What is F1H?
Key features of class F1H - what makes it distinctive, who it's for, and what to expect.
- Simple models to start with
- Large community and easy access to materials
- Ideal for learning thermals and trimming
What you need
Starter equipment list for the F1H class. Pick specific products based on your budget and experience level.
- F1H glider model (wingspan up to 1500 mm)
- 50 m tow line
- Mechanical or electronic timer
- Dethermalizer (DT)
- Modelling tool set
Rules and regulations
F1H class per the FAI Sporting Code Volume F1. Unpowered model, launched by hand or tow line, flight timed up to the round maximum.
- Wingspan
- up to 1500 mm
- Wing area
- up to 36 dm²
- Mass
- from 500 g
- Flight time
- depends on conditions
- Control
- None in flight
How to start with F1H
- 1
Check the CG against the plan.
- 2
Do hand toss tests over soft ground.
- 3
Set the DT timer to 60 seconds for first attempts.
- 4
Tow in light wind, perpendicular to the wind direction.
- 5
Watch the model's behavior and adjust the stabilizer.
What to avoid on your first attempts with class F1H.
- Incorrect CG (too far aft or too far forward)
- Not setting the DT before launch
- Towing too aggressively
- Wrong stabilizer incidence angle
Related competitions
Related guides
How to get started with aeromodelling?
A practical guide for people who want to get into the aeromodelling hobby.
Your first free flight glider model
How to build your first model step by step.
How to balance a model?
The center of gravity determines flight stability.
How to set up the stabilizer and wing?
Incidence angle and symmetry.
Interactive tools for this class
Workshop helpers, with educational estimates, not certified values.