The start balance has no effect on the strategy performance, otherwise wealthy people would always develop better strategies than poor people
. Reinvesting a percentage of your profit has certainly an effect. Look in the manual under "Margin" how to set the trade margin, and check out "Money Management" and "Reinvesting Profits" on the following page
http://zorro-trader.com/manual/en/tutorial_kelly.htm for learning the consequences when you do that.
