pump has a rubber diaphragm that may
need to be replaced.
Many companies offer a carburetor
rebuilding kit, so before you notice a
drastic change in engine performance,
disassemble the carburetor, clean out
each component with carburetor cleaner,
return the “high” and “low” needles to
the factory-recommended settings, and
replace the diaphragms.
You should not overlook the engine’s
spark plugs. Routinely remove the spark
plug(s). Excessive carbon buildup can
lead to poor engine performance.
Preparation can make the difference
between completing a competition
or not. In an ideal world, pilots could
foresee the future and what problems
they may face, or, they would be able to
bring their entire workshop with them!
However, this is far from a reality!
It is important to know which spare
items you should bring to an event
and how to best prepare for that
competition. Every measure must
be taken to ensure that the pilot is
focused and that his or her aircraft is
always prepared for the next flight.
After all, every flight counts during a
Until next time, fly hard!
International Miniature Aerobatic Club (IMAC)
122 Model Aviation APRIL 2014