Simicro Posted October 9, 2015 Posted October 9, 2015 Hi all, I would be grateful if someone could offer an explanation to this: when the rotor pitch goes beyond an approximate value of 14 degrees, the needle of the gauge returns to 1 !?!? - Tony - . My Reviews: Oilfield Campaign - Argo Campaign l My Mission: Huey Ramp Start Voice-Over New! . Microsoft Force Feedback 2 base modded with a CH Fighterstick - VKB Sim T-Rudder Mk.IV Pedals . Intel i5 4670K @4.3 GHz - 32 Gb DDR3 - MSI GTX 1080 - ASUS PG278QR 27" 2K @165 Hz G-Sync
iFoxRomeo Posted October 9, 2015 Posted October 9, 2015 Dude, watch your rotor rpm. The generators are offline, because your rotor rpm is below threshold, for activating the generators. And you're overstressing your engines. Look at the egt! Way too much collective pitch! Fox Spoiler PC Specs: Ryzen 9 5900X, 3080ti, 64GB RAM, Oculus Quest 3
AlphaOneSix Posted October 9, 2015 Posted October 9, 2015 Are your 115V and 36V switches set properly on the right hand electrical panel? They should normally be in AUTO during flight but they could be in MANUAL as well. If those switches are OFF (center position) and your generators fail (which they probably did judging from the screenshot) then the rotor pitch indicator has no power and goes back to 1 (the minimum indication). I just tested this with the most recent 1.5 and with maximum collective pitch, the rotor pitch indicator works just fine, even when the generators fail.
Simicro Posted October 9, 2015 Author Posted October 9, 2015 Thank you both for your help. I have DCS 1.2.16 Please find below the image of the electrical panel at the beginning of mission 17 of the Mi-8 Spring Tension campaign. 115V and 36V are on AUTO. Should I turn the black rotating button? If yes, to which value please? - Tony - . My Reviews: Oilfield Campaign - Argo Campaign l My Mission: Huey Ramp Start Voice-Over New! . Microsoft Force Feedback 2 base modded with a CH Fighterstick - VKB Sim T-Rudder Mk.IV Pedals . Intel i5 4670K @4.3 GHz - 32 Gb DDR3 - MSI GTX 1080 - ASUS PG278QR 27" 2K @165 Hz G-Sync
AlphaOneSix Posted October 9, 2015 Posted October 9, 2015 I don't currently have a copy of 1.2.16, so can't test directly, but... You could test this on the ground (in any mission) with the aircraft running and fully prepared for flight) by turning off just the two generator switches and then making minor collective movements and see of the pitch indicator is working. Note that when you turn off both generators, you should see the PO-500 light illuminate (it's right below the 115VAC switch on the bottom right side of the panel in your screenshot.
Simicro Posted October 9, 2015 Author Posted October 9, 2015 Thank you AlphaOneSix, I will try and report back. - Tony - . My Reviews: Oilfield Campaign - Argo Campaign l My Mission: Huey Ramp Start Voice-Over New! . Microsoft Force Feedback 2 base modded with a CH Fighterstick - VKB Sim T-Rudder Mk.IV Pedals . Intel i5 4670K @4.3 GHz - 32 Gb DDR3 - MSI GTX 1080 - ASUS PG278QR 27" 2K @165 Hz G-Sync
Simicro Posted October 9, 2015 Author Posted October 9, 2015 I turned off both generators and the pitch indicator is not responding anymore to collective movements. And the "INVERTER ON" light illuminated indeed. - Tony - . My Reviews: Oilfield Campaign - Argo Campaign l My Mission: Huey Ramp Start Voice-Over New! . Microsoft Force Feedback 2 base modded with a CH Fighterstick - VKB Sim T-Rudder Mk.IV Pedals . Intel i5 4670K @4.3 GHz - 32 Gb DDR3 - MSI GTX 1080 - ASUS PG278QR 27" 2K @165 Hz G-Sync
AlphaOneSix Posted October 9, 2015 Posted October 9, 2015 Hmm... Well I wish I had a copy of 1.2.16 so I could check it for you myself, but that may be a problem with that version since I can't replicate it in 1.5.0. Seems like a problem in the electrical system. The main rotor pitch indicator needs 3-phase 36VAC power, which it normally receives from the TS310S04B transformer which is fed from the main generators. The TS310S04B transformers are always on as long as they are getting power from the generators. If the generators both fail, then 3-phase 36VAC power comes from the PT-200Ts inverter, which is fed from (I think) the battery bus. The PO-500A is also an inverter that's fed from the battery bus. The PO inverter has a light (INVERTER ON) but the PT inverter does not, but losing both generators should get them both to come on, hence why I asked to verify the INVERTER ON light. Just to cover all of our bases, and to make sure I'm not incorrect somewhere, you can try this: Just before you do the test, start the APU and turn on the standby generator. This will check to make sure that the PT-200Ts inverter is on the battery bus or if it's on the APU bus. It is possible that the PT-200Ts 3-phase 36VAC inverter requires 27VDC power from the standby generator and not just the batteries. 1
Simicro Posted October 10, 2015 Author Posted October 10, 2015 Thanks for all your explanation AlphaOneSix. I can live with this. When 1.5 is officially released I will try again and let you know if the problem is solved. - Tony - . My Reviews: Oilfield Campaign - Argo Campaign l My Mission: Huey Ramp Start Voice-Over New! . Microsoft Force Feedback 2 base modded with a CH Fighterstick - VKB Sim T-Rudder Mk.IV Pedals . Intel i5 4670K @4.3 GHz - 32 Gb DDR3 - MSI GTX 1080 - ASUS PG278QR 27" 2K @165 Hz G-Sync
AlphaOneSix Posted October 11, 2015 Posted October 11, 2015 No help but a little update. I looked up how this works in the real aircraft, and it should indeed work with just batteries and inverter power. So it's a bug in 1.2.16 but all development resources have shifted away from that branch, so the fix is going to be to wait until 1.5.0 is released (non-beta). On that note, there is a tiny bug (that I've reported) with this indicator in the current 1.5.0 branch, but you have to perform steps out of sequence with the checklist in order to notice it, and if you follow the checklist properly, you will never notice it. I wonder if anyone could spot it? :evilgrin:
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