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Ngoc Nguyen

Eurobricks Grand Dukes
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Everything posted by Ngoc Nguyen

  1. It still amazes me how no photo of this set has managed to get to the Internet so far, esp given that a few people might have a copy in their hands already.
  2. If Jim's 42137 & 42138 reviews are his last for this year, who's gonna review this set?
  3. The ratchet mechanism is designed like this
  4. Ever since this happened, I've been troubled by it. If the direct output from the L motor can't steer the 42124, then it can't steer the 42129. I have already posted a 42129 L-motor steering mod on Rebrickable, and I don't want to post something that doesn't work. After some tinkering I've finally found a solution. I replaced the L motor with the M motor to save space, and let the output goes through a 12-20 gear mesh and a linear clutch. It should have enough power to steer the model then. If it turns out to be not enough, the gearing can be replaced with a 8-24 one. I've changed the L-motor steer mod on Rebrickable into the M-motor steer mod and updated other stuff accordingly. https://rebrickable.com/mocs/MOC-84984/nguyengiangoc/42129-pf-conversion-m-motor-steer/#details
  5. Sariel's review will be available any time today.
  6. According to the leak in October, this set should be available for the January wave, but since it has not been revealed like other sets in the same wave have, I think it's either moved to the March wave, or next year's lineup. It doesn't have anything to do with military so it's probably not canceled. This isn't the first time a set is moved. The Airport Rescue Vehicle was initially planned to be released in 1H 2016, but was moved to 2H 2017 instead due to concerns about sales cannibalism.
  7. Here's the Studio model for 42126, with custom spiky tires sponsored by @Void_S https://bricksafe.com/files/nguyengiangoc/42126.io Check the link.
  8. https://www.jb-spielwaren.de/lego-42132-chopper/a-42132/ 162 elements, 9.99 EUR with B model. Go erm nuts?
  9. El Toro Loco: B model is a nice hot rod, with teeth as cylinders.
  10. There is indeed a lot of rolling resistance, for some reasons I still can't understand. The resistance felt when the model goes backward is more than that when it goes forward.
  11. I'm going to make a Studio model of this set in the next 2-3 weeks and share it here so that you guys can mod it to your heart's content.
  12. 10 more days til we get to see this bad boy!
  13. I got my set today and found out that both the instruction and the sticker sheet are buried unprotected among the bags and thus slightly folded and bent. It makes me wonder what kind of 18+ set this is
  14. The best way is to go full PF
  15. Thanks to efferman I now have the part for the new link. I've put it into the Studio model and updated the link. You can get it here. https://bricksafe.com/files/nguyengiangoc/42131.io
  16. The pins seem to be slightly bent toward one side instead of being straight. I bought 2 42128 and 1 42129 and they all have pins like that.
  17. Wow thanks for the information! Since now I put the motors further in the center I can add more reduction if needed.
  18. I wasn't quite happy with the first PF conversion mod I made, because of a few things: - I wasn't sure if the motors will be able to drive the machine. In the design, the two L motors are used for propulsion, and they are connected through one 12/20 meshing and the planetary hub which has a gear ration of 1/5.4, so the final ratio is 0.11 or 1/9. The motors have to move not only the model but also a V12 motor through a long drivetrain. Since I don't have the set to test it with me, I can't know if my design is adequate. - The motor-receiver mapping is not optimal. The design uses 7 motors and 4 IR receivers and is controlled through the good old PF IR controller, so the optimal design to me should be: 2 motors for drive in 1 channel, 2 motors for blade in 1 channel, 2 motors for ripper in 1 channel, and 1 motor for ladder in the last channel. I wasn't able to achieve that. The main reason is that the motor for the ladder lies too close to a receiver that already controls one function of the ripper and can only be connected to it So I went back and after several attempts I managed to solve those two problems: - I put the L motors for drive further into the center and manage to get another gear-down meshing. So the drive from the motor to the sprocket now goes through 16/20 x 12/20 x 1/5.4, which is 0.08 or 1/11.25. Hopefully this should be enough. - I simplified the drivetrain to the ladder and put one motor directly under the seat, so it can now connect to its own receiver in the back. The gearbox is also redesigned so that the two motors for the blade will now connect to a receiver on the right, and the two motors for the ripper will connect to a receiver on the left. The model now uses 6 L motors and 1 M motor. The M motor is used to drive the ladder, and it was chosen instead of the 7th L motor is that the M motor is smaller and thus fits into the space under the seat. The new instruction and new part list have been uploaded to the same Rebrickable link: https://rebrickable.com/mocs/MOC-92919/nguyengiangoc/42131-pf-conversion/ I also got a deal to buy a 42131 with no electronics for 300 EUR. I'm thinking about it.
  19. I barely hear any accent from your pronunciations, except the frequent "s" substitution for the "th" sound, like /sree/ for 3.
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