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WARNING! Any change to the configuration of the wing will invalidate certification!
The only change allowed is to the length of the lower brake line. This should only be done
by an experienced person.
Position of the brakes
The UP Meru is delivered from the factory with what we feel is the best brake position for most
pilots. But tall or short pilots, or those with a harness with non-standard attachment points might
consider it necessary to change the position of the brake handles.
If the brakes are to be shortened, it is extremely important to avoid the adjustment affecting the
glider's trim speed. There must always be some slack in the brakes when they are fully released.
This can be checked with the glider inflated above the pilot's head. There should be a noticeable
bow in the brake lines, and the brakes should be having no effect on the shape of the trailing
edge.
If the brake lines are to be lengthened, it is important to ensure that the pilot can still stall the
canopy (i.e. during extreme manoeuvres or landing) without the need to take wraps.
If you do feel the need to change the brake line lengths, do so a little (3-4 cm) at a time, and
preferably whilst at an easy training slope. Check especially that both lines are the same length,
as any asymmetry will lead to tiring and possible dangerous flying characteristics.
If you have any questions or concerns with reference to the brake line lengths then seek advice
from either your UP dealer or directly from UP International.
BEWARE! Loose or incorrect brake knots can cause serious accidents through loss of
the steering of the glider!
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