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Hod Carrier posted a topic in LEGO Train TechOne of the questions that pops up here on a fairly regular basis concerns the maximum distance between axles without binding or derailment becoming an issue. On a couple of occasions I have mentioned the Castering Effect and it's possible application to the LEGO railway world. Having raised the possibility I thought I should find out for myself what use it might be and to see whether I could harness this effect and see what it might be made to do. And so I set about building myself some prototype vehicles and a test track and got to work. This is the test vehicle I designed. It's a bit of a "parts bin special" but it does the trick. In the light of the lessons learned the test vehicle design was changed slightly and then retested. There is still much more work to be done with more prototypes and testing, but I'm hoping to come out with some sort of working MOC at the end of this process. I appreciate that there is rarely anything new under the sun and that I'm probably just replicating someone else's work. Comments welcomed as always. **EDIT** By the way, those black boxes are video links.
I have been in a building mood lately and have noticed a few people saying they would like to MOC but don't know where to start (and don't want to mix up the bricks from their sets). The solution to both problems is with the old 'alternate builds' from the 80s:) This great photo is by Flickr user Zoltán Becsei I'm not the first see an opportunity to make a 7760 style shunter using 60052 parts. There is also a particularly excellent one by reinstein here: https://flic.kr/p/9KrZRe but as far as I can tell no one has made a PF shunter only using the parts found in the blue diesel. So, I'm throwing out the challenge, can you make a PF shunter using only the parts found in the blue diesel? This took me about two hours to do and was much cheaper than going to the pub for my Saturday afternoon:) To help people who would like to get into MOCing I have uploaded the in-progress photos of my build into Flickr so you can see the silly mistakes I made and the things that just didn't work along the way. Laughter is positively encouraged. Here are a couple of the progress shots. https://flic.kr/p/w87Z5G So. I'm not exactly happy with the nose... but I can't see another way to do it without raiding my brickstash. Please feel free to post your builds in this thread if you are keen to give it a go.