Bathes the interior of your
engine with low humidity air preventing the formation of rust.
Reduces damage to internal
engine parts.
No installation required,
does not require FAA approval.
Helps reach TBO
The Black Max is the newest member of the
Engine Saver family. It functions similar to our other device,
in that it produces a continuous supply of dry, low humidity air
that is injected into the engine crankcase through the breather
tube. With the crankcase filled with air having a dew point
temperature that is lower than the temperature of the metal
engine parts, water will never form in the engine, and rust will
not develop.
The biggest difference between the Black Max and the other
Engine Saver device is the way in which the dew point of the air
is lowered. Previous units utilized a chemical drying agent,
with a colored indicator bead, to adsorb the moisture from the
air passing through it. When the indicating beads changed color
to pink, the material was no longer able to adsorb moisture. It
was then necessary to recharge the drying agent by heating the
material in an oven until the colored indicator returned to the
original blue color. The Black Max uses an electronic cooling
device to cool the air passing through it, condense the water,
and lower the humidity of the air in much the same way that an
air conditioner works. A low pressure pump pushes a flow of air
through a condensing unit that is cooled by a thermoelectric
device. As the air passing through the condensing unit is cooled
below its dew point temperature, water condenses and the dew
point of the air is lowered. The condensed water is collected
within the Black Max, and evaporated so that no moisture is
deposited outside the unit. The lower humidity air is then
inserted into the engine crankcase through the engine breather
as in our other devices.
The Black Max is capable of cooling the air passing through it
to temperatures below freezing. As the water condenses from the
air, ice will form in the condenser passages. To prevent the ice
from eventually blocking the air passages, it must be melted and
drained. A microprocessor is used to control the units
operation. On power up, the thermoelectric unit is turned on,
and the unit enters a cool down mode. Once the condenser has
cooled down, (about 4 min's ) the pump is turned on and air
flows through the condenser where it is cooled and its dew point
is lowered. The dry air then passes through the engine breather
tube and into the engine crankcase. After about 18 min's of
operation, the cooling unit and the pump are turned off and the
system enters a defrost mode where the condenser is heated to
melt any ice. The melted water is collected internally and
evaporated. After the defrost mode is completed, (about 8 min's
) the cycle repeats.
Four lights are mounted on the top of the Black Max case to
indicate the operating mode. A power on light illuminates when
110v AC is available. The unit requires about 60 watts of power.
The second light turns on whenever the thermoelectric cooler is
running. The third light illuminates when the pump is running,
and the fourth light turns on when the unit is in the defrost
mode. The system also incorporates a temperature interlock to
prevent high humidity air from being pumped into the engine,
should something in the system fail. If the temperature of
the condenser rises above a set value, the unit will
automatically shut down. When this occurs, the fan and the
cooler will turn off, and the cooler indication light will
flash, alerting of the shutdown. The system will stay in the
shutdown mode for about 30 mins. After this time, the system
will attempt to restart the cooling cycle
The unit will operate continuously without maintenance. Nothing
is attached to the engine, and it does not require any aircraft
modification, or FAA approval. At the end of a flight, simply
insert the adaptor into the engine breather, plug the system
into an electrical outlet, and go home knowing that your engine
is protected while you are not flying.
