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#1

Stiff Pistons....don't go against gravity?

Archive: 5 posts


So i was trying to make a 4 way switch.... and when I connect a piston to another object that was connected to a piston... suddenly the laws of gravity come in.

I have a cardboard object connected to dark matter object with a stiff pistion.
I then connect a another cardboard object (same size) to the first cardboard object.
Then the cardboard object 2 just starts falling down.... even though the piston is stiff!

.................piston........................... .piston
[Dark ]---------[Cardboard Object1]--------[Cardboard Object2]
[Matter]

I think it's because the 1st cardboard object isn't strong enough to hold up the 2nd cardboard object.

Is this normal? I swear when you make a piston stiff the laws of gravity don't count anymore....
2009-09-18 13:32:00

Author:
snowyjoe
Posts: 509


It has nothing to do with the stiffness of your piston


bear in mind the effective strength of a connector is a bizzare mixture of:

strength setting (well duh)
Length
Timing
Relative weight of the objects at either end of the connector


So stronger -> more
Shorter -> more
Lower time -> more
Light object on the moving end - > more
Heavy object stationary end -> more


Once you get pistons linked in series then you hit a real world of pain due to point #4, as the ratio becomes smaller.

See point 4 in that list. The effective strength of the piston is greatly reduced by the object that it is attached to. Try making the middle piece out of wood or stone
2009-09-18 13:39:00

Author:
rtm223
Posts: 6497


Ah! got it thanks!2009-09-18 13:49:00

Author:
snowyjoe
Posts: 509


Based on this, since it still uses physics, I would put a support of dark matter underneath to hold it. I've had things break over time by directly having horizontal pistons holding other materials unsupported.2009-09-18 13:56:00

Author:
CCubbage
Posts: 4430


The real problem comes in when it's a vehicle / moving object you're making, then you can't rely on the infinite strength of dark matter.2009-09-18 21:46:00

Author:
croissantbuncake
Posts: 572


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