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National Free Flight Society


Balsa Density Calculator

Balsa Density Calculator

Basic Glider Data Log Example

Basic Glider Data Log Example

Here is an Excel spreadsheet template you can use

Here is an Excel spreadsheet template you can use

Building Tips for a Flapper Glider

Building Tips for a Flapper Glider

Launching and Trimming a Flapper Glider

Launching and Trimming a Flapper Glider

Advanced Trimming Techniques for a Flapper Glider

Advanced Trimming Techniques for a Flapper Glider

Flapper glider trimming BT

Flapper glider trimming BT

Airplane Flying – A Simple Approach

Airplane Flying – A Simple Approach

Excel spreadsheet template

Excel spreadsheet template

How to adjust the rotor pitch

How to adjust the rotor pitch