Hi Bev,
Shaft size can be changed over the years, I went from 7/8" to 1"
shaft a while ago.
It is best to measure (if it wasn't noted in the log book the last
time it was done :).
Simply back off the packing nut, measure the inside (thread)
diameter, screw it back on, measure the prop shaft diameter, the
difference divided by half is your packing size.
So, 1 3/4" nut I.D. and a 1" shaft will need 3/8" packing.
If the boat is in the water and you're nervous of the water that can
come in with releasing the packing gland nut then WAG (wild ass
guess) the thread I.D. diameter by measuring the outside thread
diameter of the shaft log and dropping, say, 1/8- 3/16" for thread
depth. That'll get you close enough.
Packing that is slightly too large can be made small enough by gently
flattening with a hammer, so buy what you think you need and then
again one size up.It's cheap enough.
Cheers, Russ
Sweet 35 mk-1
the warm part, B.C. Coast
At 09:12 AM 31/03/2016, you wrote:
Content-Type: multipart/alternative;
boundary="----=_Part_426675_633535307.1459440774679"
Content-Length: 822
How do I calculate the thickness of the material needed to repack
the stuffing box on a 29-2?
Does anyone have the specs?
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This list is supported by the generous donations of our members. If you like
what we do, please help us pay for our costs by donating. All Contributions are
greatly appreciated!
