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Author Topic:   Prop Paint
whalersman posted 06-05-2002 02:00 PM ET (US)   Profile for whalersman   Send Email to whalersman  
Anyone know of a good paint that will stick to an Aluminium prop??? I have tried several different cheap brands of paint like Krylon and the paint comes off after using the prop at high speeds...
Alioop posted 06-05-2002 04:52 PM ET (US)     Profile for Alioop  Send Email to Alioop     
Try using a automotive primer,have used on my props for years and lasts much longer than anything elese I have tried. Mike
Jay A posted 06-05-2002 05:54 PM ET (US)     Profile for Jay A    
Forget about it! Why paint a prop? And if you did manage to find some that stays on (maybe epoxy paint) after intense sanding,you better make sure you don't disturb it's fine balance or you might have to pay for a hefty lower unit repair.
FLUKEDUKE posted 06-06-2002 12:23 PM ET (US)     Profile for FLUKEDUKE  Send Email to FLUKEDUKE     
I have to agree with Jay, but if you're really serious about it look for a plating
shop that does hard anodize, we use it for
added durability on aluminum tooling. It'll
give surface hardness of about 60 rc (equal to tool steels), not too expensive and looks
great, comes in colors.
180 posted 06-06-2002 01:55 PM ET (US)     Profile for 180  Send Email to 180     
Jay A posted 06-06-2002 09:44 PM ET (US)     Profile for Jay A    
FLUKEDUKE: Great idea if you must coat the prop,.0005 to .0015 thick should do the trick. However,the prop must be cleaned properly.A good shop can do this as part of the plating process. whalersman: Call a few machine shops in your area and I'm sure they will direct you to a good plater in your area.
Boston Marine posted 06-08-2002 10:39 PM ET (US)     Profile for Boston Marine    
"Hard Anodizing" will not turn out well on castings, only forgings
jimh posted 06-09-2002 02:25 PM ET (US)     Profile for jimh  Send Email to jimh     
Running the prop in sand takes the paint off rather quickly. So does cavitation.
whalersman posted 06-09-2002 05:48 PM ET (US)     Profile for whalersman  Send Email to whalersman     
I had this particular prop reconditioned by a local prop shop. After using it for the first time some paint started flaking off.
New aluminium props come painted from the manufacturer.
My question is, What kind of paint does the manufacturer use on their props??
Thanks again,

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