Double the time? I'd say quadruple in most cases: http://blog.pmrobot.com/2011/09/5-steps-to-estimate-software.html http://blog.pmrobot.com/2011/09/5-steps-to

Double the time? I'd say quadruple in most cases: http://blog.pmrobot.com/2011/09/5-steps-to-estimate-software.html http://blog.pmrobot.com/2011/09/5-steps-to-estimate-software...