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Old 14-04-2010, 19:12   #1
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Location: SW Florida
Boat: Bristol (Alden) 35 Sloop "Zephyr"
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New Shaft ? I Don't Need No Stinkin' New Shaft !

If you need a new shaft and don't want to replace it, this is for you.
A previous owner of my boat did this. The only reason I can think of was he didn't want to replace the shaft.

1. The orig. 1" shaft was turned down to 7/8"

2. The coupler had a bushing welded into it (for the 7/8 shaft) and a new keyway cut.

3. Replaced the 1" stuffing box with a 7/8" one

4. Put a plastic bushing in the prop bore to compensate for the smaller shaft.

I discovered it when replacing the stuffing box , to shaft log rubber hose. I couldn't get a hoes that would fit the log, and the, now smaller dia. stuffing box.
I changed it all back to 1", as I needed a shaft anyway.
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Old 14-04-2010, 19:44   #2
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Sounds like a lot of trouble and expense just to avoid the cost of a new shaft.
John Davidson
S/V Laurie Anne
1988 40' Brewer Pilothouse
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Old 14-04-2010, 20:24   #3
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Just when you think you have seen it all.

This is the stuff that mechanics nighmares are made of.
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Old 14-04-2010, 20:46   #4
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The PO must have been a way was that cheaper to have done.
"Go simple, go large!".

Relationships are everything to me...everything else in life is just a tool to enhance them.
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Old 14-04-2010, 22:19   #5
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heck if he was a machinist he should have been able to weld and grind but to each there own. As I used to say people will trip over dollars to save pennies
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