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Hammer Engines GmbH / IQ-Series / Instruction Manual
Introduction
The „IQ-Hammer“ RC model jet engines by Hammer Engines have the same functional
principles as their big counterparts. A high performance compressor compresses the ingested
air, which is then heated by fuel flame in the combustion chamber and the heat causes the air
to expand rapidly, enabling it to drive an axial turbine rotor, which in return drives the
aforementioned compressor via a shaft. This is called a closed loop setup.
The hot air leaves the engine at the exhaust cone at a speed in excess of 1000 km/h (621 mph),
generating the necessary thrust for the jet aircraft model. An electric starter motor and a new
electric kerosene ignition system allow for a fully automated engine control setup using
nothing but your transmitter. The system is controlled and monitored by the IQ-ECU control
unit, which checks and controls all parameters for their optimal values. This new generation
of model jet engines no longer requires auxiliary gases such as propane or butane. The
system and all of its components such as the fuel pump, kerosene ignition, valve and so forth
are powered by a separate.
The IQ-Hammer jet engines share the basic outer dimensions with their predecessors yet offer
more power (90N-180N).
The latest in CNC- and laser cutting technology allow for unprecedented standards in
precision, material properties and mechanical characteristics, ensuring both the highest
performance as well as durability. The included display/ programming unit (EDT or Engine
Data Terminal) comes equipped with an illuminated LC-Display and can be connected to (and
disconnected from) the running system at any time of operation in order to check on the
current operating data readouts or in order to change parameters. Besides current and effective
operating parameters such as exhaust gas temperature (EGT), turbine revolutions per minute
(rpm) and thrust (throttle), additional information such as total hours of operation, rpm and
temperature statistics, number of engine starts, battery voltage and so forth can be read out
and displayed.
All parameters and inputs are displayed in plain text in the menu-based interface. The turbine
is being started fully automatically via the transmitter’s throttle stick. The pilot then adjusts
the desired thrust by moving the stick proportionally. The IQ-H control unit is connected to
the R/C receiver via the R/C-1 output.
