Tightening the spokes won't make the wheel stiffer (unless some are slack). More spokes / stiffer rim / wider spaced hub flanges are solutions
http://www.slowtwitch.com/Tech/Debunking_Wheel_Stiffness_3449.html
@Thuekr started
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Tightening the spokes won't make the wheel stiffer (unless some are slack). More spokes / stiffer rim / wider spaced hub flanges are solutions