stackyFACTS
Technology

Ramming air into forward tubes measures fluid speed

HERE’S THE INTERESTING PART

Determining how fast a commercial jet is moving relies on an incredibly crude concept. Pitot tubes are literally just hollow metal spikes pointing straight forward into the wind. By measuring exactly how aggressively the oncoming atmosphere rams itself into the dead-end tube, the system deduces the precise forward velocity.

Ramming air into forward tubes measures fluid speed
STACKY / Technology
One discovery leads to another.

Keep exploring facts in this topic.

Technology →
STACKY FOR IPHONE

A bigger world.
One discovery
at a time.

Keep discovering with Stacky. Interesting facts in an app that is always within reach.

Download on the App Store
ONE MORE DISCOVERY?

Keep exploring

All in this topic →
Jimi Heselden proudly purchased the Segway company in 2010, firmly believing that the quirky two-wheeled motorized personal transporters were the undisputed future of urban mobility and green transportation.
Technology

Jimi Heselden proudly purchased the Segway company in 2010, firmly believing that the quirky two-wheeled motorized personal transporters were the undisputed future of urban mobility and green transportation.

Jimi Heselden proudly purchased the Segway company in 2010, firmly believing that the quirky two-wheeled motorized personal transporters were the undisputed…

Discover more
How to pump water uphill without electricity
Technology

How to pump water uphill without electricity

You can force water up a mountain without electricity just by repeatedly slamming a door in its face. A hydraulic ram pump lets water flow down a pipe until…

Discover more
Why motorcycle chains waste less power than belts
Technology

Why motorcycle chains waste less power than belts

Despite looking like dirty, clunky, medieval torture devices, metal chains are the undisputed kings of horsepower delivery. While rubber belts are quiet and…

Discover more
Why some rocket engines have no bell-shaped nozzle
Technology

Why some rocket engines have no bell-shaped nozzle

Traditional rocket nozzles look like bells, and they are incredibly inefficient because they only work perfectly at one specific atmospheric pressure. An…

Discover more
Chemicals make suspended dirt sticky enough to sink fast
Technology

Chemicals make suspended dirt sticky enough to sink fast

Microscopic clay particles suspended in dirty water possess identical electrical charges, meaning they aggressively repel each other and never settle to the…

Discover more
How compressed air turns into jackhammer force
Technology

How compressed air turns into jackhammer force

A pneumatic jackhammer uses absolutely no explosive fuel. Instead, incredibly high-pressure air continuously flips an internal valve back and forth. This…

Discover more
StackyMore discoveries in the app
Download on the App Store