Powerfull Air Assist for Neje.
Fit on A40640, probably will fit alson on n A40630.

Material:
Some screws and screw inserts needed for turbine.
Dc motor 555 with app 18k rpm.

https://www.aliexpress.com/item/1005004709886884.html?spm=a2g0o.order_list.order_list_main.4.1fe81802IHAlfy

Rubber rings.

Electrician's gooseneck with inner diameter app 24mm or any other pipe.

I also cutted paper gasket and put it between turbine cover and motor mount.
Attaching svg file for it.

You can see it in action here:

https://www.youtube.com/watch?v=F9i84nn6UaE