FOC System & 3-Gear Speed

Many ASIWO sea scooters use a FOC (field-oriented control) motor system with a 3-gear speed layout. Together they improve how the scooter feels in the water compared with basic on/off thrusters.

What FOC does

Field-oriented control manages motor current for:

  • More linear throttle response
  • Stronger usable torque at lower speeds
  • Quieter operation than many basic controllers
  • Better driving efficiency that helps battery runtime

3-gear speed

Three selectable gears let you cruise gently for snorkeling, step up for exploration, or use a higher setting when you need more push. A smooth hull shape also helps cut hydrodynamic drag so each gear feels steady.

Battery and safety notes

  • Secure battery locks help keep the pack seated and support waterproof performance when closed correctly
  • Always follow the charge, depth, and age guidelines on your specific model’s product page
  • Runtime varies by gear, diver size, current, and water temperature

Ergonomics

ASIWO scooters emphasize a stable pull and comfortable grip so you can focus on the view—not fighting the handle. Pair FOC smoothness with the right gear for a safer learning curve for new riders.

See FOC-equipped models in the sea scooter collection or why ASIWO.