Svend_Dellepude Posted February 7, 2009 Posted February 7, 2009 After sending my wingie on recon a had a bunch of datalink targets stored. I did a sudden stop, nose pitch up 80 degrees or so, which caused the engine alarm to start beeping and some systems to shut down momentarely, and then initiated a hover. when everything was back to normal a looked at the abris and all target data was gone. My question is: why is the data gone? :joystick: [sIGPIC][/sIGPIC] Win10 64, Asus Maximus VIII Formula, i5 6600K, Geforce 980 GTX Ti, 32 GB Ram, Samsung EVO SSD.
ruprecht Posted February 7, 2009 Posted February 7, 2009 It all fell out, it's lying back there on the grass with your main gearbox. DCS Wishlist: | Navy F-14 | Navy F/A-18 | AH-6 | Navy A-6 | Official Navy A-4 | Carrier Ops | Dynamic Campaign | Marine AH-1 | Streaming DCS sometimes:
Svend_Dellepude Posted February 7, 2009 Author Posted February 7, 2009 It all fell out, it's lying back there on the grass with your main gearbox. LOL together with my brain and manhood after several years of hardcore drinking. :doh: [sIGPIC][/sIGPIC] Win10 64, Asus Maximus VIII Formula, i5 6600K, Geforce 980 GTX Ti, 32 GB Ram, Samsung EVO SSD.
bumfire Posted February 7, 2009 Posted February 7, 2009 LOL together with my brain and manhood after several years of hardcore drinking. :doh: LOOOOL
miguez Posted February 7, 2009 Posted February 7, 2009 (edited) After sending my wingie on recon a had a bunch of datalink targets stored. I did a sudden stop, nose pitch up 80 degrees or so, which caused the engine alarm to start beeping and some systems to shut down momentarely, and then initiated a hover. when everything was back to normal a looked at the abris and all target data was gone. My question is: why is the data gone? :joystick: Hi Svend, The beeping you heard was the low RPM warning. Your generators, which provide AC power to a lot of the systems and avionics in the helo, are driven by the main gearbox. If the rotors slow down enough, the main gearbox is not spinning the generators enough for them to produce electrical power. So what happened is when you performed the aggressive pitch up, the rotors slowed down, the main gearbox slowed the spinning of the generators, and the electrical bus was denied energy for a small moment. Kind of like when in some airliners, right after engine start you'll see the cabin lights blink. That happens for a different reason, but the "blink" is what happened to your helicopter. The targets you had entered into your ABRIS are stored in volatile (RAM) memory. When the electricity flow stopped, they were lost. Best regards, Edited February 7, 2009 by miguez
Svend_Dellepude Posted February 7, 2009 Author Posted February 7, 2009 Thanks! Thought it was something like that happening to me. I was however aware of what the beeping and the blipping meant but didn't know if the data was stored in a RAM sort of thing, or on a flashdrive sort of thing. [sIGPIC][/sIGPIC] Win10 64, Asus Maximus VIII Formula, i5 6600K, Geforce 980 GTX Ti, 32 GB Ram, Samsung EVO SSD.
David A Sell Posted February 8, 2009 Posted February 8, 2009 Simply awsome how detailed this sim is :thumbup: Home-Built Rig - | ASUS TUF Z390-Plus| i9 9900k | 2080ti | 32g G.SKILL TridentZ |Samsung 970 evos | Tagan 1100w PS | Warthog Hotas | Track ir 5 | Saitek Pedals | PFT Collective
ruprecht Posted February 8, 2009 Posted February 8, 2009 Miguez, not to doubt your explanation, but I would expect that the electrical systems would be driven off the batteries, with those being charged by the generators, rather than being driven directly off the generators. This would smooth out the differences in current caused by varying Nr. Of course I have no alternate explanation, nor information specifically about the Ka-50 so I might be completely wrong, but it's my natural skepticism kicking in. It seems like a funny way to design an electrical system. DCS Wishlist: | Navy F-14 | Navy F/A-18 | AH-6 | Navy A-6 | Official Navy A-4 | Carrier Ops | Dynamic Campaign | Marine AH-1 | Streaming DCS sometimes:
JaBoG32_Prinzartus Posted February 8, 2009 Posted February 8, 2009 Reasonable explaination, but you should keep batteries on during flight as "buffer" to ovrecome such issues. Make sure battereis are on, then you should not experience data loss, as your ABRIS computer. Am I right? Windows 10, I7 8700k@5,15GHz, 32GB Ram, GTX1080, HOTAS Warthog, Oculus Rift CV1, Obutto R3volution, Buttkicker [sIGPIC][/sIGPIC] ЯБоГ32_Принз
nemises Posted February 8, 2009 Posted February 8, 2009 I might have the system's reversed here, but some systems run off AC power, and some off DC power...the Batteries supply DC power (?) , and so those devices stay powered when generator RPM drops, however, those that take AC power directly off the generators (TV Screen, datalink, etc..) will drop off the grid. Batteries should be on all the time (or at least as soon as your geenrator starts accumulating power, which is when enginge RPM reached %80+)
miguez Posted February 8, 2009 Posted February 8, 2009 Howdy, The batteries do stay on for the entire flight, but they do not provide electrical power for the K-041 Targeting and Navigation System. This system works with AC power. The batteries, even though providing DC power, can provide AC power via an inverter (ON by default when you get in the cockpit), but not enough to run all AC systems. A good way to see this is to have the helicopter fully running on the ground, with all systems on, then turn off left and right generator switches (switches also on the Wall Panel). The Shkval screen will die. So will the Data Link system, which is the system with the RAM that we need operational to transmit the targeting information to the ABRIS. Other systems will not function either, including parts of the Autopilot. Hope that makes sense.
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