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  1. Replies
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    1,710

    My question about the load stick is, how much...

    My question about the load stick is, how much does the rigidity of the shock mount affect readings?

    Do you try to stiffen this area of chassis to get more consistent readings?
  2. Replies
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    1,270

    Krom If you draw the arc at the end of the...

    Krom
    If you draw the arc at the end of the spindle with no caster, the ends of the spindle move downward in both turn in and countersteer.
    If you roll that arc back with negative caster, the ends...
  3. Replies
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    1,147

    Just an fyi Moly grease on any roller bearing...

    Just an fyi

    Moly grease on any roller bearing is a bad thing.
    Moly is great for bushings or sliding surfaces. The reason being is that it builds up on the surface, removing clearance. Good for...
  4. Replies
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    1,270

    My understanding is that 7 degree spindle...

    My understanding is that 7 degree spindle produces a larger arc that is associated with KPI

    If we roll more negative caster in, up to matching KPI, we can move all camber gain (meaning more...
  5. Replies
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    1,270

    Actually, 7 degree spindles increase weight...

    Actually, 7 degree spindles increase weight jacking because the pivot axis is farther from the center of the contact patch.

    Kpi by itself actually creates positive camber into the tire in both...
  6. Replies
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    The different kpi changes the scrub radius....

    The different kpi changes the scrub radius.
    Which changes weight jacking.

    Myself, I would prefer near zero scrub radius on the rf and tune lf scrub radius along with caster and camber to help...
  7. Thread: Need help!?

    by 95shaw
    Replies
    19
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    1,288

    Is the plan to try to coil bind rf to maintain...

    Is the plan to try to coil bind rf to maintain attitude?
    My advice is to set your frame at the attitude you wish to run. Probably need engine in car with headers, radiator, etc.
    As I stated in...
  8. Thread: Need help!?

    by 95shaw
    Replies
    19
    Views
    1,288

    Give how you intend to used the rear suspension,...

    Give how you intend to used the rear suspension, as the front must compliment what you are trying to do there.

    Do you intend to use a lot of travel at the right front? Keeping the font tires at...
  9. Replies
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    You are kinda limited by the required upper...

    You are kinda limited by the required upper a-frame. The a arms will get into the tires before you can move them far enough to eliminate caster change. You can change roll centers some by using ball...
  10. Thread: Trailer tires

    by 95shaw
    Replies
    7
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    719

    We have had the best luck with Firestone...

    We have had the best luck with Firestone Transforce At on our trailers in a commercial setting. Can't remember ever blowing one. Wore several out and broke cord on a couple.
    We air to 80 psi (max on...
  11. Thread: Tethering LF

    by 95shaw
    Replies
    13
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    2,037

    So, the next evolution would be heavy components...

    So, the next evolution would be heavy components on this corner of car?
  12. Thread: droop load

    by 95shaw
    Replies
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    4,325

    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...
  13. Thread: droop load

    by 95shaw
    Replies
    24
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    4,325

    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...
  14. Thread: droop load

    by 95shaw
    Replies
    24
    Views
    4,325

    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,...
  15. Thread: droop load

    by 95shaw
    Replies
    24
    Views
    4,325

    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...
  16. Thread: droop load

    by 95shaw
    Replies
    24
    Views
    4,325

    How is weight derived from aero downforcce...

    How is weight derived from aero downforcce applied to LR tire if not through the bars?
  17. 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?
  18. 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...
  19. Replies
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    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.
  20. Replies
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    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...
  21. Replies
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    1,543

    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.
  22. Thread: 6th Coil Travel

    by 95shaw
    Replies
    9
    Views
    1,148

    What would a shock extension hurt in this...

    What would a shock extension hurt in this instance?

    Just curious.
  23. Thread: let's chat

    by 95shaw
    Replies
    253
    Views
    17,323

    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
  24. Thread: let's chat

    by 95shaw
    Replies
    253
    Views
    17,323

    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...
  25. Thread: let's chat

    by 95shaw
    Replies
    253
    Views
    17,323

    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...
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