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Thread: Two questions of settings of Bf 109E-7/Z

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    Manual Creation Group Sandy1942's Avatar
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    Two questions of settings of Bf 109E-7/Z

    Hi guys!
    Many thanks for your work! There are three questions on Bf 109E-7/Z

    1. What is this valve (oil tank) and where is its control in the settings?
    01.jpg
    2. Where in the settings is the control of the crane of the GM-1 system?
    02.jpg
    3. Is it possible to install the 300-liters drop tank on Bf 109E-7/Z? I didn't find it in the editor.
    Last edited by Sandy1942; Oct-22-2020 at 14:39.

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    Supporting Member Karaya's Avatar
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    Re: Two questions of settings of Bf 109E-7/Z

    The handle is for the extra oil tank that was installed on the E-7.
    The oil tank and GM-1 are controlled via the fuel cock #2 and #3 commands.

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    Re: Two questions of settings of Bf 109E-7/Z

    Thank you, Karaya!
    What about the drop fuel tank? Is he present in the game or not?

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    Re: Two questions of settings of Bf 109E-7/Z

    Quote Originally Posted by Sandy1942 View Post
    Thank you, Karaya!
    What about the drop fuel tank? Is he present in the game or not?
    On the E-7/Z I checked and you cannot attach drop tanks or bombs. But on the other E-7 variants you can. Not sure why that is the case.

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    Supporting Member Karaya's Avatar
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    Re: Two questions of settings of Bf 109E-7/Z

    The Bf109E-7/Z is a dedicated high altitude interceptor variant. Putting bombs on it would kinda defeat the purpose of the aircraft.
    Also I'm not sure if the /Z variant used drop tanks to extend their range in actual service. Technically it was possible but as said it was an interceptor and not intended to do long range escort type missions.

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    Re: Two questions of settings of Bf 109E-7/Z

    For what is the 'Z'? Zusatzleistung?

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    Re: Two questions of settings of Bf 109E-7/Z

    Thank you guys!

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    Re: Two questions of settings of Bf 109E-7/Z

    I'm sorry, a little off the subject... Bf 109F-1 what is this scale and lever with a yellow tip? I can't understand their purpose.
    111.jpg

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    Re: Two questions of settings of Bf 109E-7/Z

    Quote Originally Posted by Sandy1942 View Post
    I'm sorry, a little off the subject... Bf 109F-1 what is this scale and lever with a yellow tip? I can't understand their purpose.
    111.jpg
    The scale is an additional indicator of the undercarriage.
    The yellow knob, sorry.

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    Re: Two questions of settings of Bf 109E-7/Z

    Thank you von Graf!

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    Re: Two questions of settings of Bf 109E-7/Z

    Think the yellow knob is for engine cut-out, similar to Spitfire "Slow running cut-out".

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    Re: Two questions of settings of Bf 109E-7/Z

    Had the same thought but wasn't sure. (Or the cut-off for the left water cooler but the one on the right side is missing then. And I think this came in later models (?) and is greenish.)

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    Re: Two questions of settings of Bf 109E-7/Z

    Quote Originally Posted by 1lokos View Post
    Think the yellow knob is for engine cut-out, similar to Spitfire "Slow running cut-out".
    I did not understand what this means, but somewhere on the forums they write that it is somehow connected with the start of the engine. Something like a pump...

    Quote Originally Posted by von Graf View Post
    Had the same thought but wasn't sure. (Or the cut-off for the left water cooler but the one on the right side is missing then. And I think this came in later models (?) and is greenish.)
    There is a cut-off of the radiators glycol in the cockpit. Left and right. It's greenish.

    04.jpg
    Last edited by Sandy1942; Oct-29-2020 at 12:18.

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    Re: Two questions of settings of Bf 109E-7/Z

    Quote Originally Posted by Sandy1942 View Post
    I did not understand what this means,
    Probable you have not used Hurricane and/or Spitfire in CloD.

    In both you have a command called "Slow-Running Cut-Out", in Hurricane is a clickable and animated red knob in left side of panel, by click and hold (or press a key or button and hold) you turn off engine.

    Seems that in Real Life stop the engine using this device - instead just close fuel tap an/or turn off magnetos switches, is necessary for burn the fuel in carburetor, lines.

    In spitfire the "Slow-Running Cut-Out" is a small ring in the right side of panel, lower.
    But is no clickable, neither animated - ("It's Clod!"); but the command respond to key and button.

    In this Bf 109 cockpit scheme, the label number 30 say:

    "Engine instant-stop lever."

    A function similar to "Slow-running cut-out".



    Problem is that is difficult identify number 30 in this scheme, labels are blurred, but the position of other items with numbers close to 30 readable suggest that number 30 is the yellow knob.

    Anyway, this is just curiosity, because in CloD Bf 109's this command are not modeled.
    Last edited by 1lokos; Oct-29-2020 at 14:02.

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    Re: Two questions of settings of Bf 109E-7/Z

    Quote Originally Posted by Sandy1942 View Post

    There is a cut-off of the radiators glycol in the cockpit. Left and right. It's greenish.

    04.jpg
    Yo, right. that's what I had in mind.
    I even had a look in the flashcards but maybe took the wrong picture/card and didn't see it.

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    Re: Two questions of settings of Bf 109E-7/Z

    Quote Originally Posted by 1lokos View Post
    Probable you have not used Hurricane and/or Spitfire in CloD.

    In both you have a command called "Slow-Running Cut-Out", in Hurricane is a clickable and animated red knob in left side of panel, by click and hold (or press a key or button and hold) you turn off engine.

    Seems that in Real Life stop the engine using this device - instead just close fuel tap an/or turn off magnetos switches, is necessary for burn the fuel in carburetor, lines.

    In spitfire the "Slow-Running Cut-Out" is a small ring in the right side of panel, lower.
    But is no clickable, neither animated - ("It's Clod!"); but the command respond to key and button.

    In this Bf 109 cockpit scheme, the label number 30 say:

    "Engine instant-stop lever."

    A function similar to "Slow-running cut-out".



    Problem is that is difficult identify number 30 in this scheme, labels are blurred, but the position of other items with numbers close to 30 readable suggest that number 30 is the yellow knob.

    Anyway, this is just curiosity, because in CloD Bf 109's this command are not modeled.
    Apparently, you're right - this is a quick engine stop. On later versions, this device is located approximately there and is also a lever with yellow markings.
    For a moment it seemed to me that this is the lever of the primary fuel pump (Primer), which is absent on Bf 109F, but this lever does not look like it.

    003.jpg 004.jpg

    Most likely Primer is here.
    005.jpg

    It is a pity that these devices are not animated in the game.

    Quote Originally Posted by von Graf View Post
    Yo, right. that's what I had in mind.
    I even had a look in the flashcards but maybe took the wrong picture/card and didn't see it.

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    Re: Two questions of settings of Bf 109E-7/Z

    That yellow knob is engine cutout. In the DCS Bf 109 (albeit the K model) it functions the same. The primer on the other hand is on the right I believe, so not sure what that black knob is, although perhaps it could still be the primer and the cockpit layout changed between the F model and the K model.

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    Re: Two questions of settings of Bf 109E-7/Z


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    Re: Two questions of settings of Bf 109E-7/Z

    Most likely Primer is here.
    005.jpg





    I could read the label in an F model under this knob in IL-2 GB: it's for cleaning the ignition/spark plugs. "Zündkerzen Abbrennung"
    Last edited by von Graf; Nov-09-2020 at 07:07.

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    Re: Two questions of settings of Bf 109E-7/Z

    First of all, I wish to thank Sandy1942 for opening the present discussion thread, here in the ATAG forum. Also, thank you to all of you who brought useful answers, your exchanges here were very helpful, undoubtedly.

    I did a few tests on board one Bf 109 E-7/Z between 8,000 and 11,000 metres high.

    As of 8,000 metres I opened the oil tank valve :


    01.jpg


    And then turned the GM-1 wheel up to the first stage of flow (60 g/s). At this point, an increase of the manifold pressure became immediately noticeable. Furthermore, if you push to the second (100 g/s) and third (150 g/s) stages of flow, the ATA easily reaches 1.1 at 8,000 metres high at the engine's limit of 2,500 RPM (which is quite impressive).

    I left my Bf 109 E-7/Z in such conditions for a while and the engine didn't suffer any damage. I closed the oil valve too, keeping it closed for a while as well while the nitrous oxide was acting in the cylinders... and the engine didn't get broken neither. Is this normal? Shouldn't the engine get damaged or broken if the additional oil tank valve is not open? And even if both flows are open (oil & nitrous oxide), shouldn't the engine get damaged after the GM-1 is used for a too long time?

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    Re: Two questions of settings of Bf 109E-7/Z

    Well... any thoughts?

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    Re: Two questions of settings of Bf 109E-7/Z

    It will be damaged if you leave it too long at too high a boost and rpm.

    1.1 ata is not very high boost.

    Max. engine rpm is 2600.
    Last edited by RAF74_Buzzsaw; Feb-17-2021 at 03:35.

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    Re: Two questions of settings of Bf 109E-7/Z

    Quote Originally Posted by RAF74_Buzzsaw View Post
    It will be damaged if you leave it too long at too high a boost and rpm.

    1.1 ata is not very high boost.

    Max. engine rpm is 2600.


    Sorry Buzz for the late response as I didn't visit the ATAG forums for a while, my apologies.

    Thank you for the answer. The fact is that at high altitude, 8,000 m or more, even using the nitrous oxide I can't go further than 1.1 ata. But it's ok, dealing with the potential damage thing your answer is satisfactory.

    What about the supplementary oil tank? Is it necessary to open this oil tank before opening the flow of nitrous oxide?

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