw
    Replies
    239
    Views
    11,895

    The purpose of any discussion is to open the...

    The purpose of any discussion is to open the possibilities there are more ways to arrive at the same destination.

    We both see that compromises are being made, both on restarts, and also on the...
  14. Thread: let's chat

    by 95shaw
    Replies
    239
    Views
    11,895

    I may not be following the logic completely. ...

    I may not be following the logic completely.

    Both cars restart at peak torque (400 lbs). The 602 has the advantage of shifting (returning to peak torque) at a higher ground speed, while the 604 is...
  15. Some only think in terms of spring compressing. ...

    Some only think in terms of spring compressing.

    Think of a 400# spring and a 100# spring each with 600 lbs on them at ride height. Tthe 400# spring is compressed 1.5 inches. The 100# spring is...
  16. Thread: Carb problem

    by 95shaw
    Replies
    3
    Views
    442

    I have had the best luck lowering fuel level to a...

    I have had the best luck lowering fuel level to a sixteenth or so below the threads in sight glass.

    make sure you have the vent baffle/ extension on there.
  17. Replies
    20
    Views
    1,509

    I'm not sure why no one has eliminated the trans...

    I'm not sure why no one has eliminated the trans completely from the back of the engine, and incorporated it in the reaend housing.

    Planetary in input shaft, or behind quick change gears for low...
  18. Thread: Ct525

    by 95shaw
    Replies
    17
    Views
    497

    Just looked at the torque curve, looks like it...

    Just looked at the torque curve, looks like it would probably do alright in a stock situation. Going to need to be up in the revs to take advantage of bigger horsepower.

    Simpler swap may be to...
  19. Thread: Ct525

    by 95shaw
    Replies
    17
    Views
    497

    Probably the same as putting any race motor in a...

    Probably the same as putting any race motor in a stock vehicle.
    Drivability, overheating, poor fuel economy.

    Could overcome some of these with loose converter, lower rearend gears, better cooling...
  20. Thread: Brake Issue...

    by 95shaw
    Replies
    3
    Views
    378

    You likely have air trapped somewhere. Find a...

    You likely have air trapped somewhere. Find a connection in the lines at the high point in the system and bleed there.
  21. Replies
    3
    Views
    585

    Tire to frame clearance on the rear with gm...

    Tire to frame clearance on the rear with gm metric cars.
  22. Thread: Front sway bar

    by 95shaw
    Replies
    6
    Views
    695

    First, read your particular rules closely. IMCA...

    First, read your particular rules closely.
    IMCA rules say no sway bar.

    Of course, the right tech guy could see the sway bar as a limiter.

    I see where your thinking is headed. Lot of...
  23. Thread: clamped set up

    by 95shaw
    Replies
    2
    Views
    606

    For most 4link/4link pullbar setup, birdcage,...

    For most 4link/4link pullbar setup, birdcage, with links attached, floats on axle.
    Brakes can be clamped to axle, on a floater with its own link, or attached to birdcage.

    Most common, lr spring...
  24. Replies
    20
    Views
    1,160

    The balance of traction at the front should be...

    The balance of traction at the front should be the real consideration for limiting braking forces at the right front.

    Glad you caught my drift.
  25. Replies
    20
    Views
    1,160

    The thought process should be, will the heaviest...

    The thought process should be, will the heaviest loaded tire, on entry, on the front, lock up first?
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