Life Raft Ref

Life Raft Overview
General introduction and key concepts of life raft
Life Raft Types
Common types and categories of life raft
Life Raft Best Practices
Recommended approaches and guidelines for life raft
Life Raft Common Mistakes
Frequent errors to avoid with life raft
Life Raft Quick Reference
Essential values and measurements for life raft
Life Raft Comparison
Compare different options and variations of life raft
Life Raft Standards
Industry standards and specifications for life raft
Life Raft Safety
Safety considerations and precautions for life raft
Life Raft Tools Required
Equipment and tools needed for life raft
Life Raft FAQ
Frequently asked questions about life raft
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About Life Raft

What this tool does

Marine tools calculate hull speed, fuel burn rate at various RPMs, anchor rode length, displacement, sail area, tide times, and sea distances between ports.

Why use this tool

Boating safety depends on correct calculations. Not enough anchor rode in a squall means dragging anchor. Underestimating fuel burn means running dry offshore. These tools help you plan passages with proper safety margins.

How it works

Hull speed uses the formula 1.34 x sqrt(waterline length in feet). Anchor rode applies the 7:1 scope ratio for moderate conditions. Fuel burn estimates interpolate from engine RPM and consumption curves.

Pro tip

In heavy weather, increase your anchor scope to 10:1 or more. The holding power of an anchor depends almost entirely on the angle of pull, and more rode keeps that angle close to horizontal.

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