Prismatic Constraints make my plane shake

Help and Feedback Building Support
#1

I’m trying to make suspensions for a plane, but the prismatic constraints seem to do not like the idea.
I’m sure it has nothing to do with collisions, nor spring constraints (i’ve disabled springs and made sure nothing collided).
I’ve also noticed that if I set everything to be massless, I get no problems, but I need everything to have a mass, so massless isn’t an option.
Thanks in advance

P.S. every prismatic constraint is without limits and without an actuatortype, changing those doesn’t lead to anything

2 Likes
#2

I would move this to building support. Also what is the plane resting on when it jitters?

#3

Ok i’ll move it. The plane rests on the tires and on the invisible baseplate

1 Like
#4

Found out that increasing the gears mass works, but I have now to deal with spring proprieties to make it stable

2 Likes
#5

Yes increase the maxforce of the springs, it will take some tweaking. I believe you will also need to increase the mass of the tires if im not mistaken.

#6

Multiple Constraints on assemblies have had issues for me too. Especially HingeConstraints which seem to bounce even with very high Force values.

I’ve heard that setting Constraint Forces to inf may be a part of the issue, try setting them to a high level that shows as a number instead of inf.

Another thing is to make sure all the components in the assembly have the same Density. Massless items or very low Density attached to items with high Density can cause physics problems.