Propeller System: Bolt Tightening for Propeller Blade!

We will talk about How to tight for bolts of blades after assembly! Have some method to do it. But in this topic we will say a simple way to do it & not need modern equipment or tools to do. We will use chain locker! We will take an example for easy understand! 1.Mounting … Continue reading Propeller System: Bolt Tightening for Propeller Blade!

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Propeller System: Shaft seal ( Stern Tube seal ) Inspection Notes!

We will discuss about Stern tube ( S/T ) seal - general about inspection notes! 1. Stern tube L.O line: Pls make sure these L.O line for S/T to be clean. These line is fabricated by Stainless steel pipe material to increase corrosion resistance of pipe ( prevent rust coming & damaged the seal. Have … Continue reading Propeller System: Shaft seal ( Stern Tube seal ) Inspection Notes!

Main Engine Shaft Alignment – Comprehension

What is shaft alignment condition? "A static condition observed at the bearings supporting the propulsion shafts." The basic procedure for determining vertical alignment of shafting and gears is to calculate, for the cold condition at time of aligning, a shape of shaft line that will produce in the hot operating condition essentially equal loads on … Continue reading Main Engine Shaft Alignment – Comprehension