Knowledge base
Category: Hull Materials
Aluminium, fiberglass and wood compared for reef operations: corrosion, keel protection, hull weight, fuel burn and repairability in West Papua.
- Scope
- New-build projects only
- Contracts
- PT Komodo Galangan Nusantara
- Quotations
- USD
- Delivery
- Sorong / Waisai, West Papua
Sacrificial Keels and Keel Protection for Reef Boats
A sacrificial keel is a replaceable wear strip — typically a bolted or welded shoe of thicker aluminium, HDPE, or hardwood — fitted along the hull’s centreline so that coral groundings, beach landings, and… Read the note →
How Deadrise Affects Comfort and Shallow Draft
Deadrise — the angle of the hull bottom measured from horizontal — is the single number that most directly trades ride comfort against shallow draft. More deadrise (20–24 degrees at the transom) slices through chop… Read the note →
Corrosion Protection for Aluminium Boats in West Papua
Corrosion protection for aluminium boats in West Papua rests on five controls: correct alloy selection (5083/5086 hull plate), strict isolation of dissimilar metals at every fitting, properly sized and maintained sacrificial anodes, clean shore-power… Read the note →
Hull Material Choice for Coral Reef Operations
For coral reef operations, hull material choice comes down to three questions: how often will the hull touch something hard, how far are you from repair facilities, and what can your crew maintain. Marine-grade… Read the note →