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Markers on Airspeed Indicator


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Guest stevelep
Posted

I'm redrawing the KingAir Airspeed Indicator backgroung pict to put it in my simkits-ASI. I've not identified all the markersCould you help mered line 94 ktsblue line 124 ktssmall point 184 ktslarge point 204 kts3 brackets 95, 117, 168 ktsThank's if you could associate the corresponding speed referenceBOBhttp://forums.avsim.net/user_files/97045.jpgBOB

Posted

>I'm redrawing the KingAir Airspeed Indicator backgroung pict>to put it in my simkits-ASI. I've not identified all the>markers>Could you help me>>red line 94 kts>blue line 124 kts>small point 184 kts>large point 204 kts>Okay, I'll tell what I know."Blue line" is "Vyse", meaning "best rate of climb (Vy) single engine" - the speed that gives you best vertical speed when one engine has failed."Red line" is "Vmc", minimum controllable airspeed with one engine inoperative - meaning, below this speed, you dont have enough rudder authority to compensate to the differential thrust from the working engine, the plane will go to a nasty spin unless you pull power on the working engine as well and push the nose down to gain more speed.The best angle of climb with single engine (Vxse) is something between Vyse and Vmc, listed on the flight manual of the plane.The upper limit of the white arc (roughly 156kt on that gauge) is Vfe, max speed to extend flaps, but this you probably knew, since that is a common notation for all smaller airplanes too.The "tabs" are "speed bugs" that are often adjustable memory-aids on larger aircraft, as landing and rotation speeds depend on aircraft weight, though I think on the FS kingair gauge they are fixed in place - check what the King Air manual or kneepad (I think FS even comes with one, at least FS2002 had some kind of a manual for the thing) - probably some speeds there match with the bugs..? I *think* the "slowest" tab (~95) is Vref, landing speed - but I wont speculate on that since I am not familiar enough with those :-)//Tuomas

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