Note:
Step to create the dual engine system:
1) Execute "Dual engine model - Branch 1.js"
2) "Select All" the created models, Click "Copy selected components" button, and then Click "Paste model and properties".
3) Execute "Dual engine model - update branch 2.js"
4) Execute "Dual engine model - Propeller branch.js"

How to do:
1. Open one ".js" file.
2. "Select All", copy and paste the content to the script window in Nauticus Torsional Vibration tool.
3. Run script "F5" to create model.
4. If generate dual engine system, please see above Note.