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Vehicle (Car) suspension help

Archive: 5 posts


Hello
I need help with suspension for my car. I tried everything, but nothing seems to work. The spring is just stupid, I cant make a minimum lenght and when I let my car fall, it doesnt do anything and my "suspension" brakes. I heard of a piston suspension, but I have no idea how it works. Please, could someone give detailed tutorial for making simple suspension?
I tried the CVTRBU's (Or what is his name) tutorial, but I didnt get many parts.
2012-07-25 12:54:00

Author:
Silvantor
Posts: 141


From an older thread -

There are 3 rules I follow when trying to set up my simple suspension -
1) Springs should be at 100% strength, but not set to be stiff.
2) Use a Piston with 0% strength, that is stiff, to limit how far the wheel can move to and from the vehicles body. Pistons seem more reliable at remaining stiff than Springs. If issues persist, using more than 1 Piston can help.
3) Most important rule, and something that will likely benefit you elsewhere in level building -
All connectors are stronger or weaker based on the material types they're connected to.
Build your vehicles body from cardboard so it can be as lightweight as possible, but have the pieces of material the wheels and springs are attached to made out of a stronger material like stone, wood or metal. Wood is likely the best way to go as it's not quite so heavy, but it is indestructable all the same.
To test out this certain-materials-are-stronger-than-others deal for yourself, try taking a vehicle with working suspension and turning the wood/metal/stone parts into cardboard, and watch it hit the ground when you test it out.

For the sake of explaining things a little further, regarding connector strengths -

Light material body + Light material suspension = floppy, easily broken.
Light material body + Heavy material suspension = Best setup to go for.
Heavy material body + Heavy material suspension = Too much weight, and will likely break.

This ought to cover what you're asking.
2012-07-25 13:41:00

Author:
Ostler5000
Posts: 1017


Man thanks! This actually works, but needs a little tweaking. Really, thank you!
Also, how do I make pistons not move? I mean whe not suspensing, my car's forward is just going slightly up and down. And, my wheels are going from vertical to any other position. It touches the car body then.
2012-07-25 14:27:00

Author:
Silvantor
Posts: 141


Man thanks! This actually works, but needs a little tweaking. Really, thank you!
Also, how do I make pistons not move? I mean whe not suspensing, my car's forward is just going slightly up and down. And, my wheels are going from vertical to any other position. It touches the car body then.

You have remembered to set the Piston to 0% strength, right? If the vehicle is rocking by itself then the Piston must still have some movement power.
When Pistons have 0% strength, they just slide up and down, limply.

If you mean you're having an issue with Pistons breaking out to the left and right, then there's not too much that can be done, other than using another Piston. If you're using multiple pistons, be sure to use the Grid, otherwise 2 Stiff Pistons will be competing against each other, rather than working together to keep the suspension straight.
2012-07-25 17:15:00

Author:
Ostler5000
Posts: 1017


I made this:
http://i1.lbp.me/img/ft/6d13b8766d8807f9ed8fa4934f0f3a76baae0b0e.jpg
2012-07-25 17:29:00

Author:
Silvantor
Posts: 141


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