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Supongo

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    Is correct the 109 FM for cruising speed?

    in DCS: Bf 109 K-4 Kurfürst

    Posted · Edited by Supongo

    https://forums.eagle.ru/showpost.php?p=3051123&postcount=8

     

    Sithspawn said:

     

    No. We are not going to go over this again. That interview was based on a show pilots view of an aircraft configured for joy rides. Yo-Yo has already talked to Klaus Plasa about this and confirmed ED's FM. Next time ask him if he has ever put his 109 in a high speed dive like you might find in combat.
    From what plane has confirmed Klaus Plasa that the ED FM is correct?

     

    That I know Plasa and Bau fly the same plane, therefore the opinion of Bau is valid. And remember, the cruising speed is the same for the plane ride as for the fighter, and the weight distribution also, so zero trim for cruise.

     

    Regards

     

     

    Supongo

    Interview to Volker Bau about Bf-109G

    in Military and Aviation

    Posted

    Very interesting for sure!! He describes DCS module quite well :smartass:. Now you only have to learn how to fly like Mr.Volker Bau in a preserved warbird, so only small throttle changes in flight, no more than 1.3 Ata, 440Km/H cruising, etc :thumbup:.

     

     

    S!

     

    And trim zero. And hands off

     

    Y trim cero, sin usar manos.

     

    Un saludo

     

    Supongo

    BF 109K4, la verdad

    in Español

    Posted

    Ayer varios miembros del III/JG52 no desplazamos a la feria internacional de aviacion de Berlin y conseguimos entrevistar a los pilotos del Flugmuseum Messerschmitt sobre las cualidades de vuelo del Me-262 y del Bf-109.

     

    13325561_10209856707516639_6288891891741169122_n.jpg?oh=e9555d1fb62924c65b83a51c9d990e8e&oe=57C8953A

     

    Entrevistamos a Volker Bau, (Jefe de pilotos del Flugmuseum Messerschmitt) y nos conto cosas muy interesantes sobre el trim del Bf-109G y sus cualidades de vuelo.

    Como nosotros ya sabiamos, y Volker Bau nos confirmó ayer, el Bf-109G vuela recto y nivelado y sin manos, a velocidad de crucero, y con el trim en CERO.

    Para despegue hay que ajustar el trim en " -1" es decir, un grado morro arriba. todo los pilotos se confunden con esto.

    Por otro lado, el despegue hay que hacerlo con los radiadores abierto y en manual, ya que si se abren automaticamente, no lo hacen al unisono, y la diferencia de un milimetro entre un ala y la otra desequilibra el avion y puede probocar un hachazo en el momento de irse al aire.

    Esto nos confirma que el FM del K4 de DCS esta mal, y el manual tambien, ya que en la pagina 129 del del manual del DCS:bf-109K4 dice que hay que despegar con trim en "+1" (1º morro-abajo) y con los radiadores en automático.

    Es decir al contrario de lo que dice Volker Bau.

     

    Proximamente subiremos el video subtitulado en español a nuestro canal de youtube en http://www.jagdgeschwader52.net/

    Trim & Flap Wheel Issues

    in Bugs and Problems

    Posted · Edited by Supongo

    Flaps Control Bug

     

    After more than a year of development,and many updates, the new DCS:Bf-109K4 ver 1.5 BETA remains with the same bug in the flaps control than when the game was released.

     

    [YOUTUBE]ttps://youtu.be/eDafMEcWVc8[/YOUTUBE]

     

     

    We wait for v2?

     

    Regards

     

    Supongo

    Stop Complaining guys!!!

    in DCS: Bf 109 K-4 Kurfürst

    Posted

    I think you are very optimistic :music_whistling: .. if you take account that the actual tendency (DCS:Bf109K4 ver 1.2.16) is crazy nose-up with elevator trim set in zero (neutral) at any speed.

    This behavior seem a lot with the conclusion of the diving test performed with a Bf-109F (with wing of G series) as you can see in pages 16 and 18

    http://www.wwiiaircraftperformance.org/me109/Diving_Test_109F_W.Nr.9228_ger_eng.pdf

     

    The Bf-109F in test, have strong tendency to nose-up in dive at full throttle and about 900 km/h TAS, it was eliminated folding the elevator fixed trim tabs.

    in page 16 say:

    In reference to tall tail with flettner-tab,

    ""Unlike the earlier flights with the horn mass balance tail (q.v. flight report Nr. 879/270) the plane was stable at the yaw axis up to the highest speeds.""

     

    and in reference to nose-up tendency, and trim .they say.

    "" Unlike the idle dives, it was not possible to hold the angle of dives at full throttle with the same trim setting, cause the upward torque of the engine. Trim tabs were set to nose heavy to reach a similar force development, like in idle dives "".

     

    I agree

     

    Supongo

    • Like 1

    Cruising is painful..

    in DCS: Bf 109 K-4 Kurfürst

    Posted

    That is false.. and you know it, .

    .. due to three main reason.

    1/- 450km/h IAS, is 600km/h TAS at 6.000 m, and 743Km/h TAS at 10.000 m. in standart atmosphere. Is not a valid data.

    ..or in that case, the Bf-109K4 was capable to trim at 740Km/h TAS at 10.000m

     

    2/- The Real life Bf-109 pilots take as reference for cruising the manifold pressure indicatión ATA, and engine RPM, ..not the airspeed.

     

    3/- If that interview is true, Where was published that interview??. ..

     

    I Agree

     

    Regards

     

    Supongo

    Bf-109G elevator trim handwheel position and nose attitude

    in DCS: Bf 109 K-4 Kurfürst

    Posted

    Please Yo-Yo, Can you translate this text, refered to the Bf-109G2 test performed by VVS??.

    What meaning this?

     

    Планирование и посадка.

    -На скорости 220 км/час выпустить шасси, закрылки (полностью).

    -Cкорость перед касанием ВПП - 180 км/час.

    Диапазон угла отклонения плоскости горизонтального стабилизатора относительно продольной оси самолёта: -8°…+3°.

    Градуировка значений на индикаторе положения горизонтального стабилизатора, град.: -8, -7, -6, -5, -4, -3, -2, -1, -0, 1, 2, 3.

    - Максимальный угол горизонтального стабилизатора на кабрирование: положение «+0.5» – соответствует значению «-8°» на индикаторе

    - Нейтральное положение горизонтального стабилизатора: положение «0.0» – соответствует значению «-2,5°» на индикаторе

    - Максимальный угол горизонтального стабилизатора на пикирование: положение «-0.5» – соответствует значению «+3°» на индикаторе."

     

    Thanks in advance

     

    Supongo

    [CLOSED]Bf-109 Trim controls

    in DCS: Bf 109 K-4 Kurfürst

    Posted · Edited by Supongo

    Frankly, it was my typo about G6 (it even could be G7 or G8-1 because of really hot days here), but it does not change things - it is not necessary and even dangerous having the aircraft trimmed at higher speed. I mean pitch trim, of course. So, i discussed taxiing, takeoff - it's correspond with the model and Erich Brunotte memoirs.

    So, any speculations on the trim are useless, gentlemen... :)

     

    YOYO please, can you explain to us what is saying this German training manual of Bf-109G?

    I think understand , TRIM to ZERO for takeoff and 20 degrees flaps deployed.

    YOYO where is the nose-down pitch moment with flaps deployed in DCS?

    g.jpg.7caef4b1d9018a7d85604b96ffbe0202.jpg

    [CLOSED]Bf-109 Trim controls

    in DCS: Bf 109 K-4 Kurfürst

    Posted · Edited by Supongo

    Based on what?

     

    The differences between G2 and K4 are several important.

    - Weight of the airplane and its engine

    - Fuel and MW50 comsumption

    - Tail (tall vertical fin)

    - Wing (wheel well bulge)

    - Landing gear completaly streamlined.

    This things change the CoG, so this russian test data are not totally extrapolable.

     

     

     

    Regards

     

    Supongo

    [CLOSED]Bf-109 Trim controls

    in DCS: Bf 109 K-4 Kurfürst

    Posted · Edited by Supongo

    Trims? what trims? Trim Tab, stabilicer trim?

     

    SiThSpAwN I remind you that red7 is a G4 and DCS have K4, any difference, no?

     

    Incidentally, the G2 is famos test with guns underwing or not?

     

    Ah, you know that with flaps lowered the K4 nose up?

     

    Regards

     

    Supongo

    [CLOSED]Bf-109 Trim controls

    in DCS: Bf 109 K-4 Kurfürst

    Posted

    Ok guys, talk it over with Yo-Yo some this morning, raised concerns with trim that some had, and for the most part what I found was correct. He shared with me a chart showing what I think is exactly what we experience in the sim, if you take into account the shorter flight sticks we all use:

     

    trim-effectiveness_zpsemfcefuc.png

     

    I did also raise concern about air starts, I still feel like it couldnt hurt to have the aircraft trimmed to 1.5 on an air start, but its not a blocking issue. I will request it, along with the ability to change manual trim tabs were available on the 109.

     

    So with all that, I really am going have to say that I am confident the 109 is modelled pretty damn well in this case, and if other sims that we might have played in the past dont fly like this, they have tweaked for player comfort over accuracy.

     

    G2 graphics or the K4 Graphics?

     

    Stick Fordward or stabilizer trim?

     

     

    Supongo

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