[UPDATE]
good beginning but it is trashed.
to be continued soon.
old stuff
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From time to time dwemers need some fortification to defend from all savages around. It's quite wip before final touches (still wait for overall aproval)
Even Michael Kirkbride admitted that dwemers had a bit sci-fi feel, so I followed that way.
Instead of some stationary tower visible from long distance dwemers developed expendable artillery stations. With cool auto-crossbows on the top. Some examples could be well hidden, some of them could be lifted up. In theory they could even change height of these towers to fit theirs needs but it would be probably quite challenging to create game mechanics which could work like that. Materials the same like any dwemer architecture. I don't have too many ideas what could cause ejecting of these towers if we plan to animate them (maybe some secret device?)
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The same auto-crossbow
It is inspirited by these inventions
Mixed compound bow and crossbow with automatic system of reloading.
1. It can rotate horizontally and vertically. Horizontally by rotating whole tower and vertically by bearings connecting weapon to tower. It has aim, ammo case with expandable arrows and lenses to magnifying view of targets. Also it has sliding seat.
Compare to original compound bow instead of cables, accurate tension is provided by tensioner and string connected with serving. With design like that is hard to provide cable connecting limbs together. Also it has ammo case which is reloading by special automated arm.
Also there is problem how to get to gunner position. It can be be done by 2. simple seat and some kind of elevator. Well, both solution could be problematic. Maybe console could be somewhere else (not connected with crossbow)? But then aiming is pretty hard.
a. Handlebar is when will be mechanics which can provide possibility to control crossbow by player's keyboard and mouse
b. Console is solution when you click ingame and move sth of specify angle or do action.
I. II. and III. shows situation how limb reacts to tension and how new arrows appear in flight groove.
I'm quite aware that it needs to be a bit simplified if it would have any animations and some system of controlling it. So if you see some loopholes or you have some better ideas feel free to sketch.
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Big gun, runing on steam, sth like Paris Gun to shell whole Tamriel with the same base as observatory.
The cool thing is that it would be some kind of mystery, which you will not notice until you will rething that. From bottom it would look like some weird structure or chimney.
Well, let me know what do you think. And how it is possible to do, to do further changes or not.
New fresh start.
Previous ideas were too complex and too complicate to execute.
What I suspect sitting position in Skyrim is independent from gravity so it's fit. Standing position will not work. the main problem will be space to activate sitting animation. 1. 2. 3. 4. 5. 6. are more just ideas to defend concept. To get to the top you will have to find place in interior, then you pull the lever (just like in skyrim, with dwemer elevators in towers) and then you will appear just on seat, if you want to go back then you pull special button and you are back underground.
In theory you can go there by levitation but then there is no place to activate sitting animation. Also if there would be some place then your seat is too far to reach buttons. There could be some place by side of seat but I'm not sure how animation looks like when you try stand up when you are on some angle. The whole concept of reaching this place from levitation create a lot of nasty problems. Maybe create some dwemer "seatbelts" to avoid this problem?
Depends how it could be animated there is basic version of console and with expanded featured or not. Most towers will not work, more destroyed examples could appear too but they will be just derivatives from original one. 1-2 working examples will be enough. Also some nice sound (steam, working mechanisms etc.) would be cool too. So depends on time which could be spend, some functions could be added, some not in any time.
How to hide tower is also defense of concept and some tips for modelers. There could be animations where you can change height of tower.
Below version in "color"
and more recent depiction of big gun
which of course from bottom perspective will look just like other chimney.

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