With the help of the post about using mountain bikes to get to hunting locations, I was able to put together my own "bow bike". This is my first attemp at posting a picture, so please be patient if it doesn't show up below.
My recurve fits on the handle bar bow holder which is removable. My takedown longbow will go in the case mounted to the rear basket. The rear basket holds my pack and stuff. The basket slides on and off the rear cargo rack, of course the takedown longbow case comes off with the basket.
I added a more comfotable seat and had the handle bars changed and a handle bar riser extension added so my old body can ride more comfortably.
Thanks to everyone who posted ideas in the previous mountain bike post.