High power propeller launcher

This is a propeller launcher with a gearbox ratio 1:4, that can produce high RPM on the propeller and it can fly on a huge distance. Detailed instructions could be found here:
https://www.instructables.com/id/High-Power-Propeller-Launcher/


This thing has 2 upgrades:
Performance upgrade - https://www.thingiverse.com/thing:3822309
LED upgrade for dark time of the day - https://www.thingiverse.com/thing:3836667

To get this done, you'll need:
8 x 693ZZ bearings, you can buy them e.g. here on AliExpress

2 x M3x45 screws

2 x M3x25 screws

2 x M3x12 screws

1 x M3*14 screw

1 x M3x8 screw

8 x M3x2 nuts

2 x M3 locking nuts

1 x M3 shim

≈ 75 cm of the fishing line with 0,8-1mm diameter

2 x mid sized rubber bands

1 x piece of the filament ≈3cm

1 x shim (with 12mm inner diameter and 16 for the outer) that made of sheet material, e.g. PVC (aluminum works better)

1 x drop of the Super glue

Some of silicone lubricant (if you decide to use plastic shi