I’ve had several requests for the settings that I’m using for my Chocofly JS3, so I’ve measured them and set them out below.

Note that all these settings are very much a matter of taste/preference and reflect how you fly. I like to have my center of gravity as much as possible to the rear and love it when the glider comes down straight as an arrow with a bit of negative camber. I also only fly with minimal throw on the wing control surfaces when I can, but have larger throws available over a switch. On top of that I always define a “speed” (negative camber) as well as three “Thermal” (camber) settings (“small”, “medium” and “large”), where “large” tends to be a lot, but reduced towards the outer control surfaces of the wing.

My settings reflect the fact that I mostly fly my gliders in light thermals and on the slope. Others will have different settings and preferences. Also important to note that I’m still not 100% satisfied with these settings and, as with all my gliders, will continue to fine-tune them – the only way to get these right for you is to fly and adjust (not copy values from some vague internet blog ;-).

Center of Gravity: 110m (or more)

Longitudinal dihedral (Elevator Incidence): slightly increased with two layers of 3m vinyl tape at the back (imprecise, yes I know :-))

Differential of ailerons (more aileron throw up than down):

• Speed: 100-80
• Normal: 100-60
• Thermal S: 100-50
• Thermal M: 100-50
• Thermal L: 100-45

Ailerons (values inner side wing):

• Small: 5mm (up)
• Big: 9mm (up)

Add (each separately over switch):

Flaps:

• • Small: 3.5mm (up)
  • Big: 5.5mm (up)

Airbrakes/inner flaps:

• • • Small: 1mm (up)
    • Big: 2mm (up)

Rudder: 25mm (or maximum mechanically available)(measured @ lower end)

Elevator:

• Small: 3mm (up&down)
• Big: 4.5mm (up&down)

Butterfly/Airbrakes:

• Flaps: 8mm up
• Airbrakes/inner flaps: 47mm down
• Elevator: 25mm down

Camber settings:

Speed: 1mm up entire wing

Thermal S: 2.5mm down entire wing

Thermal M: 4mm down Airbrakes/inner flaps, 3mm flaps, 2.5mm ailerons

Thermal L: 6mm down airbrakes/inner flaps, 4mm flaps, 2.5mm ailerons