Glider DS-60

https://www.youtube.com/watch?v=FL5GtyyYRsg




http://www.ef-uk.net/data/wcl.htm
Wing Cube Loading (WCL) Calculator


The CG position is around 60-70mm from the Front edge of the main wing ( total width is 200mm as show in the attached photo )
For beginner, we will suggest CG at ~66mm. For different people preferences, it range from 60-70mm