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Everything posted by grafspee
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@Mrtanqueray Flaps dose not affect stall AoA, they increase lift with cost of the drag but flaps don't affect stall characteristic of the wing, for this purpose you have slats.
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Nobody complained about old guns sounds, so ED changed those, and now ppl are complaining. Imho, those changes in gun sounds didn't go well.
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This bug still in OB MT
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Turbosupercharger Use: 7000ft? 12000 ft? 3500 ft?
grafspee replied to Istari6's topic in DCS: P-47 Thunderbolt
Other factor is RAM air, this thing adds boost depends on airspeed, faster you flying more additional boost you get. So in manuals those values are given for static or with out RAM air. Thing that you could get 35" at 7800ft is affected by ram air, if you level out and let plane accelerate you will notice that MP will go up. When i said that w/o turbo you can get 45" MP it only match for static or w/o Ram air, if you close boost lever and enter dive you will get even +50" w/o turbo. So critical alt for supercharger is affected by speed. -
Turbosupercharger Use: 7000ft? 12000 ft? 3500 ft?
grafspee replied to Istari6's topic in DCS: P-47 Thunderbolt
Single stage single speed supercharger is permanently connected to engine crankshaft and there is no power surge or kick in behavior because those are related to dual speed superchargers like in P-51 or Spitfire where at certain alt high speed kicks in. -
Turbosupercharger Use: 7000ft? 12000 ft? 3500 ft?
grafspee replied to Istari6's topic in DCS: P-47 Thunderbolt
Those guides does not provide full picture, they pull some quote from manuał w/o background. P-47's engine is equipped with single stage single speed supercharger and on top of that you have turbocharger. 45" is max MP achievable w/o turbocharger at SL, if you want more MP you have to use turbocharger (Boost lever). If you take off w/o turbocharger at 45" then during climb MP will drop because ambient pressure drops with alt. Full picture is that P-47 unlike P-51 for training purposes was operated with 91 octane fuel which lowers max allowable MP, for take off 40" and for climb 35" with those limits use of turbocharger below 7k ft wasn't necessary. -
Don't know about anybody else but K-4 is the last plane in which i would use manual cooling. This one is the least overheating plane even before cooling update.
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Engine cutting out at around 17,000 ft
grafspee replied to Davros23's topic in DCS: Spitfire L.F. Mk. IX
Electric pump in later models but in check list before start you have to operate electric fuel pump for 30s and the turn it off, because spitfire starts with mixture lever in operation position on the contrary to P-51 which starts with mixture in cut off position. -
Engine cutting out at around 17,000 ft
grafspee replied to Davros23's topic in DCS: Spitfire L.F. Mk. IX
I was there too, wondering why my spit cutting off at high alt I think every one went that way in DCS. Main concern form me, is it true at all, earlier version of spitfires didn't have any electric fuel pumps and they could climb above 17k ft, but somehow our version will but off every time. I am just ignoring this for now and i turn on fuel pump every time i start spitfire. Start up procedure in spitfire is copy pasted from DCS P-51 so maybe fuel system too, and DCS P-51 fuel system require fuel pump run all the time so DCS spitfire too. -
@Art-J Problem is that western Europe 1944 section does not have bug section, and bug report in general section will drown quick. There is new damage model bug section there and i see ppl reporting things not necessary connected with damage model. I will do couple screen shots, and i already noticed that this prop bug stretch across all ED warbirds including German's too. I will and that not only this strange artifacts appeared but overall shape and size of the blade when spinning are different and does not match the actual shape. unfortunately i don't have any old screens for comparision.
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Don't know how to turn off/on MT. I always use latest drivers. Anyway for me this doesn't look like any gpu driver artefact. For me it looks like prop animation was messed up. I noticed it very long time since then i upgraded gpu driver at least 3 times.
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Like i said, all gauges in P-51 are illuminated evenly, in modern modules this illumination pattern may be modeled more precisely .
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ST or MT what is it. FXO and Metashaders2 deleted. Yes GPU driver is installed
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you can't move them in DCS and i don't see any point in doing that if those are set right.
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As per title i noticed it also in Spitfire, Mosquito, Fw190-D, P-47.
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Those are ultraviolet lamps which energize luminescent material on gauges so they become visible at night You have separate knobs for left and right lamp. This luminescent material has slow reaction time it takes time to reach full brightens and vice-versa.
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no bug What's happened to the 109s handling?
grafspee replied to Shibbyland's topic in Bugs and Problems
Max combat without MW50 is 1.45ATA and with MW50 1.8ATA rpm governor in Auto ofc. -
Then you had to fly P-51 at extremes low power. According to maintenance manual opening and closing temperatures For Coolant and oil radiator shutter are as follows. Coolant: opening temp 115c-118C, closing 102C-105C Oil: opening 85C-87C, closing 71C-73C You won't see coolant radiator shutters being open until coolant temp reaches at least 115C-118C and oil radiator shutter open until oil reaches at least 85C-87C Since ED introduced new/upgraded cooling system in warbirds i fly P-51 100% time in auto exactly the same as every P-51's manual say to do. I just did some testing, my conclusion is that oil/radiator shutter doors in Auto works exactly as per manual. I can clearly see that shutters won't open until opening temp is reached and once they open they stays open until closing temp is reached. This thermostat hysteresis may lead to different coolant and oil temps at exact same condition, it is very noticeable with oil temp, it is quite hard to reach oil temp 85C-87C but if you push enough power oil radiator shutter will open and then when you reduce power oil radiator shutter won't close until low 71C which is also quite hard to cool oil that much so depending what you've done before you may fly with closed or a little bit open oil radiator shutter with oil temp high like 84C or low oil temp like 74C at exact same speed and power. Only explanation that on your end shutters seem not working is that you have them in manual mode not in Auto mode.
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It is rather problem of all combat sims not only DCS. I don't think that is any solution for this. I mean good solution.
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investigating Finally saw a warbird explode
grafspee replied to kennyuk77's topic in DCS: Spitfire L.F. Mk. IX
Looks more like annihilation to me -
DCS: Me 262 Discussion (Development on hold currently)
grafspee replied to NineLine's topic in Western Europe 1944-1945
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investigating Starter/Boost-Coil cover closes after releasing button
grafspee replied to Nereid's topic in Bugs and Problems
Ok you are saying that all of them are spring loaded, so can you explain how i am able to have them all unlatched at the same time then ?? And how is it possible that starter button remain depressed while cover is closed ? If you call it realism. Then i have no more questions. -
investigating Starter/Boost-Coil cover closes after releasing button
grafspee replied to Nereid's topic in Bugs and Problems
I'm not sure what are you talking about ? Those button caps, landing gear and flaps latches were only manual operated, there was no automatic cap closing or latches being latched all this was done manual. But here in DCS those are rock solid scripted getting in the way of realism experience. I have enough of fighting those artificial scrips in cockpit handles and push button operations.