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Furling Boom Motor
Discover our new motor for furling boom from 6 to 9 meters. We've applied all of Ewincher’s technology to develop the ideal solution for furling your mainsail.
Control system & features
The control unit of the boom furling motor provides the user with immediate access to three essential functions for furling and unfurling the mainsail:
LOCK / UNLOCK
A ratchet clutch ensures the mandrel is locked when at rest (indicated by a blue LED), preventing the mainsail from being hoisted. To hoist or furl the mainsail, or to take a reef, unlock the system (orange LED). When reefing, lock the mandrel before tensioning the halyard.
FURL
Unique feature : a variable furling speed allows you to adjust furling speed from 6 up to 30 RPM: the harder you press, the faster it furls.
BRAKE
A proportional braking system lets you slow down the unfurling of the main sail : the harder you press, the greater the braking force. Crucial when a gust of wind causes the sail to unfurl too quickly while hoisting the main sail.
TENSION LIMITER
A tension limiter protects the sail during furling by preventing it from being rolled in under excessive tension. If the tension exceeds the set limit, the motor automatically stops.
CENTRAL CONTROL
A secondary control unit can be installed near the helm, enabling control of both the boom furler motor and all SailForce™ electric winches onboard.
Specifications
Mandrel external Ø1
120mm
Mandrel Ø2
110mm
Motor power
880W
Maximum furling torque
250Nm
Variable speed range :
Maximum
30 rpm
Minimum
6 rpm
Motor total weight*.The mandrel is available in two material options :
Stainless steel
24.2 kg
Titanium
21.8kg
Maximum working load
F1 - Vertical pull*
3.0 tons
F2 - Horizontal pull*
2.5 tons
F3 - Reefed sail vertical pull**
3.0 tons
**calculated with 200mm intermediate Ø
Best performance on the market
Comparison with equivalent motor available on the market
Motor 60% more powerful
Maximum speed 100% faster
Weight reduction :
- Stainless steel version 33% lighter
- Titanium version 40% lighter
Maximum working load :
F1 : +20% resistance
F2 : +25% resistance
F3 : +20% resistance
Installation
Installation is straightforward : a junction box to connect to the furling boom motor, to the 12 or 24V and to the control units.
Electrical consumption
The motor is powered by a dedicated 42 VDC battery (located in the junction box). The battery includes a 12–24 VDC charger and recharges seamlessly when the motor is idle. It requires only 6 Amp to charge on the 12V. This low-intensity charging current helps preserve the longevity of the service batteries.
