A dispensable smoke trail nozzle. obviously lol

How to use::
AG2 to arm
Rocket for smoke trails (Hold the rocket ,FireWeapons, to make more smoke)
Bomb for release
Main connection point is the red PYLON

Features:

Easy Installation- Just put it as shown.
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Overlapping Capabilty- Can be overlapped if you want to put it in the same position. (exclusively for the wing).
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Smoke trails- Well, smoke trails
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Retrofitting- If you know how to nudge parts you can even put it on engines.
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Fully Dispensable- in case you don't want smoke any more just throw it away.
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Tip:
As shown in the gif. you can install multiple nozzles but... With different activation groups for the bomb and rocket. The original concept was to make it possible only through one activation group but it doesn't quite work well and the smoke is not just solid enough
Be careful if you are using other rockets (besides the ones from the nozzle) since it is needed to be fired repeatedly to attain a more solid smoke effect thus it may also affect other rockets so it is advised to set activation groups.

Well it took me longer to make this simple build as I would expect this is mainly because of being busy and not satisfied on how it should work but this is the best I could think of for now haha. I may improve this for the future but you can use this fot the time being.

I know that this isn't new or something. I saw multiple concepts of using rockets as a smoke generator but trust me this is different. Most designs are bulky because it is needed to trap the rocket rather than being directly connected and the smoke is not that solid. This is quite small so you might hardly notice it and smoke is more solid (compared to a single rocket thrust smoke). The downside is the smoke disappears to quickly.
I also plan to make a propulsion system for this concept.

Anyways this was suggested by @ChristianFennell

If you want to know how its made go here

Enjoy and I am also working on suggested builds.