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Everything posted by trekman

  1. That is a very interesting design for a potato harvester. From what I understand, the "potatoes" are normally collected on the top of the belt. with soil being riddled away as they progress towards the trailer. I realise that it is very difficult to have a harvester working in the authentic manner because there is a blade which is normally working under the ground level and will bring the potatoes up and unto the riddle conveyer. I also was working on a harvester, but could not successfully get the potatoes to travel unto the belt. However you have done nice on the steering rear axle of the harvester. Well done!
  2. I would just be curious to see the condition of the beams used, as I suspect that the holes used will wear out prematurely. However it is a great execution of a concept, using many lego parts, including motors.
  3. Sweet ride. I really liked the kneeling mechanism for the steering.
  4. trekman

    [moc] rc/manual plum picker

    I think this is great work and it is more advanced than I first realised. Obviously the combinations of the new rotary gearbox selectors have something to do with it. It is well put together and nice to see one of the old school 24T crown gears making an appearance!
  5. trekman

    Instructions: Paper vs. Digital

    Having built some models only from a digital format, using an A5 sized tablet, I have found that it is much easier to miss a step, as some instructions continue unto another page, and you end up having to scroll back and forward much more. In a new set, the instruction book is part of the experience. There is the visual size of the book, and the understanding of how far you have progressed in the book. Just like the downsizing of every commodity nowadays, if they do remove the printed booklets, it will likely not be reflected in the price. I also think that Lego know that many parents purchase sets for the "Screen free time" which Lego generally brings. One positive on the digital media is that, if like me, you have loads of parts, then quite often you can build official models without having to buy a new set.
  6. Very nice work. I like the way that you were able to get the front lift controlled from the top of the cab. Very clean lines, with the yellow stripe being an important detail.
  7. i think you are to be admired for the work that you put into the roller coaster. Not everyone is as honest to confess a failure, and then to post it on this forum. Yes the help is here, and it will only take a comment that could trigger a thought which will generate the solution for a future roller coaster build.
  8. trekman

    Technic 2H2019 Video Reviews

    That looks like a nice set. It is one of those sets where you need to apply the stickers to help the appearance of the truck. Thanks Sariel for an informative review.
  9. A very nice clean looking trailer. It certainly complements your range of tractors.
  10. A very nice clean and tidy build, with the proper linkage. Well done.
  11. trekman

    Volvo L120H scale 1:17

    A nice clean looking model. I like your creativity with the operator.
  12. trekman

    [MOC] RC Telescopic excavator

    Nice build, but I pity the guy who has to climb down into the pit to open or close the bucket! Given the fact that you were already using a cord on the lift, you might have been able to create a pulley line that would have operated the bucket. Failing that, access to a micro motor would have operated the bucket. Alternatively using a red 8T gear would have allowed an axel to slide on that extending boom, transferring power to the bucket. I would challenge you to consider some of these options, which are of more practical nature than a powered operator's door. However, it is still an interesting build.
  13. Well, I do admire your ambition. But I would say that it will be very difficult driving those rear wheels unless you use some sort of final reduction in the hub. A typical axel coming from a differential will be subject to twisting from an XL motor, due to the turning diameter and momentum needed. As a push along model you will have no problem. Have you ever thought about why LEGO do not use wheels of this size? As has been pointed out, you will need to drive from a central differential due to the variation in wheel size. Also have you ever thought about having it front wheel drive only? As if you are having a loader on the tractor, then traction at the front end would not be a problem. Finally, your front linkage top link needs to be reworked, as it will just pull apart under load. Of course I would love to be proved wrong in all these issues. I suppose we are all learning. Happy New Year
  14. The whole model looks good except for the white pin connector on the landing skid. They could have used an additional black 3 long straight connector, just like at the end of the skid, and used a 2long axle to connect to the front bend, and then a shorter axle instead of the 10 long axle used. But I suppose this has to do with part count and warehouse logistics.... Nice Review, but I wont be buying the model.
  15. The first two photos of the Mack Anthem Lego model actually caught me out, as with the scenery and sunlight etc, I did not realise that this was the Lego model. Some really nice photos here. Well done.
  16. trekman

    [MOC] Pendulum Waves

    This is the best bit of "Lego Therapy" I have seen for a long time. The project is very well thought out.
  17. trekman

    [MOC] Grapple Truck I6

    Despite having a powered rotation, why did you put it in neutral and manually swing the arm when holding the apple?
  18. Really nice looking Scissor Lift. I have one, so I know a little about them. Many of the smaller ones can fit through a standard door frame. The smaller ones are electric/battery powered and the drive wheels are the steering wheels, which can handle an even tighter steering lock than what is available on your model. I am curious though, is it camera distortion or some major stress on components in your video at 2.28? I do realise that there are major stresses on the mechanism of the real one, especially for the first few metres of the lift. Well done anyway.
  19. trekman

    Beamless Chassis Design?

    Without the beams, I think you would have a lot of kids who would never finish a model. The build would become so tedious that they would just give up.
  20. 90% or more, it still is very impressive. I think those people have been thinking outside of the box[brick] in many of their solutions. Full credit has to go to the human resources and training teams at Lego, as they have sourced some incredibly able builders and engineers. I think this is a massive promotional lift for Lego Technic, and brings a dynamic form of building into the public arena. It is a great improvement over the previously brick built life size models previously seen.
  21. trekman

    Technic Prototype Parts

    I would say that if we went down the route of having no middle stop in the pins, and imagine Lego adopting it, think of all the problems that it would also generate. As previously mentioned, pins could be slightly out of place, causing trouble for the first-time child technic builders, but also we could end up pushing a pin into the belly of a machine, into a gearbox for example, resulting in a major strip down to retrieve it. A life without boundaries is not always the answer, stick with the middle stop and plan your builds better!
  22. I present to you a project which has been sitting completed for some time now. The need for its parts has prompted the video below, before the machine is dismantled. Now before anyone gets too excited, this is a very rough representation of the actual machine. My main focus was on getting power transferred efficiently from a buggy motor to the side mowers, and also permitting the range of movements that are required. This would normally be accomplished with high tension belts, but I had to opt for a continuous driveline with minimum bevel gears, and maintain high efficiency. The pneumatics are pressure controlled through a switch, and facilitate the variable ground clearance on the front axle, as well as the lowering and raising of the side mowers. The batteries were a little depleted at the time of filming. All other functions are described below. Pneumatic compressor - M motor Front mower lift - M motor Front mower operation - M Motor Side mower operation - Buggy motor Mower switch on/off - Micro motor through pole reverser switches Steering - M Motor Drive - 2 XL Motors 2 PF Battery boxes are used, and three PF receivers Enjoy! I would welcome your comments.
  23. Presently I did not have many lime panels. What I had was the metallic green from 8466. I just had to work the panels in where I could. I think we have to look beyond the panel colours, as some builders like myself don't have a full palette of colours or sizes. The pneumatics operated rather fast due to the build up of pressure in the tanks. The operator did not ease the valve slow enough. I was just so glad that the machine was very reliable throughout, as the buggy motor is deeply positioned in the belly of the machine and would have been difficult to access.
  24. trekman

    Honda Africa Twin

    Could do with some Lego flex system parts there.
  25. trekman

    Axle colour - which would you prefer?

    I was brought up on the 2L, 4L, 5L, 8L, 10L and 12L axles, all of which were black, and the 2L had no notches! The 3L and 5L came in black, before the odd numbered revolution in LBG. I welcomed the grey colour and even the red 2L, as by looking at a model for a partial strip down, you knew what length each part was, and more lately what each part in a pin hole was. Where possible I do like to co-ordinate the colours on a driveline, or in an ancillary function, and the various colours allows for this to a point. Those tan 4L axles will save significant wear when used with the red 16T clutch wheels, minimising DUST.