The dreadnought is made to keep up with you when the swell gets big and you are surfing ledge-y breaks. 

Designed to be stable as the wave walls up and great at riding  barrels. 

Get in early.   Go fast.  Make it out

Size range is 1.5-2.5x overhead 

Bottom contours:

-Nose- Gentle vee

Middle-medium single in double concave

Fin cluster-vee double concave

Tail- Flat

Packed with extra volume to account for thick wetsuits, and cold water this thing is dialled for Northern UK and Ireland.