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/images/notams/notams20/lead0908.jpgDC-3 Development Update 5: Systems simulation part II - AutomaticPilot: The simplified version. Hey all you! Been about 1 month and a half since the lastupdate. Due summer, family vacation, and a couple other obligations,the development speed was at minimum, but now I am cranking the speedup towards the final stretch. Also the rhythm of development updates,will return to normal, around 1 per 2 weeks. Enough of that, let'smove on, and let's talk about Auto(matic) Pilots! HistoryThe original DC-3 was equipped with the Sperry Type A-3A AutomaticPilot (see the difference in the wording?), a 1930's system. I willnot analyze the operation here, but in a next update, dedicated to theoriginal version that will be simulated as well. In short, Theautomatic pilot, based on pneumatic operation, was developed tocorrect the angular deviations from straight and level flight, so WWIIera bombers (like the B-17 Flying Fortress) become somewhat stableplatforms for weapons (bombs) delivery. RationaleYou can might imagine, that the operation was not very accurate,which led to development of the A-5 version later, during theWWII. During the development of our simulation, and after a longhunting for gathering good information since the use of the automaticpilot was mostly avoided(!), was obvious that in a flight simulationenvironment, will be extremely difficult to perform a controlledflight with ease. Overcompensation due to slow roll rates was a thingin the real aircraft, imagine in the sim! This led us to the decisionto have a simplified version of the automatic pilot as well, as anoption. Again, this does not means that the simplified version willallow to perform complex navigation tasks, but an "easier" method tocontrolled aircraft’s attitude, by the same means with the originalversion. SelectionYou will be able to select the mode you want to through the menu,where you will find a short description. Make sure that you select theversion of the automatic pilot you want to fly with, either beforeflight, or with automatic pilot disengaged, to avoid any unintendedflight path changes, or loss of aircraft control. Source Leading Edge Simulations Douglas DC-3 v2 Previews
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/images/notams/notams20/lead0507/dc3-1.jpgWe are pleased to announce the Douglas DC-3 v2 is near release!This has been in development for the better part of a year and a half,and it will be a significant upgrade to the current DC-3 that LES hashad on the market since 2012. In comparison, it will be multitudesmore realistic in systems simulation that you have come to expect fromLeading Edge Simulations, and further, the 3D modeling and texturinghas huge upgrades as well. Flight ModelAccurate flight characteristicsAccurate engines performanceAccurate weight and balance model /images/notams/notams20/lead0507/dc3-2.jpgSystemsComplete simulation of all aircraft systems including: ElectricHydraulicPneumaticCustom Sperry A-3A Automatic Pilot simulationCustom fuel mixture logic for Auto-Lean and Auto-Rich functions.Custom lightingGraphicsAccurate reprecentation of the DC-3 aircraftFull use of PBR materials with extreme weathering effects /images/notams/notams20/lead0507/dc3-3.jpgSoundslete FMOD sound package by AudioBirdXEffectsFull custom effect package including: Engine exhaust smoke and heat blurProps vapor condensation depending on ambient humidityUI (User Interace)Modern X-Plane 11 type User Interface for: Maintenance: Keeping track of aircraft and engines operating hours and execute maintenance as requiredOptions: Hardware options for differential braking and/or throttling during taxi, external power connection, and moreAircraft Loading: Adjust number of passengers per compartment, cargo weight per loading area, fuel loading per tank, with repspective CG diagramChecklist: Complete checklist for all flight phases.Source