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FM/DM threads Everything about FM/DM in CoD

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  #1  
Old 05-02-2011, 02:50 PM
Bpdslayer Bpdslayer is offline
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Default 109 E3 cant catch AI hurricanes?

With realistic CEM settings on, I have difficulties keeping up with AI Hurricanes. My CEM settings are like this: water radiator open, oil rad open, WEP on, throttle full, prop pitch adjusted to keep RPMs between 2100 and 2400.

First question, does anyone face such a problem? Was the E3 slower than the hurricane? Am I doing something wrong, like is there a optimum prop setting for speed? or rpm setting i should keep for speed?

I got frustrated as I couldnt keep up, most of the time, with the hurricanes i was up against in the 'even dogfight' quick mission.

Anyone can give me feed back on what i'm doing wrong?
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  #2  
Old 05-02-2011, 02:52 PM
pupo162 pupo162 is offline
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more revs i guess. 2500.
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  #3  
Old 05-02-2011, 02:56 PM
Winger Winger is offline
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Quote:
Originally Posted by Bpdslayer View Post
With realistic CEM settings on, I have difficulties keeping up with AI Hurricanes. My CEM settings are like this: water radiator open, oil rad open, WEP on, throttle full, prop pitch adjusted to keep RPMs between 2100 and 2400.

First question, does anyone face such a problem? Was the E3 slower than the hurricane? Am I doing something wrong, like is there a optimum prop setting for speed? or rpm setting i should keep for speed?

I got frustrated as I couldnt keep up, most of the time, with the hurricanes i was up against in the 'even dogfight' quick mission.

Anyone can give me feed back on what i'm doing wrong?
I keep RPMs at 2300 for maximum speed. Also slightly close the radiators and dont forget to apply some rudder to prevent sideslipping (costs speed) -> Keep an eye on the slipindicator in the cockpit. The lack of ruddertrim was a known weakness of the 109 E3.

Winger

EDIT: Pilots notes by Paul Sinnott show the influence of radiatorposition on topspeed:

At 16,400ft - 355mph, 2400 rpm +2,3lb/square inch boost pressure with radiators closed.
At 14,800ft - 330mph, 2400rpm +2,1lb/square inch boos pressure with radiators open.

Last edited by Winger; 05-02-2011 at 03:00 PM.
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  #4  
Old 05-02-2011, 03:11 PM
Bpdslayer Bpdslayer is offline
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Thanks for the replies, i'll try that. So radiators 3/4 open
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  #5  
Old 05-02-2011, 03:12 PM
Doc_uk Doc_uk is offline
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The Al are cheating, I tell you
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  #6  
Old 05-03-2011, 09:16 AM
machoo
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Originally Posted by Doc_uk View Post
The Al are cheating, I tell you
They do. They do mad vertical dives while at the same time barrel roll and pull up like a stunt plane. It's bollocks. And they do super insane vertical climbs.
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  #7  
Old 05-03-2011, 09:17 AM
machoo
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Ps. The Ai have Haxx!
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  #8  
Old 05-02-2011, 03:13 PM
Winger Winger is offline
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Quote:
Originally Posted by Bpdslayer View Post
Thanks for the replies, i'll try that. So radiators 3/4 open
Applying rudder to prevent sideslip is at least as important!

Winger
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  #9  
Old 05-02-2011, 03:18 PM
Bpdslayer Bpdslayer is offline
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aiights, i'll watch the sideslip
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  #10  
Old 05-02-2011, 06:36 PM
Blackdog_kt Blackdog_kt is offline
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I initially had that problem too when i first ran that mission, until i started paying closer attention to my RPMs. During the course of just one mission i went from "i can't catch him" to running him down with ease and i wasn't even using WEP. I was running 1.3-1.35 Ata the whole time, staying within the engine limits.

The thing with the 109 is that you constantly have to work the pitch/RPMs depending on what you are doing.

It's like driving a manual transmission car, high RPM corresponds to low gears and low RPM corresponds to high gears:

Use high RPM for climbing, accelerating from a low initial speed,reducing speed in a dive (this last one with low or idle throttle, otherwise you'll exceed the RPM limits) and faster, more "nervous" response to throttle changes.
This is why take-offs and landings are done with fine pitch, it can keep your speed down on the descend and also give you the needed acceleration during take-off or a go-around. It's like going downhill in your car, down-shifting and relaxing the pressure on the gas pedal to stop your speed from increasing too much, then accelerating to climb the next hill.

Use lower RPM for fuel efficiency during cruise, accelerating in a dive and attaining your top speed. For example, trim for level flight and once the aircraft settles down wait until your airspeed stops increasing. Then lower the RPM a bit and you'll see the aircraft wants to climb, if you trim this climb out you get a bit more speed. If you repeat this process 2-3 times you'll get a higher airspeed for less fuel, as long as you don't start climbing steeply.
It's like driving on the highway and once you hit 100km/h you shift from 4th to 5th gear.

Radiator management and trim/manual rudder to counter slipping are equally important but easier to get right through practice and habit.
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