FlightGear Newsletter September 2015

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September 2015

Development news
New ATC-pie release
In the hangar
F-15 updates
Space Shuttle

Scenery Corner
Movable jetways
Community News

Contributing
Translators required
FlightGear logos
Screenshots
Screenshot of the Month

Development news

New ATC-pie release

ATC-pie logo.
ATC-pie route details dialog

A new release (r7) of ATC-pie was made available this month, whose most visible addition is a route details and map view dialog. It allows to review the analysis ATC-pie makes of assigned routes, otherwise only written in a linear string form on the strips and flight plans. It also includes a flight time estimation given a speed or an aircraft type. A text chat sender blacklist was also introduced because of recent trolls spoiling the fun in the some places.


In the hangar

F-15 updates

F-15C Over the Alps (with updated livery)

The McDonnell Douglas F-15 Eagle has received updates to the flight dynamics, external texturing, cockpit audio warnings (voice and tone), external lighting and liveries. It was observed that the chosen fixed update rate for the Canvas instruments was taking a disproportionate amount of time, so a frame rate adaptive update for these elements has been added which improves things at lower frame rates.

V1.2e Changes

  • Improved external lighting, new lighting dialog in the GUI.
  • Corrected stall warning tones, added over-g (OWS) warning tones and vocal warnings for OWS, Caution and fuel.
  • Canvas optimisations for low frame rates
  • Fix weapon selection after load when master arm selected.
  • Improved view positioning for front & backseat.
  • Reinstate comm radio support
  • FDM: Overload Warning System (OWS) limits added
  • FDM: Pitch/Roll ratio improvements (pitch ratio now takes into account CG% MAC).
  • FDM: Aileron Rudder Interconnect (ARI) system improved using the schedule in NASA-TM-72861, Figure 23
  • FDM: Corrected lateral position of external wing tanks for mass
  • FDM: Nose Wheel Steering operates in two modes; normal and the maneuvering mode
  • Improved external textures. Liveries added for 48th FW, RAF Lakenheath and 131st FW, Lambert St. Louis ANG.

Changes will be in 3.6, available in FGAddon and on the development site.


Space Shuttle

Space Shuttle avionics

Work has started on re-creating the avionics of the Space Shuttle in FlightGear. For the late Shuttle fleet, this is a mixture of two layers - the interaction with the data processing system (DPS) is just as for the early Shuttle fleet (without glass cockpits and CRT screens) via text menu items. The new Shuttles have this structure embedded in the Multifunction Electronic Display System (MEDS) which offer the features of a fairly modern glass cockpit.

The simulated avionics has both these layers - here is an example of the universal pointing mode (attitude control) with the MEDS structure (edge-key controlled) on the bottom and above the DPS screen structure with which the pilot interacts via keyboard.

Commands are entered as strings referencing items on the display, for instance the sequence ITEM 9 + 88.5 shown on the scratch line would set item 9 on the screen to the value of + 88.5 (if possible).

Automatic attitude control and guidance routines are developed alongside with the avionics. As of September 2015, there is support for body vector inertial pointing, tracking of Earth or the Sun and tracking a specific location on Earth as well as fully automated OMS burns.


Scenery corner

Movable jetways

Animated jetways have been updated or added also to:

Community news

Contributing

Translators required

En.gif The FlightGear Wiki still needs help for translating it into various languages. If you are interested in making the FlightGear Wiki multi-language then start at Help:Translate.
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Pt.gif A wiki de FlightGear ainda necessita de ajuda para traduzi-la em vários idiomas. Se estás interessado em tornar a wiki de FlightGear multi-lingual, por favor começa em Help: Traduzir.

FlightGear logos

If you want some graphic elements for your FlightGear-related site (such as a hangar or YouTube channel), please feel free to visit FlightGear logos for a repository of logos. And if you have some art skills, please don't hesitate to contribute with your own design creations.

Screenshots

The FlightGear project always needs screenshots, which show features that were added since the last release. These should be of good quality, especially in content and technical image properties. It is therefore recommended to use the best viable filter settings (anti-aliasing, texture sharpening, etc.). More info at Howto:Make nice screenshots.

Screenshot of the Month

The winner of the September screenshot contest on the forum is:

Cessna C172P flying over the Lake of Constance. By DG-505

Thanks for the great entries everyone! Please remember next month's contest!