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Power consumption
0
%
less energy consumed
100
Amp
Maximum current consumed on service batteries
Conventional electric winches (12V brushed motors) have two major flaws in terms of their electrical consumption: they consume a lot (too much) energy; and they require currents of such intensity that the longevity of the service batteries can easily be compromised.
We set ourselves a challenge when designing our electric winch: we wanted SailForce to have a reasonable electricity consumption, similar to most on-board equipment. We had to make some technological choices, but we got there.
Our result: SailForce consumes 2 to 3 times less energy than conventional electric winches, and the currents it draws on the service batteries are similar to those of the on-board refrigerator.
Our innovation is largely based on the addition of a Lithium battery which supplies our motor with 30 V DC current. Two elements should be remembered regarding the electricity consumption of our electric winch: it consumes 50% less energy compared to conventional electric winches.
Sailforce is a latest generation high efficiency engine that combines 3 key technological choices to offer exceptional performance compared to current conventional engines:
A 1250 W brushless motor instead of 12V DC motors.
A Lithium battery supplying the motor with 30 V DC (instead of 12 VDC for electric winch motors conventional). Our Lithium battery charges on the boat's 12V.
A gear reducer and an angular gearbox with much higher efficiency than the screw and wheel system classic engines.
The result? An energy efficiency of 65%, compared to less than 35% for conventional electric winches. That's half the energy consumed for the same work.
Sailforce preserves
the service batteries of your sailboat
Only 6A preserved by the boat battery
The energy of the SailForce electric motor is provided by its independent battery pack (30 V Li Ion compact pack).
This battery pack is supplied with your SailForce winch, and you can place it wherever you want.
This pack includes a battery charger powered by 12 VDC.
As soon as you are not using your electric winch, the SailForce battery recharges automatically and gently from the 12V network of your service batteries, consuming only 6A.
This low current consumption completely preserves your service batteries.
SailForce consumes 2 to 3 times less energy
than conventional engines at maximum load
The table below gives for SailForce and for conventional engine solutions with one or two motorized speeds:
The maximum load per winch size (in kg)
The current intensity on the battery (12 V service battery or 30V SailForce battery) for tow the maximum load (in A)
The electrical energy consumption in Wh to tow the maximum load on 1m
Conventional solutions require between 130 and 380 A, accelerating the aging of your service batteries.
The data in this table comes, on the one hand, from performance tests carried out on SailForce, and on the other hand, from public performance data on the various conventional technologies :
Sailforce preserves the service batteries
of your boat
The motors of traditional electric winches consume extremely energy
The maximum load per winch size (in kg)
The current intensity on the battery (service battery 12 V or 30V SailForce battery) to tow the maximum load (in A)
Electric energy consumption in Wh to tow the maximum load over 1m
Conventional solutions call for between 130 and 380 A accelerating aging of your service batteries.