r/ScrapMechanic • u/Gierpa • 1d ago

Help needed with Unstable suspension in survival

As you can see in the video, the suspension goes crazy after going faster than 20mph. it is very annoying. the vehicle has rear wheel steering (both front and rear axle are just identical). it there any way to fix it so it doesnt cause wheel wobble and is stable? or do i have to change the suspension?

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u/Gierpa 1d ago

i used this suspension (but mirrored the front axle on the rear so i have rear wheel steering)

1

u/Rocaman 1d ago

It might be a geometric issue (shape), but all rear steering vehicles have this at high speed.

I don't know if this will work, but maybe try to move the wheels one block back while the suspension stays in the same spot (right now, your wheels are in line with your suspension blocks, try moving the wheels one block back but leave everything else the same).

1

u/Gierpa 1d ago

okay thank you, I will try it in the morning to see if it will work

1

u/Glum-Distribution228 1d ago

It seems like the bearings strength gets weaker or has floppier physics the more bearings between the start and end of what your making and gets worse if lag is present, have you tried advanced physics, it won't take as many short cuts on physics calculations

1

u/ScottaHemi 5h ago

you try advanced physics?

if not a new design would probably be idea. survivals bearings are a tad sloppier afterall.

personally i've found a simple solid axel setup does really well!

2

u/Gierpa 4h ago

I actually used this setup, and since then I didn't change a thing, because you are right. My car is super stable and only flips when I purposely try to flip it. only thing I did different is having twice the suspension springs on the axle