Alloy Clevis
Alloy Clevis
Best Marine Rudder Bronze Bearing Material?
I have an external rudder on a surface drive. The rudder is held by a clevis with two bushings.
Which bronze alloy would be the most suitable for making bushings?
The bushings will be exposed to seawater and the rudder shaft is stainless steel. The rudders are about 2.5 feet long and weight about 50 lbs. The propeller is a 19" and is driven by a 440 hp motor.
http://www.constellationq8.com/constellationq8/Pic%201c%20Rear.JPG
Thank you
If your existing bushes are only worn,replace with the same material,but if you have found electrolytic corrosion,due to dissimilar
metals,then investigate further.this usually only happens with old boats.I found it on an old boat where a stainless fitting had been secured with brass screws,which the became"sacrificial"over time &
failed leaving the fitting loose.Not a happy time.It was holding the Mast
up.
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