When I first started playing I used the default constructor, until I realized it was just too SLOW !!!!!!
Now I build 3 types
#1 - 1 engine, no range mod - used to build local econ starbases only.
#2 - 2 engines, basic range mod - used to grab resource starbases.
#3 - 2 engines, max range mod - used for range extend on gigantic maps.
Are there any other type that other players use ????