Gin Vantage User Manual download pdf (Page 19)

Asymmetric deflation

In the event of encountering strong turbulence and suffering an asymmetric deflation (collapse

on one side), the Vantage will promptly and easily re-inflate without interference from the pilot,

but the course might alter slightly. This might be unwanted close to the ground or other gliders.

Maintain your course by weight shifting away from the collapsed side. This action can be aided

by applying a little force on the brake opposite to the deflation. This will normally be sufficient.

However, if the deflation fails to come out, pump the deflated side with a firm and smooth

pumping motion. Let the glider regain its flying speed after it has re-inflated.

Symmetric deflation

A symmetric (frontal) deflation will come out promptly without pilot input. The glider will regain

airspeed with a small surge. If counter braking, be careful not to over-correct.

Cravat / glider wrapped around lines

A cravat occurs after a severe deflation when the wingtip becomes trapped in the glider lines. It

is extremely unlikely to occur on the Vantage. Nevertheless, the pilot should be familiar with

the procedure for correcting it. Counter brake and/or weight shift and pump the brake on the

tangled side. On all Gin gliders, there is a separate stabilizer/winglet main line that goes down

to the C riser. This line usually comes slack in the event of a cravat. Pull it down completely

until it comes tight and the cravat normally comes out.

Cascade of events

Many reserve deployments are a result of a cascade of over-corrections by the pilot. Please

note that over-corrections are often worse than no input at all.

Flat spin

In normal thermalling flight, you are very far from the limits of a flat spin. Nevertheless, should

this occur, just let up the brakes and wait for the glider to surge forward.

Full stall, dynamic stall

This is an extreme manoeuvre and there should never be any need to perform one.

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Gin Vantage User Manual Page 19