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Monday 21 May 2018 at 08:03
I have adjusted the springs on the drop targets understanding that a stronger spring gets the drop target out of the way quicker and causes less airballs.
Well I have tried both (a) stronger springs (from PinballLife) and (b) reinstalling original springs and shortening them up to 20-25 revolutions....
Source: http://pinside.com/pinball/forum/topic/ghostbuster-issue-thread/page/80#post-4409363