There is already an upgraded version of this launch vehicle.

Improved Type 4 100-ton recoverable launch vehicle

Don't move anything when taking off, set the value of slider 1 greater than 0.5 to turn on the autopilot.

After the first stage of automatic launch, you need to set a forward maneuver node with a DV value of 2320 to 2380 at the apogee of the second stage of orbit and execute it.

Here's the demo video
This is a launch vehicle with a carrying capacity of 100 to 105 tons in low Droo orbit (100km).
In total, there are 2-stage rockets.
The first and second levels can be recycled.
The first stage of the rocket will be landed 250 kilometers from the launch location.
The recovery price of the first stage rocket is about 170,000K to 155,000K.
The recovery price of the second stage rocket is about 70,000K to 50,000K.
This means that with a rocket, it costs only about $440 per kilogram launched.
The thrust-to-weight ratio is set to 1.5 to 1.1 during takeoff.
This launch vehicle fairing contains a 100t fuel tank, which is used as an experimental payload and can be removed at any time.