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  1. top_dog

    Fluid Dynamics

    Yeah, I never realised the piston did so much until I read that. There also a heap on different types of shim stacks, slotted shims and whatnot.
  2. top_dog

    Fluid Dynamics

    The Penske technical manual for adjustable shocks is pretty good too.
  3. top_dog

    Ft william DH v. Moto

    Knighter to win by a long way.
  4. top_dog

    Point 1 Racing Infinite DM stem

    Yeah but the holes were not concentric giving this effect.
  5. top_dog

    Running shock backwards?

    Off topic, but do you work for Tamrock?
  6. top_dog

    fabian barel updates

    According to the latest Atherton podcast she's hurt her shoulder.
  7. top_dog

    New trail/AM bike time!

    Stumpy
  8. top_dog

    K9 Industries DH001-S

    No but the mass transfers rearwards under acceleration. Just like it transfers forwards when you brake.
  9. top_dog

    Orange 224 Sizing

    I'm 5'10" and ride a 15" and it is fine.
  10. top_dog

    (Best) Knee Braces

    Fabien uses a CTi. I'm looking for a brace at the moment, after an ACL reconstruction earlier this year. Re. breaking femurs, for DH I don't think it'd be an issue, but for moto I can see how it could happen. Your ankle can't flex, your knee can't flex, so something has to give; either a bone...
  11. top_dog

    Pushed Boxxer

    **** me, does it even move?:shocked: I'm 155lb and I run 75psi and very, very rarely get full travel.
  12. top_dog

    moto for downhill

    Don't you guys get pinged for riding unregistered bikes on trails? They are pretty strict on it here. The police have WR450Fs and know how to ride them. When you discover you can't outride the cops and have to pull over, they can confiscate your bike.:eek: Most enduro races here require a...
  13. top_dog

    moto for downhill

    I bought a Husqvarna WR125. Its super light, suspension's great and the 125 is quick enough for me. I wouldn't go Husky in your case though, they're pretty tall for a novice rider. Not sure how you say a 4T is the same weight as a 2T? My Husky is 98kg dry, whereas the equivalent WR250F or...
  14. top_dog

    Rims for 4X

    Dunno what Stan's are sorry. 5.1s are too heavy imo. I'm just starting to ride again now. I snapped my ACL clean in two in February, had reconstruction in July, and its all coming together now.:thumb:
  15. top_dog

    Rims for 4X

    DT 4.2D or any other XC rim you prefer. And I'm not sure if any of you dudes talking about hub engagement speed have ever done gate starts. You preload it agains't the gate, so it doesn't matter if its got 16 or 160 points, as long as they don't break.
  16. top_dog

    Carbon coil springs

    There is no pivot as such. They have a flexible member. In that photo it's the flat strip near the gearbox. They have carbon ones now. Heim joints had too much compliance apparently.:weee:
  17. top_dog

    Carbon coil springs

    Torsion bars are for each wheel yes. They are in line with the green things, the pivots of the bell cranks. The coil spring controls the ride height. The anti-roll bar is the carbon tube that the third spring and the pull rods are connected to. I don't know much about the Renault tuned mass...
  18. top_dog

    Carbon coil springs

    The coils are Ti, of which there is usually two per car. The main springs are torsions bars, not sure of their material. A Belleville stack with the required rate and length would weigh a lot, and as was said have some weird ramp up AFAIK.
  19. top_dog

    Carbon coil springs

    I'm all for carbon generally, and can see no reason why this wouldn't work. But there must be a reason why F1 cars still use Ti coils and torsion bars. They have the money, knowledge and freedom to do it, but haven't for some reason.
  20. top_dog

    Michelin 2010

    If that's true these will be the tires to have. Michelin trials tyres are insanely grippy and last forever, even with 30hp going through them.
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