How many O gauge curves make a circle
Like most things in life, it depends. Here is a list of what makes a circle within various brands and radius-sized track.
Lionel FasTrack
O-31 Curve Track : 8 Pieces
O-36 Curve Track : 8 Pieces
O-48 Curve Track : 12 Pieces
O-60 Curve Track : 16 Pieces
O-72 Curve Track : 16 Pieces
O-84 Curve Track : 32 Pieces
O-96 Curve Track : 32 Pieces
Lionel O Tubular Track
O-31 Curve Track : 8 Pieces
O-42 Curve Track : 12 Pieces
O-54 Curve Track : 16 Pieces
O-72 Curve Track : 16 Pieces
Lionel O-27 Tubular Track
O-27 Curve Track : 8 Pieces
O-42 Curve Track : 12 Pieces
O-54 Curve Track : 16 Pieces
MTH RealTrax & ScaleTrax
O-31 Curve Track : 8 Pieces
O-42 Curve Track : 12 Pieces
O-54 Curve Track : 12 Pieces
O-72 Curve Track : 16 Pieces
O-82 Curve Track : 16 Pieces