Hacker E3-37 Brushless Inrunner Motor- 3700Kv

Product Features

• Ideal for 5.33:1 gearboxes (EFLM216)
• Precision engineered in Germany by proven World Champions
• Excellent Motor for small airplanes between 10 oz ? 18 oz (280 g ? 510 g) and 3D models between 12 oz ? 15 oz (340 g ? 425 g)
• Combines ultra-high power and super-efficient design
• State-of-the-art 2-pole slotted stator design for high power output
• Robust all-metal construction featuring high-grade alloys throughout
• Machined heat sink fins and ventilation holes on each end bell provide excellent heat dissipation at high levels of power for maximum reliability
• Multiple mounting hole spacing to fit into most GWS and E-flite? gearboxes ? 14 mm and 17 mm spacing
• Ideal for park flyers miniature helis and Team Losi?s Mini-T?
• Specifications: Diameter: 24mm (.95 in) Length: 36mm (1.4 in) Weight: 48 g (1.7 oz) Continuous Amps: 7A Peak Amps: 12A Kv: 3700 rpm/v Io: .9A Ri: .23 ohms
• Ideal for park flyers miniature helis and the Mini-T?
• Two mounting hole spacing options
• Large -diameter rotor for better mechanical leverage
• Machine-wound precision stator for more consistent performance
• Specifically designed to operate with 2- to 3-series 1200?1320mAh Li-Po batteries.

Overview

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These motors combine 3-time FAI F5D World Champion Hacker?s precision engineering with E-flite?s recognized reliability. New Hacker E-Series Brushless Motors are a unique blend of high performance and competitive price braced by Hacker?s state-of-the-art 2-pole slotted stator design which produces high levels of torque and rpm at lower current draws.

Ideal for 5.33:1 (EFLM216) gearbox with?a 10x4.7 prop using 3-Cell 1200-1320mAh Li-Po batteries?on all park flyers and aerobatic planes under 16 ounces with plenty of power.?
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Hacker?s Precision Engineering Is Competition-Proven

3-Time FAI F5D World Champion(2004 2002 2000) 2004 FAI F3A U.S. National Champion 2004 FAI F3A European National Champion

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Tech Notes

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You will need...5.33:1 Gearbox

12 - 25A Brushless ESC

10x3.8 to 12x6 Prop

(10x4.7 ideal prop)

11.1V 3-Cell 1200-1320mAh LiPo

E-flite Motor Specs & Comparisons (160 KB)?

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Specifications

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Type:?Brushless
Size:?Upgrade for 370
Bearings or Bushings:?Bearings
Recommended Prop Range:?10x3.8 to 12x6
Voltage:?7.2 - 12
RPM/Volt (Kv):?3700
Resistance (Ri):?.23 ohms
Idle Current (Io):?.9A
Shaft Diameter:?2mm (.08 in)
Shaft Length:?10mm
Weight:?48 g (1.7 oz)
Diameter:?24 mm (.95 in)
Length:?36 mm (1.4 in)
Continuous Current:?7A
Maximum Burst Current:?12A
Cells:?6-10 NiCd/NiMh or 2-3 LiPo 1200-1320mAh
Speed Control:?12 - 25 Amp Brushless

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Manuals and Parts Explosions

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E-flite/Hacker Instructions?(Manual 112 KB)
How to Determine a Model's Power Requirement?(Manual 69 KB)