Also, I rigged up a very crude spine tester last night and ran about 10 arrows through it...... 3 of the 10 seemed to spine at about 50lbs, the rest were under that, some were WAY under that....... But that's ok, my wife and nephew can shoot the weaker arrows and they will just right for them.
Man, I wish I had taken a picture of it, it was a thing of beauty

Basically copied JSOG's method, but even more low tech.....