#3259892 - 04/04/11 10:54 PM
Re: Seriously bugged CEM
[Re: Biggles07]
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Joined: Mar 2011
Posts: 32
wannabe
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Hey Werner,
after your post I took´the JU 88 out of the hangar and went on a little testflight. The levers from left to right are: prop pitch, throttle, supercharger, radiator and oil cooler. I had to map the fuel cocks to the keybord (Normaly I use the clickable pits for such levers that you don´t need to often) since they are hard to reach in the 88. Have them one strg+1,+2 etc, works fine for me. Also no problems with the prop pitch. Full forward=max rpm, full backward=feather. RPM is increasing/decreasing on the gauge as it should (Nice that the 88 has some markings on the rpm gauge, so you don´t have to remember the limits. Green is max continuous, yellow should be limited to 5 minutes and red is never exceed). The supercharger has little to no effect when at low altidude, but you should notice map increasing when flying at high altitudes. Actually I start to like the cockpit of the 88, it even has a working stopwatch. I wonder if that Lorenz radio navigation gauge is working, but at least it has a tooltip labeled to it, so I believe it should be usable!
Last edited by wannabe; 04/04/11 10:55 PM.
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#3260203 - 04/05/11 08:54 AM
Re: Seriously bugged CEM
[Re: Biggles07]
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Joined: May 2010
Posts: 1,121
sascha
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Munich, Germany
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Quick question re the Spit I: Seems to me that on 100% throttle-setting I'm running with increased/WEP-boost (at least the boost-gauge's needle is well above the "redline"-zone). I also noticed that if I keep my throttle open at 100% the engine will suffer for it (after a while, max RPM dropped to around 2000). Am I correct or imagening things? I seem to remember the RL Spits had the option of pushing the throttle beyond 100% for short bursts of power. If so: Is there any way to set my throttle up for the Spit to avoid overboosting? After all: That's what the WEP-key should be for IMO. What's even weirder is that I noticed this behaviour *without* CEM. Just flying around with my throttle open I seem to be able to ruin the engine ... not very "un-CEM"-like that.. S.
System: Asus P5Q-E - Intel Core 2 Quad Q9300@ 2.5 GHz (currently @3.0 GHz) - Gigabyte GF GTX460 1GB OC - 2x2 GB OCZ DDR2-RAM - Samsung P2370 23'' - MS Sidewinder 2 FF (red trigger, baby!) - Saitek Pro Flight Rudder Pedals - TrackIR 5 + Pro-Clip - Windows Vista 64 Home Premium
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#3260205 - 04/05/11 08:58 AM
Re: Seriously bugged CEM
[Re: Biggles07]
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Joined: Sep 2010
Posts: 1,169
WernerVoss
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I think you'd need a throttle with an upper-limit detente for a button-push boost to work. My Saitek quadrants have a lower-limit detente and I was hoping to map prop-feathering to that, but unfortunately 1C haven't provided motor-specific options for it, there's just the one global option.
Asus P8P67 Pro Mobo 2500K CPU @ 4.5Ghz Antec H2O Kuhler 950 Water Cooler 16Gb DDR3 DC RAM @ 1600mhz EVGA GTX780 Classified GPU Dell U3014 30" Monitor xFi Titanium HD sound Corsair Force 250Gb SSD Corsair RM850w PSU W7-64 INTJ
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#3260250 - 04/05/11 10:38 AM
Re: Seriously bugged CEM
[Re: Biggles07]
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Joined: May 2010
Posts: 1,121
sascha
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^ So is my assumption correct that 100% joystick-throttle equals 100 + X% /WEP in-game? Is the redline/redzone on the boost-gauge a reliable source of info (read: will keeping the needle within the redzome give me maximum "safe"-performance?
S.
System: Asus P5Q-E - Intel Core 2 Quad Q9300@ 2.5 GHz (currently @3.0 GHz) - Gigabyte GF GTX460 1GB OC - 2x2 GB OCZ DDR2-RAM - Samsung P2370 23'' - MS Sidewinder 2 FF (red trigger, baby!) - Saitek Pro Flight Rudder Pedals - TrackIR 5 + Pro-Clip - Windows Vista 64 Home Premium
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#3260306 - 04/05/11 11:59 AM
Re: Seriously bugged CEM
[Re: Biggles07]
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Joined: Mar 2011
Posts: 32
wannabe
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Hope this will help you: Please note that there are 2 different values for each boost limit, one for 100 octane fuel and one for 87 octane fuel. Looking at the inganme Spit limitations I´m quite sure that we´ve got only 87 octane fuel, so use the numbers in brackets. The numbers for the hurricane should be quite similar to the one for the spit, can´t find a manual for it, but flying works fine for me using the Spit´s limits (Afteral it´s also a merlin engine).
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#3260314 - 04/05/11 12:07 PM
Re: Seriously bugged CEM
[Re: Biggles07]
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Joined: May 2010
Posts: 1,121
sascha
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Hmm.. Spit Ia is nowhere near those RPM values for me with stick throttle on 100%. Needle bounces up and down pretty badly, but it's always in the region of 2200 rpm. Only in the Spit II did I get RPM-readings of around 3000.
System: Asus P5Q-E - Intel Core 2 Quad Q9300@ 2.5 GHz (currently @3.0 GHz) - Gigabyte GF GTX460 1GB OC - 2x2 GB OCZ DDR2-RAM - Samsung P2370 23'' - MS Sidewinder 2 FF (red trigger, baby!) - Saitek Pro Flight Rudder Pedals - TrackIR 5 + Pro-Clip - Windows Vista 64 Home Premium
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#3260356 - 04/05/11 01:00 PM
Re: Seriously bugged CEM
[Re: Biggles07]
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Joined: May 2010
Posts: 1,121
sascha
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D'oh! The "Merlin XII" should've been a dead giveaway.. From wiki's RR-Merlin-page: Merlin II (RM 1S)
1,030 hp (775 kW) at 3,000 rpm at 5,500 ft (1,680 m) using + 6 psi boost (41 kPa gauge; or an absolute pressure of 144 kPa or 1.41 atm); used 100% glycol coolant. First production Merlin II delivered 10 August 1937.[18] Merlin II used in the Boulton Paul Defiant, Hawker Hurricane Mk.I, Supermarine Spitfire Mk.I fighters, and Fairey Battle light bomber.[74]
Merlin III (RM 1S)
Merlin III fitted with "universal" propeller shaft able to mount either de Havilland or Rotol propellers,.[75] From late 1939, using 100 octane fuel and +12 psi boost (83 kPa gauge; or an absolute pressure of 184 kPa or 1.82 atm), the Merlin III developed 1,310 hp (977 kW) at 3,000 rpm at 9,000 ft (2,700 m);[46] using 87 octane fuel the power ratings were the same as the Merlin II. Used in the Defiant, Hurricane Mk.I, Spitfire Mk.I fighters, and Battle light bomber.[74] First production Merlin III delivered 1 July 1938.[18]
S.
System: Asus P5Q-E - Intel Core 2 Quad Q9300@ 2.5 GHz (currently @3.0 GHz) - Gigabyte GF GTX460 1GB OC - 2x2 GB OCZ DDR2-RAM - Samsung P2370 23'' - MS Sidewinder 2 FF (red trigger, baby!) - Saitek Pro Flight Rudder Pedals - TrackIR 5 + Pro-Clip - Windows Vista 64 Home Premium
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#3260887 - 04/05/11 08:31 PM
Re: Seriously bugged CEM
[Re: wannabe]
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Joined: Sep 2010
Posts: 1,169
WernerVoss
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Very strange... Do you see the small prop-lever icon move? Yes, that goes up and down ok, and after operating them in flight I have to crash-land because something goes wrong in the engines. But on the ground with engines off, or on the ground/in the air with them on I don't see the props twisting to indicate their pitch is changing.
Asus P8P67 Pro Mobo 2500K CPU @ 4.5Ghz Antec H2O Kuhler 950 Water Cooler 16Gb DDR3 DC RAM @ 1600mhz EVGA GTX780 Classified GPU Dell U3014 30" Monitor xFi Titanium HD sound Corsair Force 250Gb SSD Corsair RM850w PSU W7-64 INTJ
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#3260967 - 04/05/11 10:11 PM
Re: Seriously bugged CEM
[Re: Biggles07]
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Joined: Mar 2011
Posts: 32
wannabe
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Ah, now I get it. You shouldn´t see the prop pitch changing while your engines are off. The prop pitch is adjusted with some kind of hydraulics system which is operated with engine oil. So when your engine is off there´s no oil pressure and thus no change in pitch. Thats also the reason why you should feather a dying engine in time, since when it has stopped already you won´t be able anymore to feather it. When your engines are on and the props are turning you might just not be able to spot the change in pitch. Watch your rpm gauge and listen to your engine sound while playing around with the lever, thats the best indication (You should do that 3-4 times anyway before take off, to ensure the system is working and get fresh, warm oil into the system).
Last edited by wannabe; 04/05/11 10:18 PM.
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#3260969 - 04/05/11 10:18 PM
Re: Seriously bugged CEM
[Re: Biggles07]
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Joined: Sep 2004
Posts: 10,618
Ming_EAF19
Babelfish Immune
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Babelfish Immune
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Ah, now I get it... when your engine is off there´s no oil pressure Ok now we're officially through Phase One and it gets more interesting Thanks Ming
'You are either a hater or you are not' Roman Halter
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#3260971 - 04/05/11 10:20 PM
Re: Seriously bugged CEM
[Re: Ming_EAF19]
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Joined: Mar 2011
Posts: 32
wannabe
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Ah, now I get it... when your engine is off there´s no oil pressure Ok now we're officially through Phase One and it gets more interesting Thanks Ming What do you mean with we are officially through Phase one?
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#3261135 - 04/06/11 01:11 AM
Re: Seriously bugged CEM
[Re: Biggles07]
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Joined: Jun 2003
Posts: 916
IvanK
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Aus
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Getting back to the Gyroscopic instruments talked about earlier in the thread. With respect the standard AH MKI the parameters listed in AP1257 are: +-90 degrees pitch, +-60 degrees in roll For the AH MKII +-45 degrees in pitch, +- 360 degrees in roll For the DG +-60degrees in both pitch and roll. There is also a note that after a complete gyro topple the erection cycle is 10mins. There was no capability to cage the Horizon. In addition further info in the AP2095 Pilots Notes General. Refers to acceleration errors and turning induced errors that the old and bold amongst will relate to, Remember that extra Bar width you had to allow on on Instrument take off till it all settled down From the AP2095 In general I think AH and DG gyro precession is a little over modelled. Nice to see it there but it needs toning down just a little imo. Turning and acceleration errors on the Magnetic compass is also modelled and also a little savage imo. Sadly Magnetic variation is not modelled.
Last edited by IvanK; 04/06/11 07:40 AM.
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#3261488 - 04/06/11 10:52 AM
Re: Seriously bugged CEM
[Re: Biggles07]
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Joined: Mar 2011
Posts: 32
wannabe
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Thanks for the detailed information regarding the gyros! I agree that the gyro drift seems a little overmodeled, but it´s nice to have it in the sim at least!
Last edited by wannabe; 04/06/11 10:54 AM.
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#3261526 - 04/06/11 11:42 AM
Re: Seriously bugged CEM
[Re: Biggles07]
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Joined: Mar 2011
Posts: 75
darkmouse
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How would you know if Magnetic variation was modelled or not? Have you taken bearings off an accurate grid Chart, flown them and decided that MAG Var was like 2 Degrees or something? In 1940 Var might have been 0 for the South East Coast - anyway for the sake of 2 or 3 degrees it makes no odds, as there is not a human exists that can fly that accurately. Besides who needs Mag Var in a sim, unless you are using map, compass and stopwatch to navigate by?
Last edited by darkmouse; 04/06/11 11:47 AM.
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Exodus
by RedOneAlpha. 04/18/24 05:46 PM
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