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[ein]

Doubt I'll use clone, but that acid+gunpowder seems to work pretty well.
Acid+L.Rubidium also seems pretty powerful.

[breadbocks]

Doubt I'll use clone, but that acid+gunpowder seems to work pretty well.
Acid+L.Rubidium also seems pretty powerful.

You'll need a clone at some point, if you want it to keep going. Also, have you tried coal+fire?

[ein]

It's a bomb.
I need to heat the water quickly for it to hold much power when it leaves the outer shell as steam.

[breadbocks]

POWDERTOY CHALLENGE:

Get a particle in stable orbit around a black hole.

Bonus points if the particle is initially accelerated by a gun or explosion.

Run Galactic Gravity Sim and be amazed.

[Argembarger]

WHY DOES SALT TURN INTO LAVA WHEN PRESSURIZED. WHAT IS THIS I DON'T EVEN...

Run Galactic Gravity Sim and be amazed.

This?

[Akura]

WHY DOES SALT TURN INTO LAVA WHEN PRESSURIZED. WHAT IS THIS I DON'T EVEN...

It didn't for me. It does lava-ize at 900°C, but nothing happened even at max pressure.

[breadbocks]

Run Galactic Gravity Sim and be amazed.

This?

Yup. Never touches BH at the end.

[Akura]

Been playing with the rocket design a little more.

Spoiler (click to show/hide)

I think it's more of a mortar, though, since most of the supposed propulsive force comes right from the start as opposed to a rocket, which flies full force all the way. The stuff in the "neck" part of it is glow, for tracer effect or something.

[Draco18s]

Try breaking up your fuel with something like coal.  One or two pixels of it will burn without providing thrust, but it would delay the next packet of fuel from exploding until after the coal burns through, as well as burning fairly quickly.  So you should get a series of lower-power thrust bursts, which would be as close as you can get.  Powder Toy doesn't really have any solid fuel substances.

[JacenHanLovesLegos]

Is there a material that will hold together, like a cannon ball? I need a gun with a bullet propelled by gunpowder.

[breadbocks]

You could try goo, but don't count on it.

[Draco18s]

Is there a material that will hold together, like a cannon ball? I need a gun with a bullet propelled by gunpowder.

No.

[smjjames]

The best you could probably do is a plasma or lava 'slug' since there isn't a solid material that moves as a unit.

[Akura]

You could try a brick/stone "shotgun". The explosion shatters the brick, and propels the powdered material out.

EDIT: Apparently, that doesn't work. It keeps exploding inwards.

[Argembarger]

Powdertoy physics makes me chuckle.

I created a large brick crucible, within which a clone spewing lava created a neverending source of magma. When the magma reached a critical level within the crucible, a detector and E-wall caused it to drip individual drops of magma onto a large ball of frozen nitrogen ice. Interestingly, some kind of pressure forces within the nitrogen ice ball caused the lava to dig a diagonal tunnel through it, culminating in a large ball of open space at the core. Something went awry, and the backlash of frigid air managed to not only cool all the lava into stone, but managed, by sheer air pressure alone, to smash my lava crucible into a million pieces. It exploded spectacularly and obliterated the rest of the nitrogen ice with 800 degree broken brick fragments and a tidal wave of molten rock..