is there any web sites about SPIRAL SPRING computations?

Question

formulas on
1. strenght of spiral sping - kg per cycle
2. torque per turn or torque per radian
3. no. of wind-up turns in an arbor shaft
4.max power
5. power transfered tru a gear

etc etc

Answer 1

1.F E D 9
Spiral Spring Design Software
(C) Copyright 1999-2006 by HEXAGON Software, Berlin
Visit:;
http://www.hexagon.de/fed9_e.htm
2.visit:
http://www.programshome.com/Spring_springs_cylindrical_spring_17575.html
3.http://www.filetransit.com/files.php?name=Spiral_Spring
4.http://www.shareseek.com/soft/s3642.html

Answer 2

efunda.com