![]() Now, a few members of the Eurobricks community cracked the code and are able to create parts in the format LDD uses. For a long time the exact format of the code from the LDD parts was not exactly understood. It has been a long time since Lego Digital Designer (LDD) has been updated with new parts. Hardly what I consider a photograph worthy subject.To keep this topic clean of comments, please request and discuss HEREĪll the undesired posts will be moved to the aforementioned related thread Sorry about the dodgy pictures, they are just taken quickly and resized smaller. These 2 flex locations have not been a problem with the new rings, but were a source of slipping with the old rings unless I was going fast enough. The couple pieces of flex track are the only flex track on the layout now. Using the new o-rings are a huge help, but does cause issues when using flexible track. I do feel a slight difference when pushing by hand around corners and I didn't notice a change in the overall train. I have also moved the livestock cars wheels closer together by 2 studs with little change. We have to watch the Lego spending because what we have spent thus far is embarrassing. The bridge is cobbled together with all kinds colors parts as a prototype and I lack enough remaining Technic pieces to make it all one color. I'm more like 1 brick per one track or so. I'll admit my bridge slope is much steeper than 1 plate every 16 studs. The wheel layout on the 7938 looks about the same as the 51, which didn't have problems with the flex track or the bridge. I can pull this rolling stock with one engine, but I have to increase the speed to 6 for the single engine to make it over. The train can climb the slope on speed 3. I can even stop the train on the slope, and start it again on the slope without problem or wheel slip. The train does run a lot smoother over the layout and is able to climb the slope much better than the stock rings. I have removed the flex track on all but 2 places, and eliminated some of the curves including the one in the picture. I have been able to do 2 plate rise for the 16 stud run but that really depended on the speed I had coming into the incline and what the train was pulling (2 PF motor Maersk). If you can avoid using technics axles and use the metal ones that will help.įor inclines I have been told to keep the rise as 1 plate for 16 studs run. The type of non powered axles in the engine and rolling stock also has an effect on resistance. Also if you do stay with flex track, keep the radii of the turns as wide as possible. Try to space out the curves as much as possible but that limits the designs you can have and forces you to have much more straight track than curves. If your train is in multiple curves at the same time it increases the resistance on the engine. The length of the train and the number of curves the train is in will also affect the slippage of the wheels. I will add my voice to try to avoid flex track, the only train I have found that can run on flex track is the 2010 Red Passenger Train (7938). Here, the trains pass by every 20-30 minutes all day & night. Just got stuck by 2 trains on the way to get a late lunch, and just missed a train by 30 seconds when coming home. I *just* swapped to a one facing backward setup and it still works ok, but looks more like the trains I see passing through with 2 engines. I'll be giving that a shot too.The lame train in question: The local hardware store has them in stock and I'll pick some up today and see how it works.ĭr_spock, didnt see your post when typing mine and gathering information. While the wheels are ok for the standard rolling stock on regular rails, they seem to slip a lot on a train with custom stock.ĭavidzq & Rail Co thanks for the info about the o-rings. I may try actually moving the receiver and putting the battery box directly over the powered wheels. What is that track you have on the inside?ĭutchiedoughnut, the wheels are sort of under the battery box per instructions. I also agree that the design is indeed strange and thought they looked really weird when I actually had them in hand. Therize, oh yea and its even worse on the flex tracks especially on any kind of a slope. With both engines on a single train with all my rolling stock, the train has to be on speed 4 to go over the bridge. The 51 can go over it at a lower speed than the loaded 52. I had added another level of difficulty for our trains by creating a 48 stud long truss bridge that has an elevation of 4 blocks.
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