I've gotten sourwood arrows done in about a week. I peel the bark off and hand straighten them. Let them sit in the sun and wind (on a rock outside works if it doesn't rain). Go back the next day and straighten them again. Repeat. Takes three or four days. Afterwards they shouold be nice and sstraight and should be easily planed into perfect arrows. It requires lots of attention though (watching for rain, signs of checking, daily straightennings, etc.)- especialy when you have a bunch to do. Half a dozen or so at a time like this will be enough to keep you pretty busy. If you want arrows in a hurry, give it a try on a few.