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Dreadnought Class Heavy-Load Garratt
About this creation
finally got the pictures uploaded. well anyway, Here's the Unusual Railways Dreadnought Class 4-10+4-10-4+4-10-4+10-4. I made this for a friend's railroad, Unusual Railways. this monster is fully able to navigate tracks and because its a Garratt, needs no tender to pull as it is essentially a massive tank engine. This is an older model the only thing newer about it is the boiler. I had to install one as I hadn't gotten around to doing that when I first built it. it does not have PF in it but can easily accept it into the first 2 and last driver sets.



Hear it is resting alongside a Mammoth Boy at the Unusual Railways/ Southern Pacific interchange at Independence, Missouri.

*J.D.'s remarks*
well this is my latest steamer off the locomotive works floor. as I already said it can accept Power Functions with a few modifications. Note: all the engines manufactured at Lima Locomotive Works are for sale to other railroads.


Building instructions
Download building instructions (LEGO Digital Designer)

Comments

  May 3, 2013
I see the new LDD file, I will have a look at it later.
 I made it 
  May 1, 2013
Quoting TF Twitch Considering that there is no LDD file for the J1, I could not tell you. And there is something that I wanted to ask about with this Garratt: with the boiler section being so long and only being supported by the two trucks, how does the main structure hold up? It does seem like there is a bunch of weight on just those two trucks alone.
the boiler has structural supports built into it and the frame under the boiler as well. the middle section rests on the driver sets closer to the middle. EDIT: the J1 now has an lxf file on its page for the long-unupdated LDD file.
  May 1, 2013
Considering that there is no LDD file for the J1, I could not tell you. And there is something that I wanted to ask about with this Garratt: with the boiler section being so long and only being supported by the two trucks, how does the main structure hold up? It does seem like there is a bunch of weight on just those two trucks alone.
 I made it 
  April 30, 2013
Quoting TF Twitch I had to look at the J1 again to see what you meant by the wheel setup. So it only has two sets of powered wheels (the "8" parts), right? Which makes the articulation point is right between the center two axles if I understand you correctly.
yes you are correct. the J1 looks extremely different in rl than the ldd file as the ldd file hasn't been updated.
  April 30, 2013
I had to look at the J1 again to see what you meant by the wheel setup. So it only has two sets of powered wheels (the "8" parts), right? Which makes the articulation point is right between the center two axles if I understand you correctly.
 I made it 
  April 29, 2013
Quoting TF Twitch I made a frame mock up of the F-B-B-F last night, and I see what you mean. I will have to use that in future designs. My wife's 4-8-4 has both flange wheel sets powered in a B-F-B-F configuration. With how the wheel frame is set up I would not be able to power the front axle. This is definitely something to keep in mind for the future. My only question is where would the pivot point be on say a 4-8-8-4 with the F-B-B-F setup?
well on the J1 (which is a 4-8-6-4-8-4) I put the pivots right in the center of the wheelsets for 2 reasons: 1. that's the only place the motors could give equal power to the drivers and 2. it does reduces overhang/underhang quite a bit as well as distributing weight equally.
  April 29, 2013
I made a frame mock up of the F-B-B-F last night, and I see what you mean. I will have to use that in future designs. My wife's 4-8-4 has both flange wheel sets powered in a B-F-B-F configuration. With how the wheel frame is set up I would not be able to power the front axle. This is definitely something to keep in mind for the future. My only question is where would the pivot point be on say a 4-8-8-4 with the F-B-B-F setup?
 I made it 
  April 28, 2013
Quoting TF Twitch So F-B-B-F works that well, even on curves? I guess that it would help eliminate over/under hang.
yes f-b-b-f does work flawlessly but it adds a tiny amount of friction on curves.
  April 28, 2013
So F-B-B-F works that well, even on curves? I guess that it would help eliminate over/under hang.
 I made it 
  April 28, 2013
Quoting TF Twitch Wow, that is one huge Garratt! I have thought about making a huge Garratt, but they are not really my style of locomotive. I would suggest two things. One, the wheels need to be rotated 90 degrees of the other side (minor thing). Two, I would make the 10-driver setup to be blind-flange-blind-flange-blind. I know that setup will work for sure, but I do not know about having two blind wheels in between the flanged wheels. Great work by the way!
ya the wheels were added in a hurry. I know about quartering, I must've not seen that. the j1s drivers are flanged-blind-blind-flanged and they work perfectly. I've used that configuration before. cant wait to see your next model soon
 I like it 
  April 28, 2013
Wow, that is one huge Garratt! I have thought about making a huge Garratt, but they are not really my style of locomotive. I would suggest two things. One, the wheels need to be rotated 90 degrees of the other side (minor thing). Two, I would make the 10-driver setup to be blind-flange-blind-flange-blind. I know that setup will work for sure, but I do not know about having two blind wheels in between the flanged wheels. Great work by the way!
 I made it 
  April 28, 2013
It lives the mighty Dreadnought Lives!!!!!
 
By jd davis
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Added April 17, 2013
 


LEGO models my own creation MOCpages toys shop Dreadnought Class Heavy-Load GarrattTrains


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