How can I break a minecart with the environment without destroying it?

Question

With the upcoming Redstone Update, I see the possibility of improving existing automated minecart station designs.  One way of doing so is to vastly increase the storage capacity (or vastly reduce the required footprint) of the minecart storage area using hoppers, chests, and dispensers (or droppers, whichever is more appropriate).

My problem is, how can I reliably break a (presumably empty) minecart with just the environment such that it can be sucked up by a hopper?  As far as I know, anything in the environment that can break a minecart can also destroy items, meaning instead of reusing them, they simply disappear.

MBraedley · Accepted Answer

This has been solved by some smart redstone YouTubers, with one of their tutorial videos below:

                
            
They drop the cart next to a cactus, but in my testing, I haven't found this to be strictly necessary.  Simply having the cart travel straight into a cactus also works.  The key in both instances is to have a hopper ready to accept the itemized cart.  Without it, there's a chance it'll be destroyed by the cactus.  The design below shows this, and is inspired by BDoubleO100 in this video.  It may be hard to see, but there is track on top of a hopper which feeds the dispenser.  The slab above serves 2 purposes: prevent the cactus from growing, and prevent damage to a hapless player, should they enter the area by mistake.

richardy · Answer

If you take a dispenser and fill it with fire charges, it will fire them at your minecart and it will break but not make it disappear.

Fabian Röling · Answer

In modern versions of Minecraft, the drop of a broken Minecart always flies away from the cactus, so it can be picked up by hoppers with 100% reliability. And even if the hopper is full, the item should still stay on it (and on the rail).

Answered by Fabian Röling on July 2, 2021

How can I break a minecart with the environment without destroying it?

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