Cutting a keyway into a motor shaft

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POLL: Retaining Compound -- sufficient for motor pulley?

I thought retaining compound was the shit for motor shaft <-> motor pulley interface, but in this thread there are at least 2 members with multiple failures. I’m shook. Let’s collect some data. poll Especially if it failed, can you post some details? drive train specifics (belt? gear? chain? gear ratio?), type of pulley (alu or steel), type of retaining compound, did you clean, did you let it cure, etc. For me, I use 648 (high temp). Steel pulley, kind of a loose fit. No key no grub screw. I h…