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[winner]

this time I tested with a maximum length min width raising bridge and deposited all 128 rocks on it's very tip

Spoiler (click to show/hide)

~5

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layer 1
(11)91
4(37)9
75(10)

layer 2
443
254
671
~10

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layer 1
10400
35212
21*14
34313
00223

layer 2
10150
10001
10002
10000
11020

layer 3
21012
00100
23211
00201
33110
~15

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layer 1
1012100
1000000
0152111
111*113
0143110
2001111
0001000

layer 2
0010100
2000100
1000001
0000010
0000000
0000001
0000040

layer 3
1100300
0000101
0000000
0000000
0000001
2100000
1110100

layer 4
1000001
0101000
0000000
2032011
0000010
0020000
1021010
~20

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layer 1
100111000
000000000
010001000
001521110
0011*1211
001431100
100011100
000000001

layer 2
000100000
200000000
000001000
000000000
100000000
000000001
001000001
100000000
000100130

layer 3
100101000
001001000
000000000
100000001
000000000
000000000
000000000
100000000

layer 4
000001100
000000001
000000000
000000000
000000000
000000001
000000000
300000100
011001000

layer 5
100000010
010010000
000000000
010100000
001000010
011110020
000200000
000000000
002100000
~25

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layer 1
10001100000
00000010000
00000000000
00100020000
00015211100
00011*12101
00014311000
00010111000
10000000010
00000000000
00000000000

layer 2
00001000000
10000000000
00010010000
00000000000
00000000000
10000000000
00000000001
00000000000
00000000001
10000000000
00001000120

layer 3
00001010000
00000000000
10000000000
00000000001
00000000000
00000000000
00000000000
00000001000
00000000000
00000000100

layer 4
10000002000
00000000000
00000000000
00000000000
00000000000
00000000000
00000000000
10000000000
10000000000
00000001000

layer 5
00000000001
00000000000
00000000000
00000000000
00000000000
00000000001
00000000000
00000000000
20000000000
01010000000

layer 6
10000000010
00100100000
00000000000
00000000000
01001000000
00010000010
01011100010
00000000010
00002000000
00000000000
00021000000

~30

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enough of this

They went up 12 levels which means they can go out 11 tiles past the bridge.

At ~70 steps along they started coming down level by level.

[winner]

84 animals on a 1X1 retractable bridge with a channel all around it to keep them from wandering

none of them went up at all and none remained in the center nine tiles, it is possible that the channel messed with things

Spoiler (click to show/hide)

~0 steps after launch

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(84)
~5 after

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99(16)
(11)0(10)
8(13)8
~10

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53566
6000(10)
30003
90005
45644
~15

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the inner ring has now landed
1122144
4313113
1100044
2100003
2400011
4232224
0131401
~20

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all of them have now landed
I forgot to check for injuries before hand but
afterwards injuries total:
1 yellow right front paw
1 red right rear leg
1 brown lower spine
1 grey lower spine

[Sphalerite]

From what I've seen using bridges to defend against sieges, I believe that retracting bridges cannot throw creatures to a higher Z level.  Objects can fly up, but I have never seen a creature on a retracting bridge end up atop a one Z level high wall next to that bridge.  I haven't done any experiments specifically to test this, and don't have much experience with raising drawbridges to say if the same is true of them.

[Servu]

The object behavior with the refractable bridge gave me an idea: A dwarven bouncing castle! I'll build a 10x10 ref. bridge to a room of same size with a single locked door/floodate, link the bridge to a lever that will be pulled repeatedly (perhaps an automated water/pressure plate system?). If it works the dorfs inside will then bounce around merrily. All the way to their deaths.

Must make sure that the room is made out of colorful stone to ensure an authentic bouncing castle experience. perhaps add a little flooding mechanism and I'm all set. If creatures indeed aren't flung up z-levels I might try to add a creature pit above so our our friends the orcs can enjoy it too.

I'll get to building as soon as I return to my DF computer tomorrow. Will then try to post some results regarding the damage done from being flung around (if there is any).

[qwertyuiopas]

Creature pit: retracting bridge that they are dumped onto and another above it to prevent fling-out before dumping the payload into the real pit...

[winner]

To test the raising drawbridge I left one natural roof tile 8 z levels above the tip of a length 10 bridge, put a meeting zone on it and told all dwarves to stay inside.

Dwarves and creatures behave no differently from one another when flung from a raising drawbridge, They flew like one of those explosions you would see in star wars. None of them went up any z levels and the reached up to 12 horizontal tiles away. Just like the retracting bridge nobody remained on their tile of origin, I believe that none of them landed on the center nine tiles of thier origin but the launch was too sloppy to tell for sure.

[Hamster Man]

This must be what it feels like to be a scientist that tests car-crashes.
"Hmm, that $10,000 crash didn't look right. Lets do it again with the sports sedan."

Er, also, good work, though at the moment the results seem to be suggesting that the chances of successfully employing a flingifier are too low to make it a viable defensive mechanism. Perhaps if you constrained it with walls to try and "channel" it?

[Servu]

OK, I got the bouncing castle up and running if anyone is intrested. Just tested it for the first time with a gobbo, appears the refracting bridge throwing stuff about only stuns them. Video is here

I will probably test with multiple creatures soon, to investigate if there is damage from colliding with one another.

[winner]

I think that bridges only stuns creatures, I reloaded my save and the injuries I saw on the animals predated being flung by the bridge.

[Bloogonis]

This would deffinitely go a long way to making my PoW camps more interesting.

[winner]

raising drawbridges cannot fling but can atom-smash water.

[expwnent]

I'm confused: both retracting and raising bridges will fling creatures to the sides, but which one will actually lift them up z-levels?

Also, how are you getting the stuff onto the bridges? I'd like to try this myself.

[Sphalerite]

I'm confused: both retracting and raising bridges will fling creatures to the sides, but which one will actually lift them up z-levels?

Both will.  Retracting bridges throw objects up to 3 z-levels up, raising drawbridges throw them up to 11 z-levels.

Also, how are you getting the stuff onto the bridges? I'd like to try this myself.

For my experiments I constructed floors over the bridges, then designated stockpiles on those floors.  When objects were placed in the stockpiles I designated them forbidden.  Once the stockpiles were full I cleared the stockpile designation (leaving the forbidden objects) then carefully deconstructed the floors, causing the contents of the stockpiles and the materials the floors were made from to drop onto the bridges.

[toiski]

I'm confused: both retracting and raising bridges will fling creatures to the sides, but which one will actually lift them up z-levels?

Both will.  Retracting bridges throw objects up to 3 z-levels up, raising drawbridges throw them up to 11 z-levels.

Wasn't it so that both flung OBJECTS up, but CREATURES could not be flung up by either bridge?

[Sphalerite]

Wasn't it so that both flung OBJECTS up, but CREATURES could not be flung up by either bridge?

Sorry.  Neither type of bridge will throw creatures up, only to the sides.  Both types will throw objects upwards and to the sides.  Actually, further experimentation has revealed that the pattern of thrown objects is fully three-dimensional, with objects being flung downwards as well as upwards, expanding in a cube form until striking an obstacle or reaching a certain distance from the starting point.