896gerard
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Everything posted by 896gerard
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Yes, it looks simple, but like all things that look simple also this design required a lot of thinking. No, it is not my idea to 3D print it on a massive scale. it should be done by the Lego Group. -
That happens by definition, when the turntable makes one rotation and the drive axles are at standstill, the two drive axles that go through the 16t gears have to make one rotation too. However, if the drive axle is slowed down enough, the effect of one rotation is barely noticeable, as you can see with the crane.
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Only two axles through a Lego turntable (the 48452cx1) has always irritated the more experienced Technic builders, stimulating them to work out many different solutions. Actually, some really clever solutions have been found, but most of them cause too much friction or require too much space. I have succesfully tried to do an attempt too, thanks to 3D printing and a good friend, he designed the CAD model of my solution. I can say that my solution has low friction and consumes much less space in comparison to the existing solutions. More of the story and some more pictures can be found at http://mocpages.com/moc.php/419288 I have made an elaborate video about the problem and the process, but I think it will be 6 well-spent minutes. At the end of the video, there is another big surprise... Something that never was possible, is possible with the new parts! http://youtu.be/1OsSGkDsgXs To get a better idea of the part, you can find some photos here: All photo's can be found on: http://mocpages.com/moc.php/419288 in a higher resolution. The CAD drawing assembly: This design is extenable to bigger versions, I think that up to 5 or 6 axles would fit through the turntable. The only problem is connecting all gears in a robust way: to 'get to the gears', the outer gears have to get a bigger diameter and the problem of space-consumivity is back. I found that the three axle design really was a good optimization between robustness, way of accessing the gears and maximum transported torque through them. It is my hope that the Lego group takes over this idea and starts producing it, because especially the three-axle option ore the two-axles through the small turntable could be very useful in an upcoming Lego flagship. So, if you happen know someone at the Lego Technic department, please give him/her a good impression of the idea!
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This is Schuitemakers unique 'trailing pickup' system. This means that the lower rotor is behind the upper rotor. ALL other forage wagons have the 'pushing pickup' system. This means that the lower rotor is in front of the upper rotor. In the 'pushing pickup' system, you are right on the lower rotor: that would change direction. But on the trailing pickup design: the lower rotor pushes it up (this happens only when it spins backwards), the upper rotor picks it up exactly where the lower rotor would loose it and takes the grass further up. This may sound complex, and I can confirm that it is complex. Building a working forage wagon has always been the 'mission impossible' of my Lego Technic building career just because of this difficult pickup.
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To you and to everyone else who reads this: if you want it in the HoF, maybe you could post a notification here: http://www.eurobricks.com/forum/index.php?showtopic=91972.
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I used the rotate tool from SR 3D builder and a screen recorder program.
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The Luctor is back! And it's back with a bang hitched to it. A €600, 2.5kg, 2500pcs, one year build-time bang. And the video is on YouTube. Check out a more elaborate review on http://www.mocpages....moc.php/414168. To give you a hint: this is the first ever forage wagon made out of Lego bricks that can actually pick up grass and dispose it when the cargo is full. It took over one year to build, the pickup system for the grass alone cost me a full-time week! A picture says more than a thousand words, click here to see them all on brickshelf: http://www.brickshel...ry.cgi?f=556822 Watch the video here: More about the Luctor itself (this video has already sometime ago been posted here)
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That is an amazing fit! It really is a 'fit' because I have built this jeep without using any car images or brands. It is just a 'design by me', a way of building Lego I like very much because it gives freedom to build. It is a more difficult way, because you've got no idea how it should look like (when building a model, you do know) so it's a trial and error process (and off course, experience comes in handy...).
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I have done tests with balloon tires, but the torque was insufficient and they hit the bodywork all time. Also, they made the car look very small. Therefore, if balloon tires have to be mounted, the model should be changed completely. Yes, it indeed looks like a boat but that looks nice.
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I have built a lightweight 4x4 car that also performs quite well on hills. 50 degree hills, actually. It has been optimized for weight. It is driven by 2L motors, steered by one M-motor and powered by the 8878 battery. I have added an extensive review on http://www.mocpages.com/moc.php/400971, so if you have a question maybe the answer is there.
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Hi guys! My latest creation is this mud racer. It was not designed to be art, but to have fun. Therefore the frame and bodywork was kept very light and it has the light 8878 accu. This added up to a weight of just 600 grams! The steering happens by an PF m-motor because the servo motor was too slow for the speed this racer evolved. The front axle is pendular to keep the rear wheels always on the ground, this was vital for driving in grass, stones and mud. The rear axle has a differential - but not always. Watch the video for details. Read the full review on: http://www.mocpages.com/moc.php/398114 to see photos of the drivetrain or watch the video below. I have personally learnt much from this great little car, you can expect more soon.
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896gerard Lego creations
896gerard replied to 896gerard's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
They can be lifted up by changing one gear on either side, just before the rear wheels. The reason why I pushed them down is to allow for wider loads. On MocPages, a review can be found on this, the link is mentioned before. Thank you for posting it... I am relatively new to Eurobricks but I have a long MocPages history. Soon, you will be in for a big surprise... the same reason why I have not posted a Lego video on YouTube from January. All I will reveal now is that the Luctor will be presented here at some time... -
Hello, I am 896gerard, a passionate Technic builder. I would like to extend my activities to Eurobricks. Youtube channel: https://www.youtube....X_uErOTcGpZg8Ug MocPage: http://mocpages.com/home.php/52513. One of my new creations is the Ultra low cargo bed truck. I have not found this model in reality, so I built it. The complete review is on http://mocpages.com/moc.php/396635 and the video is below. Another creation is The Easiest Parking Car In The World: this is my own genuine idea, maybe some others have had the same idea right now... The review can be found on the given Mocpages address. You may always reply if you don't like it, my MOCs will probably get better of it.
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Hi, I am the builder of this and I'm surprised to find it here. Thank you for all the comments. I have no estimate of the part count but the whole model (including expensive orange parts) is worth around €900. Kind regards, 896gerard P.S. Check the review out here: http://mocpages.com/moc.php/377202
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Linear actuator in LDD
896gerard replied to morson1's topic in Digital LEGO: Tools, Techniques, and Projects
Thank you, very handy!