helical vs. straight fletching

[riarcher]

I've used big paper clamps with pieces cut from a CD case as a lining.
Clamp it all up on a feather and epoxy where the clamp meets CD piece.

There's anouther one somewhere. Each end is triangular, cut for 3 clamps with stationary nock.
the guy glues up all 3 and uses rubber bands to hold it together.
Make a half doz. for about $15. Be like an assembly line. 

[Greatgoogamooga]

You could make a jig like this guy (about a minute into it)
http://www.youtube.com/watch?v=pffhKIuuQX8&feature=related

I made one like that out of 1/2" plywood.  I bought a cheap Bohning clamp from 3R and put a cross member above the arrow shaft with a magnet on it.  If you make one, make the holes that support the shaft as small as you can (3/8 is plenty).  I found that I made the holes too large at first and the fletching came out catty-wompus. 

Goog