cold/warm weather forward speed canopy

[Fab 0]

Just a quick question which is on my mind for some time now...

Does very cold or very warm weather has any influence on the forward speed on a canopy? If so...what exactly? Can I expect to have a faster canopy in the summer for instance?

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[marks 0]

yes, your canopy will travel faster in warmer weather.

when the air is thinner you travel faster, when thicker you travel slower.

same for jumping at different altitudes, in colorado, 5000 ft above sea level, you will travel across the ground quicker than you would at sea level, because of the thickness of the air.

google,: "density altitude" for a further explanation.

[squirrel 0]

but wouldnt warmer air be able to hold more water, therefore be thicker.

i do believe humidity makes a difference.

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Where is Darwin when you need him?

[drdive 0]

The 3 H's, High, Hot, Humid, all lower density and increase canopy speed. In other words, the higher, the hotter, and the more humid it is, the faster your canopy will fly.

"We saved your gear. Now you can sell it when you get out of the hospital and upsize!!" "K-Dub"

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[FrogNog 1]

Water fully dissolved in air is a gas, and because of Boyle's law (I believe), and the fact that H2O has a smaller atomic weight than either N2 or O2, water dissolved in air actually makes the air less dense, not more dense.

This is part of why air containing water that evaporates out of the ground rises and forms clouds.

Now, water in liquid form suspended in air is a different story. We usually refer to this as "industrial haze" and I don't think that's what you were asking about.

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Pull.

[marks 0]

Quote

but wouldnt warmer air be able to hold more water, therefore be thicker.

i do believe humidity makes a difference.

can hold more water.

feels thicker.

but is a higher density altitude.

so you travel faster.