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eDrive D70L165 Waterproof eFoil Propulsion Kit (6.6KW)

 
The Hobiba eDrive Pro D70L165 is a top-tier propulsion kit engineered for high-performance electric hydrofoils (eFoils). This system integrates an efficient D70L165-105Kv inner-runner brushless motor with an aerodynamically optimized propeller, delivering up to 6.6KW of continuous power and a maximum static thrust of 56.9kg at a 48V operating voltage. All performance claims are validated by rigorous underwater load testing. Test data confirms stable thrust output of 56.9kgf at full load (137A input at 48V), along with smooth, linear throttle response and precise control across the entire range (30%-100%). For instance, a powerful thrust of 42.4kgf is achieved at just 80% throttle. The kit features a black hard-anodized aluminum housing, achieving an optimal balance between lightweight construction (total weight approx. 7kg) and excellent corrosion resistance. It provides a reliable, plug-and-play power core solution for premium eFoil manufacturers and retrofit projects.
  • Max. Static Thrust:56.9 kgf (125 lbs)
  • Max. Power:6.6 KW
  • Rated Voltage:48V
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  • eFoil Drive

  • 100-150

  • Sensorless

  • 60V

  • < 120A

Hobiba eDrive D70L165 Kit Waterproof eFoil Propulsion Kit 6.6KW eFoil Motor Kit High Thrust eFoil Motor Electric Hydrofoil Propulsion System eFoil Motor and Propeller Set
Features
Specifications
Dyno Tested Data
Dimension


Key Features


  • Powerful Output: Delivers 6.6KW continuous power and 56.9kg (125 lbs) max static thrust at 48V for rapid acceleration and take-off.

  • Wide Voltage Compatibility & High Performance: Supports a broad 10-28S (32-117.6V) input range, with excellent efficiency at 48V, compatible with various battery configurations.

  • Verified High Efficiency: Motor peak efficiency exceeds 92%, with underwater load test data confirming outstanding energy conversion and thrust output.

  • Exceptional Linear Control: Smooth and predictable thrust increase from 30% to 100% throttle provides riders with precise, intuitive power control.

  • Robust & Lightweight Design: Motor weight is only 3.2kg, with total kit weight around 7kg. Built with aerospace-grade aluminum and IP68-level protection.

  • Extended Service Life: Designed for up to 10,000 hours of reliable operation, ensuring long-term durability.



Parameter

Specification

Kit Model

Motor-kits-D70 (D70L165-105Kv with Prop)

Motor Model

D70L165-105

Motor Type

Permanent Magnet Brushless DC Motor (12N10P)

Rated Voltage

48 VDC

Speed Constant (Kv)

105 RPM/V

Max. Power

6.6 KW

Continuous Current

140 A

Peak Current

190 A

Max. Static Thrust

56.9 kgf (125 lbs)

Motor Net Weight

3.2 kg

Total Kit Weight

7.0 kg

Motor Dimensions

D70 x L165 mm

Shaft Dimensions

D12*34mm + M8*25

Design Life

10,000 hours



The performance of the eDrive Pro D70L165 is validated through comprehensive underwater load testing, providing transparent and reliable data for system integration.


1. Maximum Thrust Test at Various Voltages:

Thrust increases with input voltage, demonstrating the system's performance potential with different battery configurations.


Voltage (V)

Current (A)

Input Power (W)

Speed (RPM)

Max Thrust (kgf)

Thrust/Power (Kgf/kW)

30

72.9

2187

2520

32.6

14.91

36

93.3

3358.8

2844

41.9

12.47

42

111.3

4674.6

3155

48.5

10.38

48

137.9

6619.2

3468

56.9

8.60


2. Throttle Curve Test at Rated 48V:

Details the complete performance profile from 30% to 100% throttle, confirming linear and controllable power output.


Throttle (%)

Current (A)

Input Power (W)

Speed (RPM)

Thrust (kgf)

Thrust/Power (Kgf/kW)

30

10

480

1420

10.8

22.50

40

20

960

1798

16.2

16.88

50

35

1680

2154

24.1

14.35

60

49

2352

2368

29.8

12.67

70

69

3312

2620

35.6

10.75

80

88

4224

2880

42.4

10.04

90

114

5472

3186

49.6

9.06

100

137

6576

3468

56.9

8.65


Dimension: Motor Dimensions: 70mm (Diameter) x 165mm (Length). Shaft Dimensions: D12x34mm (with M8x25 thread). Total kit package dimensions approximately 320x200x200mm.



The motor comes standard with a 1.5m cable and a 10mm connector. Please strictly follow the provided electrical wiring diagram for system connection to ensure correct phase alignment and reliable insulation between the power supply, ESC, and motor.



Installation Note: The kit includes a streamlined fairing designed for eFoil boards. Standardized mechanical interfaces allow for quick integration into various hydrofoil mast systems. The included 144mm diameter propeller guard ensures operational safety.

Features
Specifications
Dyno Tested Data
Dimension

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