GIN Vantage - Manual (Page 8)

8
Brake lines
The main brake line lengths of the Vantage correspond to the tested results of LTF. These line
lengths have been fine-tuned by GIN test pilots, and it should not be necessary to adjust them.
During flight, it is common to fly with half a wrap on the brakes (half a turn of brake line around
the hand). However, care should be taken to release the wraps in any extreme situation as
maintaining the wrap can prevent normal recovery behaviour.
To check the brake line lengths, with an ordinary harness and your motor unit on your back,
ground-handle the wing above your head. When the wing is nicely level, check that when the
brakes are up against the brake pulleys, the trailing edge of the wing is not being pulled down--
the brake lines should have a “bow” in them. Then, as you gently pull the brake you should have
only a few centimetres of movement before the brakes start to pull down on the trailing edge of
the wing. Make sure it is the same length on both sides. It is safer to have this adjustment too
long than too short as the slack (free travel) is necessary to ensure that the trailing edge is not
braked when the wing is fully accelerated.
If you do choose to adjust your brake lines, we recommend a double sheepshank or a bowline
knot for the brake handle attachment as shown in the diagram.