AquaCraft UL-1 Superior FE Hydro RTR Hydroplane Boat w/2.4GHz Radio (Red)

This item is discontinued and no longer available for purchase. You may want to search our site for a similar item.
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Low Price: $349.99
Discontinued Online

The UL-1 is the racing RTR with all the extras and no equals! The hull and hardware are GrimRacer designs. The radio is a cutting-edge TTX300 2.4GHz system. The 2030KV brushless marine motor and 60A ESC are water-cooled, waterproof and AquaCraft originals. And the UL-1 is not only legal for NAMBA and IMPBA competition, its perfect for LiPo battery power!


  • Hull: Lightweight painted fiberglass with molded-in center tub section that houses the motor, batteries and radio equipment, breakaway fins detach under stress to prevent damage to the hull, attach with two-sided tape and float for easy retrieval
  • Motor: AquaCraft 6-pole 36-56-2030kV brushless marine motor created exclusively for the UL-1 and high-speed hauling, 4mm motor plugs boost efficiency
  • Radio: Tactic TTX-300 2.4GHz SLT system, 3-ch pistol grip transmitter with steering and throttle, and steering trim adjustment, Tactic TSX20 standard servo for rudder control, Tactic TR325 3-channel receiver
  • Electronic Speed Control: Water cooled, waterproof, 60A for LiPo usage, a "Stutter Bump" warning at 12V and an auto cut-off at 11.6V insure low voltage protection, ESC is also NiCd and NiMH compatible
  • Strut: Black anodized CNC-machined aluminum, adjustable to change prop depth and angle to match water conditions
  • Turn Fin: 0.08" (2mm) thick aluminum with tapered leading edge to reduce drag, adjustable for top performance
  • Cowl: ABS plastic with magnetic locking system
  • Propeller: 3-blade 40mm FRP


  • UL-1:
    • Hull Length: 27" (685mm)
    • Overall Length: 29-1/4" (744mm)
    • Beam (Width): 14-1/4" (361mm)
    • Overall Height: 6-3/4" (170mm)
    • Weight (Less Batteries): 4lbs, 1oz (1.84kg)
    • Weight RTR (with two 3200 LiPos): 4.9lbs (2.21kg)
  • Brushless Motor:
    • Diameter: 1.4" (36mm) kV Rating: 2030RPM/V
    • Length: 2.2" (56mm) 
    • Input Voltage: 7-18.5V
    • Shaft Length: 0.59" (15mm)
    • Max Constant Current: 50A
    • Shaft Diameter: 0.20" (5mm)
    • Max Surge Current: 80A/five seconds
    • Overall Length: 2.8" (71mm)
    • No Load Current: 5.0A
    • Weight: 7.5oz (212g) including connectors
  • ESC:
    • Length: 3.25" (83mm) 
    • Battery Connectors: 2 male Ultra Deans plugs
    • Width: 1.5' (38mm)
    • Motor Connectors: 4mm bullet (three)
    • Height: 0.67" (17mm)
    • Input Voltage: 12-14 NiMH, 4 cells LiPo
    • Weight: 3.8oz (109g)
    • Wire Gauge: 14AWG 8-20V input w/o BEC
    • Output Current: 60A continuous maximum
    • BEC: 5.2V/2A
    • 72A surge maximum Stutter Bump Voltage: 12V
    • Max Output Power: 720 watts Low Voltage Cutoff: 11.6V
    • On-Resistance: 0.003 ohms Thermal Cutoff: 110C
    • Operating Frequency: 8kHz 
    • Timing Angle: 10
  • (1) AquaCraft UL-1 Hydroplane, brushless marine motor and ESC, 2.4GHz 3-ch SLT radio system, decal sheet, instruction manual and plywood stand

Needed to Complete:

  • AA Batteries: Four for transmitter
  • LiPo Batteries: Two 3200mAh 7.4V LiPo batteries AQUB9825
  • Battery Charger: LiPo Compatible
  • Cell Balancer

This product was added to our catalog on April 19, 2017