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efferman

Eurobricks Grand Dukes
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Everything posted by efferman

  1. efferman
    no sir, in real life it works properly, only the limited functionality of ldd is a problem
  2. efferman
    honorable scotsman, thank you very much for your advice, but please read
  3. efferman
    this is what i have used
  4. efferman
    thank you very much for your service, but i want be able to do it myself. but here it is in meanwhile i have found something, what is working acceptable. the only problem is that my LAs should be between 2,25 and 2,50, so i must use axles instead of pins.
  5. efferman
    i have a little problem, can me someone explain how i can retract the linear actuators to fit them in their holes?
  6. efferman
    yes, i have roundabout 15 batteryboxes and many many PF-M. that is absolutely too much, because i dont want use so many of them. when i look at your sketch with the turning circle, it looks that i will have big differencies in wheelspeed between the multiple axles. so i have to make good decission by planning the differentials to get no rubbing wheels. again i see the need to build the whole chassis in real because i want that it works good enough for other people.
  7. efferman
    @ too expensive tires are tires and dont need something else, but every four PF-L you need (in best case) an receiver and a battery box. saberwing 40ks ldd model had 14 PF-L. so there would be need to buy electrics for roundabout 350 euros (batteries and connection problems not included. so i will go a more efficent way and use 2 XL @ackermann the difference should be enough to get a proper ackermann geometry at the second axle. the insane is, to find out if it is correct i have to build the whole chassis. damn, this should be an ldd project, but this is the only way to make it work fine. by the way, the second axle on the left side is made in LDD
  8. efferman
    sure i will upload some ldd files of core solutions and the full truck
  9. efferman
    i will do it, but i will use the ldd because i would need the tires of my unimog. and sorry, this is absolutely not an option this axle pair i have only built to check the function
  10. efferman
    you should use silicon oil. mineralic oil damages the plastics
  11. efferman
    i think we need pictures to solve this problem
  12. efferman
    i think i have a good working steering system
  13. efferman
    a gear is moving in two directions. one side to the left and the oposite side to the right side. if you now use two gear racks like on the pictures, and slide the gear from the first rack to the second rack it will change the direction of the steering rack.
  14. efferman
    surely you can ask, but first i have to rebuild it. tomorrow i can show you the pictures of the concept edit: a simplyfied concept, without backlash, and no syncronizing problems and when the switch is in center the steering is locked to prevent hyjacking of the car is something like this possible in your model?
  15. efferman
    no, with my final solution i did not have a backlash.
  16. efferman
    so you should use sliding axles. while i have experimented with this chassis i have tried many possibilitys and this was the only which had worked properly
  17. efferman
    you want do something like this?
  18. efferman
    before you think about a steering system you should think about a more stable axle. your construction is a little bit more than weak the gears are not properly reinforced, the universal joint must hold the PF-L the wheels and their crossaxles are only hold by the 12 tooth bevel gears in the diff, and the whole axle is not flexible. on the picture i have reinforced the connection between turntable and 5to11 liftarm. the 5to3 liftarms are only secured by one pin and the axle through the torque tube part. and with 1:2,334 the gear ratio is too fast for a vehicle like this edit: my version i have moved the motor to the chassis because so much L motors are too expensive for a real model ETF HTX-380 Mining Truck von efferman auf Flickr
  19. efferman
    i have found today some 1,55" tires with an outer diameter of 74mm RC4WD Dirt Grabber 1.55" All Terrain Truck tires the pattern is more street legal, but maybe it is what you search for
  20. efferman
    your focus was on the functions?
  21. efferman
    because i had the suggestion to make an thread inventory i have made one in the first post
  22. efferman
    i have made a LDD model and the total partcount with replacement parts is 80, with cylinders 72. unfortunately i didnt find the small pneumatic cylinders, so i have choosed green parts to replace them http://www.brickshelf.com/gallery/efferman/ideas/pneumatic-rotator/drehkopfgreifer.lxf here are some pictures 100_9947 von efferman auf Flickr
  23. efferman
    thank you very much for making instructions of my C model.
  24. efferman
  25. efferman
    i can test it if you want where is the file?
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