hi, here is what is written in the BV rules for aluminum building: As a rule, a protective coating is to be requested for aluminium structure...
thanks Baeckmo
thank you Baeckmo. I dont think the oxyde covering is sufficient to stop galvanic action. If you have stainless steel near and connected in the...
this is a good idea also. I guess you install the GRP tube in the alu one?
the vessel is already built, the 5083 Al painted hull, 5083 sterntube welded to the hull and 2205 shaft. the sterntube has 2 seawater lubricated...
thank you for the idea of Alodyne. Untill now, the inside of the sterntube stays without paint because this is very difficult to apply it...
thanks Jehardiman! does that mean 6082T6 is not á good idea for the sterntube? because it looks quite common.
thanks a lot! so only this grade is not allowed, no all the serie, isnt it?
yes I do
i mean: did the shaft earthed to the hull?
thanks William. were the shafts connected to the hull?
the rationale is you connect anodes to the propeller thanks to the earthing of the shaft, for the cathodic protection.
thank you for you reply. the shaft is already and originally earthed to the hull, this is a requirement of shaft and propeller maker.
good morning Ad Hoc which rule shows this no allowance please?
Hello! I have focused for á long time about the different approches of this metal « mixture », when the shaft bearings are waterlubricated. In...
