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Old 01-21-2013, 02:44 AM   #18
Marin
Scraping Paint
 
City: -
Join Date: Oct 2007
Posts: 13,745
The three wiper motor shafts on our boat extend out 3" or so because they have to clear the window frames. The center windshield panel is hinged at the top and can be opened out. The pivot in the wiper arm allows for this movement of the center window.

We replaced our stock center wiper arm and blade with a pantograph arm and blade a few years ago. The original motor was retained. The wiper arm and the parallel rod are both hinged to allow the window to be opened. We put a restrictor on the bar the window opening mechanism slides on so we cannot open the window farther than the wiper arm hinges will allow. But this is still quite a ways open.
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