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#51
09-01-2012, 07:25 PM
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Quote:
You can take the rpm up to 3000rpm for a short period as I did in the video. This would give you a few more mph for a very short time. The main thing is that the plane is much 'slippier' and can maintain a lot of energy even in a vertical climb. Rather than outright top speed, try following a 109 vertically upward. You'll stay with him far easier with these settings.  Thanks for posting! 
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#52
09-02-2012, 07:29 AM
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Yes, the main thing is that it retains energy better like this. It is still 40mph too slow in outright speed though.
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#53
09-02-2012, 02:50 PM
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What about the mixture, I see in your video that the mixture is fully forward, is not that running lean? When I retard the the throttle to idle the mixture is connected follows the throttle back to the rich setting?
Thanks!
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#54
09-02-2012, 03:01 PM
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The mixture settings do seem to vary in effect in different models though, but I've yet to do a mixture settings test on all models. Certainly this works in the 100oct. Thanks for prompting this point! 
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#56
09-02-2012, 03:58 PM
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What is incorrect is that we have to change to weak mixture to use the full +11 boost, which should actually be +12. Weak mixture should only be there for saving fuel in a long flight in cruise settings. The 'auto-rich' setting ought to be the only setting we need, unless flying for long range, such as from one corner of the map to the other and back. I'd post a link to another post to this effect from IvanK if I knew where to find it, but unfortunately I don't.
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#57
09-02-2012, 04:02 PM
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Afaik, fully back should be auto rich and it's lean in CloD. So if you're saying that you moved the mixture lever fully forward, you used rich mixture.
I think this is also the thing, that causes the most engine problems, because you're supposed to run the engine auto rich at high boost, but thanks to the mix-up in CloD and the mixture automatically going to fully lean, if you pull the throttle back and then forget to set the mixture back to rich, you easily ruin your engine. Anyway, many thanks for this video. Definately helps as a workaround for the current FM. Even though it's still a bit tricky at higher altitudes. I just never know, which RPM is still "save", because even if you keep temperatures low enough, the engine might still "blow up".
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#58
09-02-2012, 04:13 PM
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So when I say 'rich' I mean 'lever back', when I say 'lean' I mean 'lever forward'. Whether it's opposite to what is actually modelled seems to vary between aircraft, but what I tend to do is just put it in the position which runs smoothly with the most power, then adjust slightly to give a blue flame. Testing mixtures is next on my list, unless some other kind soul would do it.......... 
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#59
09-02-2012, 06:11 PM
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This is the current bug situation with Mixture in CLOD... its a tad complex:
WRT RAF Mixture settings there are multiple issues. Here are the bugs, how it should work. Stick with me here its a tad confusing In Ver 1.08 the link between the throttle and the mixture lever in that when the throttle is closed it brings the mixture lever back is now correct this is how it was in both the Hurri and the Spits. IRL this means AUTO RICH. However the Mixture strength going to the engine is operating in reverse in all Hurris and Spits in CLOD at present. The Correct setup in real life is: Mixture lever Back Mixture is AUTO RICH Mixture Lever Forward Mixture is AUTO LEAN There were only 2 positions Forward or Back In Both AUTO RICH or AUTO LEAN compensation for altitude is automatic. The only real difference between AUTO RICH and AUTO LEAN is each is running a slightly different mixture strength schedule. One suitable for General and all power settings (AUTO RICH) and the other for range/endurance flying at low power settings (AUTO LEAN) You only really need to run AUTO LEAN if you are really trying to minimise fuel consumption. Anytime you are running AUTO LEAN there are max boost limitations to be adhered to or engine damage will result. (+2.25Lbs Merlin II and III and +4Lbs Merlin XII). Max power and or Boost Cutout operation at 12LBS must have Mixture in AUTO RICH. VER1.08 IN COD MIXTURE BUGS MIXTURE LEVER BACK is giving LEAN MIXTURE WRONG MIXTURE LEVER FORWARD is Giving RICH MIXTURE WRONG Lever has infinite movement WRONG it should be 2 position only. MIXTURE LEVER is not working in any AUTO function since passing around 12,000ft you need to select LEAN to get smooth operation. This is WRONG as AUTO RICH should automatically compensate for altitude. VER1.08 Workarounds You will get better cooling using RICH MIXTURE .. it helps on the climb in the Spit IIA especially (though its still out of wack). On take off once full throttle is selected push the mixture lever fully forward to the RICH (WRONG POSITION IN VER 1.08 ) Passing around 12,000ft you will start to get rough engine operation so pull the lever back to the LEAN (WRONG POSITION IN VER 1.08 ) If Activating BOOST CUT OUT you must be in RICH so push the lever forward (WRONG POSITION IN VER1.08 )to RICH .... if you don't you will get rough running and engine damage. HOW IT SHOULD BE USED IRL In Reality all you really need to do is just leave the Mixture in the rear position in AUTO RICH and forget about it. You then have Automatic Altitude compensation, No BOOST limitation restrictions, no issues with the throttle moving the mixture lever just go fly. All of this has been communicated to the Devs ... we now wait for the fix.
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#60
09-02-2012, 06:11 PM
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Ok, thanks for the replys, I will do some more testing. I was able to climb to 15000 feet with +6.5, 50% rad and 2600 rpm, changed to 2400 rpm at 12k, I had mixture fully backwards. After a while I increased the rpm to 2800 and almost instantly got an engine failure.
If I try the same with +11 boost amd mixture fully forward (to get it to run clean) I have a engine failure after a couple of minutes in a climb (keeping speed at 230mph). But the same settings at sea level not climbing I do not get an engine failure. But as soon as I increased rpm to 2800 at sealevel I got an engine failure again. So the 2600/50 looks like a magic number, good find Dutch!
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