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About AndyCW

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    Lego, automotive performance, games, RC planes, unmanned aviation


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  1. I use 3d printed parts, non-lego tires, 3s lipo batteries, a Pololu TRex DMC, a Traxas 2.4 GHz radio, and sometimes even my SBrick. I do not alter parts (generally) and I do not use Kragle. I also strive to keep the non-lego parts to a minimum in my MOCs. If I can 'make it happen' with lego, then I'll have no need to resort to non-lego. I'll try numerous iterations of a lego design and only if they have all failed do I look at non-lego solutions. I'm not a purist by any measure, but do understand it.
  2. I love this project. For some reason the body work reminds me of a TVR.
  3. Nice. I appreciate you photography and videography skills. I too think that you could easily increase the speed due to the torque of the xl motor.
  4. Welcome 'Home'
  5. Those numbers mean 265/35/19 = 265 mm wide / 35% of that as sidewall (265 x 0.35 = 92.75) / fitted on a 19 inch wheel 19x9.5 = 19 inch wheel diameter and 9.5 inch wheel width v/r Andy
  6. Here are those hubs with the ball adaptors from 8880. This iteration is far better than V1 and should hold up to a great deal of abuse. Basically the same architecture was used in this MOC. With the ball part installed, I can not separate the wheel adaptor from the hub, but removal of the ball may weaken the structure. After all, the ridge that holds the wheel adaptor to the hub is preventing from deflecting by the presence of the ball. v/r Andy
  7. MRP_, The part that Efferman posted is stronger and has a closer pivot than your concept. I have a pair and they 'get-r-done'!! I've even managed to make a training arm IRS with them. v/r Andy
  8. Looks like your're making progress and learning as you go. We patiently await a video of the performance and ruggedness of the design. v/r Andy
  9. After looking at it again, I'm getting a vibe. v/r Andy
  10. What are your thoughts on the wheels? I trying something similar, but working on 4WD. I like the sway bars. Good luck with school, we'll be here when you get back. v/r Andy
  11. I'm sitting in a bar at an airport laughing at your video and getting funny looks. Amazing! v/r Andy
  12. The top part is mounted in single shear while the bottom is in double shear. The spring would be the part on the right and the axle would to the left. In this example, instead of mounting the spring onto the end of a pin, support both side of the spring mount. This will prevent the spring from slipping off of the end of the pin. Here is a pic of what I am talking about on one of my MOCs. hopefully this clear things up. v/r Andy
  13. The manner in which you mount the springs to the axles will cause issues. They are likely to slide of of the pin. I would recommend putting the 'spring axle mounts' in double shear. It also looks like you will have problems with the 9l links popping off of the balls or the ball pins popping out of their location. They should be trapped. v/r Andy
  14. Four links can come in two varieties. Triangulated and non triangulated. Here is a link to some triangulated four links on a Lego rock crawler. (The pics are too big to post here.) The links are of the 9l type with upper links narrowing on the axle and lower links narrowing on the chassis. Non triangulated four links need panhard bars or a watts linkage to center the axle. The suspension in 9398 is a torque arm suspension.