PG – 10% Braking Reduces Pitch Stability – Crestline Soaring Society

PG – 10% Braking Reduces Pitch Stability

This topic has 3 replies, 2 voices, and was last updated 1 year, 6 months ago by Bille Floyd.

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May 29, 2023 at 7:42 PM #18253

Jerome Daoust
General Member

This presentation by Bruce Goldsmith, and related follow-up by Malin Lobb, explains why flying with 10% brake on a paraglider reduces the pitch stability of the wing.

Related discussion on PG Forum: Question about Bruce Goldsmith video 10% brake.

Gear evolves, and we adapt.

June 1, 2023 at 1:50 AM #18267

Bille Floyd

I have bin flying PS since 1989 , and never even once , considered what a bit of break would

do ; other than increase cell pressure a bit .

Bille

June 1, 2023 at 12:43 PM #18270

Jerome Daoust
General Member

Hi Bille.
From PGT > Dealing with Turbulence…

Wing pressurisation myth. Pressure inside the wing is only dependent on airspeed, so braking and slowing down the wing, will decrease the wing’s internal pressure.

Braking has other effects and benefits, but people often oversimplify and incorrectly assume it is from increased internal pressure. The myth lives on.

June 2, 2023 at 1:10 AM #18274

Bille Floyd

Something , somebody told me , near 30 years ago ; and I believed it . :(

Thanks for clearing that Up — Jerome !!!

Bille
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