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Railroads (TEST) Rails, Train Wheels, Boggie...

Just a small test to see how far is it possible to go in SE with a train using more realistic way to move than athmos thrusters...

Last changes :
- Added a blueprint for the Bogie so you get a sample of settings (look for starmind / bogie)
- Added curved rails 1 for 90 Left turn + 1 curved junction, its ugly with angles but it's the workaround for no concave support
- Added up / down rails
- Latest setup : 75m/s using speed 100% (power 100 strenght 10%) on propulsion, and adding 5 propulsion (5%/ 5 %) to the stabilizer, with 0 friction on stabs, and the size 100 rails.


!!IMPORTANT!!

RAIL SIZE MATTER!!! so dont use size 1 block on 1 block for copy paste, the gap between 1x1 will kill your speed, use biggest rails when you could!!! If you paste 20 1x1 your train will just "jump" and stuck. Also try to match train main a little smaller than the biggest rail.

Rails size, wheel size will often change to adjust and test behaviour untill the good ratio about size and placement is found, you could loose current block placement / train placement

In order to reduce this side effect, changes will be done on the wheels first, and rails only will have rather shapes updates




1 Straight rails bock (1*1) Avoid using it as it's pain for wheels if too many, use big ones instead
1 Straight rails bock (10*1)
2 curved huge rails bock for left and right (x*x) : under test, maybe it will be needed to make them far bigger at end (bigger loop) and will see if a 1x1 is possible)
2 curved huge rails bock for Up and Down (x*x) : under test, maybe it will be needed to make them far bigger at end (bigger loop) and will see if a 1x1 is possible)
1 standalone rail Large and small (use it as is it or on small grid with rotors so you could turn / angle and use others wheels.


1 Custom suspension (1,5*1) with PROP in name : for speed
2 Custom suspension to stabalize bogie, this will be workaround to physic test untill another method is found, still need tweaks to be usable (1,5*1)
All theses 3 have the "inside" version too in order to include them in bogie

1 bogie, this will offer 2 slots for the 2 suspensions types. Placement inside bogy is rather limited so you should offset the suspensions see screenshots and use the right / left accordingly

1 wheel (steel one and not a normal wheel) for normal speed
1 wheel (steel one and not a normal wheel) for stabilizing

All with basic textures and under tests

1 Bogy blueprint also is included

LARGE

railsL1
railsL1X4
railsL1X10
railsL1X50
railsL100x100curved
railsL100x100curvedpart2
railsL1singleL

SMALL

boggie
wheelV3
boggie_wheelV4
boggie_wheelV4_stabilizer
boggie_wheelV4_stabilizer_vert
boggie_suspension
boggie_suspension_stabilizer
boggie_suspension_stabilizer_inbogie
boggie_suspension_propulsion_inbogie
railsL1singleS





Wheels friction (propulsion only from 30 to 60%
Wheels friction (stabilizer only 0%)

Use a ship to drag and drop a train on the rails
For stabilizer put -30 on align first so you could place the train then go for 0 or even 10 to stick on rails, add strenght like 20 to push

Comments :


with the first set of rails train could move


Curved rails is a difficult and time consuming subject so it will come after all others blocks

Decals and colors will be later.

edit 2 :

Finally i got it working! Not sure if all was needed but settings in blender : 2 rigib body for collision, few space between them, 0 friction on the gard / stab(but obviously friction is not used in export) and both have convex hull. So not sure what new from others tests anyway as no big change.

Now i will fix the "attach" part of rails as one small gap between them make the wheel jump (+- real issue btw)

edit 3 : Use the Bogie now to add the "inside suspensions" 1 for movement called boggie_suspension_propulsion_inbogie and 1 for stability called boggie_suspension_stabilizer_inbogie

see the bogie picture for sample of good placement, an put the suspension big part on UP


- Curved rail to turn right or left
- Up / Down rails
- all textures
- Update the boggie & suspension & wheel model to fight together as 1 block (visual) > use the blueprint for sample

Note : real rails are about at least 40 large block longs... and climbing is max 2.5d

You could also give a try to this save in order to re use setups :
https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/stats/2764556895

Feel free to duplicate this mod if you want to keep saved you tracks (each time i update rails it will wreck or kill several of your built railway) or give a try yourself on this idea. If possible let me know what you found so i could update here.