Popular applications for A30 motors:

Electric motors are rated by watts. 100 watts per pound for sport flying, 150 for aggressive aerobatics.

A30 28S – 300 watts on 3S. Similar to glow .10. More aggressive than Power 10 E-Flite motor.

A30 16M – 400 watts on 3S/4S. Similar to glow .10 or .15 . More aggressive than Power 15 E-Flite motor.

A30 10L – 500 watts on 3S/4S. Similar to glow .15. Much more aggressive than Power 15 E-Flite motor.

A30 10XL – 650 watts on 3S/4S. Similar to glow .25  More aggressive than Power 25 E-Flite motor.

A30 12XL – 650 watts on 3S/4S. Similar to glow .32