Some great tips from Brad Gibson's website

General Tips
Boat Maintenance for Better Radio Sailing
Leaky Boat - Let's Fix It
Hull Breather Tube​
​Building a foam plug from a lines plan
Choosing a design for Home Building

IOM Specific Tips
Sail and Rig Tuning
Mast Layout (used in tandem with sail and rig tuning document)
Rigging - What to Consider
Alternative Lines Plan - Rake Settings

A great video with Ian Vickers discussing IOM Setup

A great series of Youtube Videos on rules and tactics

Episode 1: Introduction to Racing Rules https://youtu.be/tFCuwTuW200

Episode 2: The Start https://youtu.be/KanGIVzhym0

Episode 3: The Winward Leg https://youtu.be/wyOx5TAahw4

Episode 4: Marks part 1 https://youtu.be/BzmP5BMkVgE

Episode 5: The Run https://youtu.be/JQxeasGGr-s
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Episode 6: Marks part 2 https://youtu.be/xMTYEgv8WjE