Introduction to Pitot-Static Systems in Gliders

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Discussion Overview

The discussion centers around Pitot-static systems in gliders, exploring their importance in aviation, particularly in the context of glider instrumentation and the integration of modern technology in flight simulation. Participants share insights on the physics involved in gliding, the evolution of instruments, and the role of mathematics in cross-country racing.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification

Main Points Raised

  • One participant notes the significance of physics in piloting gliders, emphasizing its critical role in cross-country racing and the necessity of mathematical knowledge.
  • Another participant provides a positive acknowledgment of the instrumentation summary, indicating it is informative.
  • A later post highlights the modern advancements in instrument clusters, mentioning that airspeed is the only purely pneumatic analog instrument still in use.
  • Discussion includes the addition of collision avoidance systems in gliders, comparing them to TCAS systems in airliners.
  • Participants discuss the need for new control input devices in modern gliding, such as a built-in mouse for pilots.
  • One participant shares information about a satnav device designed for gliders, which includes emergency messaging features, linking it to historical inventions by Thomas Edison.

Areas of Agreement / Disagreement

The discussion includes a variety of perspectives on the evolution of glider instrumentation and the integration of technology, with no clear consensus on specific points raised.

Contextual Notes

Participants reference the historical context of certain devices and their modern applications, but there are no detailed technical specifications or mathematical formulations provided, leaving some assumptions and technical details unexplored.

anorlunda
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Like many others, I have been seeking new and fun things to do during a pandemic.   I decided on the new Microsoft Flight Simulator 2020, but the Condor 2 Soaring Simulator is my intermediate step.  I am certified as a pilot, including gliders, but I have not flown for many years because of the expense.   These simulators will allow me to join much of the fun and to greatly increase my skills, while semi-quarantined.
Of course, physics is vitally important to all pilots, but in a glider, it is more so.  Much more so.   Especially cross-country racing in a glider requires extensive knowledge of physics and the use of mathematics.  As an engineer, I am also interested in the design of the instruments and procedures as well as their use.   What I discovered after some brief research is that the use of air pressure in aircraft avionics is a topic including the old and new, the smart and dumb, man versus machine, as well as the universal engineering qualities common to any instrument:  ...

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An excellent summary on instrumentation and more.
Thank you!
 
worth reading, thank you!
 
Here's a view of a more modern instrument cluster. Airspeed is the only purely pneumatic analog instrument remaining.

In addition to the functions described in the article, collision avoidance is an important new addition. Compare that to TCAS collision avoidance in airliners.

1601556190969.png


With all this digital stuff, a totally new control input device is needed in addition to stick and rudder; a mouse. The picture shows the built-in mouse for use by the pilot.

1601556343841.png
Not shown is a spot satnav device that attaches to the pilot's parachute. It has an emergency SOS button, and also a button to send texts to your friends saying, "I'm OK" or "I landed at GPS coordinates X,Y, please come with the car and the trailer. That's wonderful when out of cell phone or VHF radio range.
1601556922394.png


By the way, the idea of having a device that sends prearranged messages at the push of a button was invented by Thomas Edison. For example, "Help, I've fallen and I can't get up." Edison's device had 10 possible messages, so Edison also invented the device below to make it easy for untrained customers to use. I love the idea that a satnav device still uses Edison's invention.

1601556833863.png
 
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