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| Key stop bilateral tolerance vs under... |
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narrabay2
Senior Member
Username: narrabay2
Post Number: 80
Registered: 10-2019
| | Posted on Wednesday, June 24, 2020 - 01:52 pm: | 
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started looking for shaft key stock for the companion flange key and the propeller key. wasnt sure what material to select and read a lot on it, without conclusion. But brass seems acceptable.
signed onto Grainger and they offer "bilateral tolerance" as well as "undersize" square key stock.
Thought I'd start a topic on shaft keys, materials, and tolerance as well as any other tips and advice to learn the best way to do this on old engines. |
narrabay2
Senior Member
Username: narrabay2
Post Number: 81
Registered: 10-2019
| | Posted on Wednesday, June 24, 2020 - 07:35 pm: |
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should say KEY STOCK (spell check) |
miro
Senior Member
Username: miro
Post Number: 1085
Registered: 11-2001
| | Posted on Wednesday, July 01, 2020 - 04:52 pm: |
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With our low HP engines, almost any non-rusting material will be OK.
Brass is easy to work with a not expensive. For salt water , stainless would be my choice.
The fit can be "easy" since there's not all that much torque being transferred. If the fit to the taper on the prop is good, then a key might not even be needed. |
narrabay2
Senior Member
Username: narrabay2
Post Number: 91
Registered: 10-2019
| | Posted on Saturday, July 04, 2020 - 10:32 am: |
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thank you miro |
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