oak will make a decent bow as long as the grain is good and you build it right, shorter bows made of oak can take a bit of set, but between 72" and 65" they take to bending well. of course my experience is with 1x2's so if you go wider with say a pyramid design you wont get so much set. oak makes a fine light in the hand 72" longbow, as long as you keep the tips narrowed . im still amazed at how light my longbow is