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Statorade 10ml motor cooling system Ferrofluid
Statorade 10ml motor cooling system Ferrofluid
Statorade 10ml motor cooling system Ferrofluid
Statorade 10ml motor cooling system Ferrofluid

Statorade 10ml motor cooling system Ferrofluid

  • Ferrofluid statorade 10ml  Capacity: 10ml Producent: Grin Technologies
18,48 €
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Ferrofluid statorade 10ml for engine cooling

Original Statorade by the Canadian company Grin Technologies used in many engines as an additional cooling protection.

Approximately 5ml of this fluid injected into a hub motor will more than double the ease of heat flow from the stator of your motor to the motor shell without any noticeable increase in motor drag.

Dosing depending on the width of the magnets in the motor:

35-45mm- 7ml
45ml-55ml -10ml

TIP: Remember that ferrofluid is a consumable. It dries up over time. Depending on how much you heat the motor, the average ferrofluid operation time is about 6 months. After this period, the motor should be opened and checked if ferrofluid is still present. If it has dried out due to high motor operation (high currents, no heat sinks, etc.), remove the remaining sediment and apply a new portion.

How it's working?

A direct drive hub motor produces heat inside the stator, but the heat has no easy way to escape because it is surrounded by trapped air. It is possible to cool the motor with vents and active outside air blowing, but this exposes the engine to weather conditions. Alternatively, filling the motor with oil will cool the stator windings quite well, but with a significant increase in motor drag due to fluid drag and a huge sealing challenge to prevent oil leakage.

With Statorade, a small amount of liquid is enough to achieve the same effect. Nano-magnetic particles suspended in low-viscosity oil concentrate the liquid in the magnetic air-gap of the engine. This is exactly where heat must be transferred via fluid convection between the motor stator and the motor shell, where the heat can then be easily dissipated to the environment by the flowing air flow.

The magnets on the rotor trap the fluid in a gap so that it cannot splatter and leak through ball bearings or cable wiring, as is the case with normal oil cooling tests. It turns out that only a small amount of Statorade fluid is needed to achieve heat transfer, with a negligible effect on the motor rolling resistance.

1. Remove the cover from the freewheel side (easier than the wiring side).
2. Using the dispenser, add ferrofluid evenly into the gaps between the magnets around the motor until the container is empty.
3. Seal the cover with new silicone / sealant and close the motor.

Caution: After applying ferrofluid, the maximum motor temperature is lower than without ferro and is approximately 120-130 degrees (compared to 140 degrees without ferro). Heating the motor to a temperature of 140 degrees Celsius in the presence of ferro may overheat the magnets and damage them or detach them from the motor housing and the need to stick them later.
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