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Old 09-13-2018, 11:54 AM   #4
jleonard
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Join Date: Jun 2008
Posts: 3,098
I had an old Mainship I and it had a 103 inch shaft, 1 1/2 diameter. It had a pillow block bearing mounted on a bulkhead about halfway.
When I repowered I had everything apart. Someone had suggested removing the bearing. Since the unsupported distance was "marginal" per the Aq 22 material supplier, I re-assembled without the bearing. As I was tightening up the prop nuts, I decided there was way too much "flex" in the shaft.
I put the bearing back in place.
FYI the bearing was a Torrington/Fafnir "RCJC 1 1/2" . (the 1 1/2 designates the ID).
I am also a mechanical engineer.
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Jay Leonard
Attitude Adjustment
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Mystic,Ct. /New Port Richey,Fl
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