I was unlucky enough to get a rope with ancor attatched into my prop on my Volvo Penta 8.1 duoprop. the shifter was stuck in gear until all rope etc. was removed and then went back into neutral. my question is does the outdrive have some sort of protection device in place to stop the prop from spinning when it has a problem like this? after removal of rope and ancor all seemed to be fine except for a small dent to prop 
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