Everything on a boat is viewed stern to bow. Propeller rotation is no different; a right hand propeller rotates Clockwise viewed from the stern of the boat looking forward. A Left hand propeller rotates Counter Clockwise viewed from the stern of the boat looking forward.
The Shaft Retention Collar aka SRC is designed to help retain the propeller or rudder shaft in your vessel in the event of a catastrophic failure of the coupling or if the shaft comes free of the coupling.
You may often find that off the shelf marine electronic mounting solutions will not work with your specific needs. That’s where the guys over at Seaview come in, they can design and produce a complete custom mount to fit your unique application in record time.
Jeffrey Stack of Chicago Marine Group goes over drivetrain basics.
Jason touches a bit on the powder coating on all Seaview's marine electronic mounts.