Karle
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A very impressive model.
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Try using 1- or 2-hole Tecknic bricks for your journal boxes and plates for the upper and lower frame rails. American building practice used open frames not solid plates. The T-bricks will allow you to get very close to the axle spacing your looking for.
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How strong does my motor setup need to be for this train??
Karle replied to The Lego Railway Series's topic in LEGO Train Tech
If I'm looking at this correctly, this set up will not work. One motor will have to be turn in the opposite direction of the other and they cannot be cross linked. I've not used PU motors, but a PF motor is powerful enough to damage gears if there is a bind. Traction is the biggest problem with plastic wheels on plastic track. -
Train stuff on Ideas getting approved? Forget it!
Karle replied to Tube Map Central's topic in LEGO Train Tech
And that is why, when asked if I build Lego trains, I tell them No I build trains with Legos. I have a Dream that one day Lego will come out with the couplers without the bumpers. On that day I can finally quit circumcising mine. -
Try Scigrip Acrylic cement, I've used it on TB's turn outs and other ABS plastics without Issues. I prefer the 1.5 oz. tube for better control, but they do make larger tubes. I get mine locally from Tape Plastics, but Amazon carries it.
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I suggest down loading the wheel chart from Brick Train Depot. This will give you an idea of what sizes and styles of wheels are available. For spoked drivers, Big Bens Bricks are very good, injection molded wheels. Brick Train Depot wheels are 3D printed but look like they are injection molded, the finish and fit are that good. They are pricy but the selection is very good as far as size, style( spoked, boxpoc, or plate) and counter weight sizes (sm, med, large, very large). Shupp's Train wheels are 3D printed and the designs are great. Unfortunately, the company that printed them, Shapeways, did such an indifferent job that I stopped buying them. These are the wheels that would not fit Lego axles without extensive reworking and refinishing. Hope this helps.
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Conjunction Junction, what's your function? - real world MOCs (finished 9/24/21)
Karle replied to Murdoch17's topic in LEGO Train Tech
Good luck! T hat song is still burned into my memory -
LEGO Ideas: Classic US Truck RC
Karle replied to Sariel's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
It looks good, I'd buy one. What is the scale of the model? -
Gave them to a LUG member with young children and a tight budget. The tightest radius track I now own is 102R.
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Check out Brick Train Depot or OK Brickworks. Good selection of spoked, boxpok drivers and plate wheels.
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Also check out OK Brick Works for both custom stickers and 3d printed wheels. They are printing wheel sizes and styles that no one else makes. As Far as side rods , valve gear and ladders I make my own.
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What is the best flange arrangement for 8 and 10-coupled locomotives?
Karle replied to SteamSewnEmpire's topic in LEGO Train Tech
I've built several 8 and 10 coupled steam engines. I prefer to have the flanges on the first and last drivers, the reason is to reduce the amount of over hang in the curves. I should note that the motors are mounted in the boiler and the minimum radius they will negotiate is 104R. -
Texas Midwestern Lines Experimental Prototype Class J-1
Karle replied to High_Admiral's topic in LEGO Train Tech
Actually what you've built is a modified version of a Southern Pacific AC-9 (Articulated Consolidation- class 9). If you want to stick with the SP theme it would be designated as an AC-13. -
[MOC] John Deere 75G Excavator
Karle replied to LegoMathijs's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
It is a very eye catching model, nice job. I've not heard the term "Model Team style" before, would you explain what you mean? -
[MOC] 1:17 Peterbilt 389 with tilting dump trailer
Karle replied to motomatt's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Very nice indeed! It appears that some of your improvements can also be applied to the tri-axle Pete as. How did you mod the battery box to hold 8 batteries? I've already added this to my build list.