10
In turbulence
The Boomerang has a high internal pressure, resistance to tucking and a very high degree of
passive safety. It is however still high performance glider that, despite being among the
safest in its class, demands an active flying style. The key to active piloting is keeping the
glider above your head at all times. If it falls back behind you, let up the brakes. If it surges in
front of you, counter brake until the surge is controlled. While thermalling in strong
conditions, you will sometimes find it necessary to raise the angle of attack temporarily on
the outer wing to avoid a deflation because of downstreaming air on the outside of the
thermal. Always let the glider regain airspeed after such an action. When thermalling in weak
or broken conditions, you will find the Boomerang a very easy glider to fly; it will support the
pilot with a very well behaved and effective character in coring all those elusive thermals.
Flat spin
In normal thermal flight, you are very far from the limits of a flatspin. Nevertheless, should
this occur, just let up the brakes and wait for the glider to regain forward speed. A deflation
might sometimes occur exiting a spin. Take appropriate action against it according to the
descriptions below.
Asymmetric deflation
In the event of encountering strong turbulence and suffering an asymmetric deflation, the
Boomerang will easily keep it’s flying direction by applying a little force on the opposite brake.
If you pump the deflated side with a big pumping motion (0-100% of the brake travel), or hold
the brake on the deflated side all the way down, the deflation will promptly come out.
Remember to let the glider regain its flying speed after it has reinflated
Frontal deflation
If you feel it coming, first step off the speedbar. You may have to quickly pull both brakes
all the way, but for no more than one second, to avoid the deflation. Reg ain airspeed. If a
deflation has already happened, you might quickly pump both brakes to help it come out
quicker. If you don’t take action, it will come out by itself within a few seconds. The glider
does not respond with a deep stall. When counterbraking, be careful not to stall the glider.
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