Several days ago I test ran a boat in brackish water for about two minutes. On returning home I removed and cleaned the flexshaft but did not remove the brass propellor. Today, I removed it and was surprised that rust stains had formed on the stubshaft under where the prop was located. Now I know that there are differing grades of stainless including multiple grades of marine and medical metals but I was surprised because the shaft was relatively expensive and came from a reputable local supplier (not Model Hobbies Supplies) and was not one of the super cheap Chinese eBay sourced models.
Is it normal practice to remove the prop when servicing the flex after a run, if so the perhaps the dog drive should also come off?
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