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Nick Barrett

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Everything posted by Nick Barrett

  1. Nick Barrett
    The steering links in front of the axle do give the inverse of Ackerman geometry, which is accurate for a high performance car and has been since the '60s. It reduces slip angles at high cornering loads. Lately the idea has percolated down to more ordinary cars, and that is why there's so much low-speed squealing in car parks. There never used to be.
  2. Nick Barrett
    The wheels kind of suit 853... nice. Funny how the older two have aged a lot better!
  3. Nick Barrett
    ^ It is.Although I'd quite like it if the Porsche is the colour of those diggers...
  4. Nick Barrett
    Did Jaguar nick all the double wishbones ?
  5. Nick Barrett
    Don't worry - mine's dustier, and it's wheels look kinda small now....
  6. Nick Barrett
    I seem to have dropped my jaw.
  7. Nick Barrett
    Hmmm... I'd be interested to know if Technic sets have higher or lower APPL values than system sets - I suspect the former and not just because of the accessories you mention. The fact that you can take the pieces of a handful of sets at random and make pretty much what you want with Technic, but not necessarily with System, would seem to bear this out. Designing out the use of a liftarm size you don't have is easier than, say, a missing curved slope piece or window frame.
  8. Nick Barrett
    Start with something small, and build from the inside out. Happy Christmas!
  9. Nick Barrett
    very very nice - impressive packaging there and it seems to go anywhere!
  10. Nick Barrett
    If you like truck suspension maybe it's worth seeking out a Unimog, especially as everyone needs a set of those tyres! You'll enjoy the Arocs as well - a model that works better overall than the 'mog.
  11. Nick Barrett
    Incredible - but then it would be!
  12. Nick Barrett
    Hmmm. I really want the extra $$$$ for this set to pay for an enhanced PF system rather than a licence fee too. Thankfully this batmobile rumour seems like so much hot air.
  13. Nick Barrett
    Yes, those are the ones.
  14. Nick Barrett
    Did you use cardan joints ? One of those and a UJ (better still two CJs) per steered axle reduces play quite a bit.
  15. Nick Barrett
    Having a look at your steering again - pretty sure good old fashioned rack 'n' pinion would solve your problem. Those ball joints introduce a lot of play that's exacerbated by the weight. There is a view of the front axles of mine if you scroll down on the link above if that helps.
  16. Nick Barrett
    Utterly, utterly gorgeous. I like your fusion of new and old Technic, it looks wonderful and it is YOURS. I hear you about the weight - there are ways to make it work. This ( http://www.mocpages.com/moc.php/420995 ) weighs 9kg and is driven by 2 XLs. They do one axle each so you don't have huge torque going through one output, and it's geared to drive quite slowly. Otherwise it wouldn't move at all.... as it is, it doesn't like thick carpets but it does go. Steering works (again slowish) with one L motor - the only failure here involves a cardan joint occasionally popping out under the stress but sometimes something has to give! Does yours work OK if you steer it while it's moving ? That should help a bit. Models of this size are way bigger than PF was designed for so you've done well.
  17. Nick Barrett
    6 : 10 16 : 6 12 : 4 9 : 3 3 : 2 1 : 1
  18. Nick Barrett
    Amazing. Wonderful work, seriously well done!
  19. Nick Barrett
    OK. Like I told Milan, my interpretation had been 'not posted online', but it was shown at an event a few days prior to appearing here so that's that.
  20. Nick Barrett
    Shaping up really well.. nice job getting the pivot point so close to the tyre. You'll probably need to double up on hard shocks. Love the fact it's completely autonomous so far. Still impressed with those beautiful, strong wheels
  21. Nick Barrett
    No, it's intact. Obscured by some bracing, probably. I've not succeeded in breaking any UJs on this. Gears, yes, but not UJs amazingly...
  22. Nick Barrett
    It's fun to see what a kit can do, I like it.
  23. Nick Barrett
    It's a really neat model, seems to work well. Very nice build!
  24. Nick Barrett
    Thanks Erik. The blue one is here http://www.eurobricks.com/forum/index.php?showtopic=106397&hl= The outriggers of the big beast are strong enough, if a bit short. Strength, and the fact that they lock down, was more important than looks in this case. Having a bulky but rigid studded Technic chassis helps a lot here. The boom is raised by a large brick built linear actuator, which works well with an XL motor with conservative gearing - unless it's fully extended when the motor does struggle to lift it. I'll get some more detail pics up soon.
  25. Nick Barrett
    A Model Team skin but a Technic heart
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