Ace Electronics

Thunder Tiger - Neptune SB-1 Submarine RTR


Dive to amazing depths!

Neptune SB-1 Submarine

Embark on exciting, underwater adventures with the Thunder Tiger Neptune SB-1 Submarine RTR! Capable of withstanding depths down to 16 feet (5 m), it features a high-impact ABS plastic hull, a 12V motor propulsion power unit, a 6-channel FM radio system and full elevator and rudder controls. An auto-detect electronic protection system sends it to the surface during emergencies.

Neptune SB-1 RTR submerged under water
Aspiring sailors can take the Neptune SB-1 RTR down to depths of 16 feet (5 meters).

A Closer Look


  • High-impact, yellow ABS plastic hull.
  • 12V motor propulsion power unit.
  • 6-channel FM radio system with an all-in-one control PC board.
  • Dual static and dynamic diving system.
  • Ballast tank with roll pump and motor drive system.
  • Full elevator and rudder controls.
  • Auto-detect electronic protection system causes sub to surface in case of low battery power, weak radio signals or leakage.
  • Video-transport cable connector included for optional video monitor (sold separately).
  • 12V sealed lead-acid battery.
  • 12V wall charger.
  • 9.6V 1100mAh NiMH transmitter battery pack with white 2-pin connector.


  • Tools (needle-nose pliers and a Phillips screwdriver)
  • Threadlocker compound


  • Stock Number: TTRB5220
  • Product Number: 5220
  • Length: 30.5 in (775 mm)
  • Height: 11.2 in (285 mm)
  • Beam: 11.4 in (290 mm)
  • Speed:
        Surface: 1.45 knots (1.67 mph)
        Submerged: 1.08 knots (1.25 mph)
  • Dive Depth: 16.4 ft (5.0 m)