FW190, Ta152 performance

Discussion in 'Engineering Retrospective' started by dankes, Feb 5, 2003.

  1. -echo-

    -echo- Well-Known Member

    Joined:
    May 9, 2000
    Messages:
    1,872
    Location:
    Almaty , KZ
    Ок , всё что найду - выложу .
     
  2. illo

    illo FH Beta Tester

    Joined:
    May 8, 2000
    Messages:
    4,160
    Location:
    Helsinki, Suomi (finland)
    190A-2

    I will post some 190 charts now also:)
    Note that climbs are for 100% power, not for 110% (WEP, emergency, takeoff etc. whatever you call it)

    [​IMG]
    [​IMG]
     
    Last edited: May 17, 2003
  3. illo

    illo FH Beta Tester

    Joined:
    May 8, 2000
    Messages:
    4,160
    Location:
    Helsinki, Suomi (finland)
    190A-5

    [​IMG]
    [​IMG]
     
  4. illo

    illo FH Beta Tester

    Joined:
    May 8, 2000
    Messages:
    4,160
    Location:
    Helsinki, Suomi (finland)
    MW-50 was used in 190A-4 which did low altitude attacks on britain in 1942. This is what some pilot memoirs tell or so i've read. It's very second hand info.
    MW-50 was very rarely used in 190A-8 AFAIK. It remained as mostly "ground attacker boost" and was often fitted in F and G models. Maybe A-8s doing ground attack also.

    GM-1 was used from 190A-6 on in buff interception duties.

    Also keep in mind that PS (metric horsepower) and horsepower (imperial) are different.

    1770PS would be 100% power for BMW 801D-2
     
    Last edited: May 17, 2003
  5. illo

    illo FH Beta Tester

    Joined:
    May 8, 2000
    Messages:
    4,160
    Location:
    Helsinki, Suomi (finland)
    Effects of bombracks, bombs, fueltanks and weight (Fw190F-2 and G-3)

    [​IMG]
    [​IMG]
     
    Last edited: May 17, 2003
  6. illo

    illo FH Beta Tester

    Joined:
    May 8, 2000
    Messages:
    4,160
    Location:
    Helsinki, Suomi (finland)
    Fw 190A-8/r2 (translated in english)

    Sorry about size...
    im too lazy to reduce. :/

    [​IMG]
     
    Last edited: May 17, 2003
  7. illo

    illo FH Beta Tester

    Joined:
    May 8, 2000
    Messages:
    4,160
    Location:
    Helsinki, Suomi (finland)
    Fw 190d-9

    [​IMG]
     
    Last edited: May 17, 2003
  8. badger

    badger FH Beta Tester

    Joined:
    Jul 9, 2000
    Messages:
    5,758
    Location:
    Estonia(Ex-USSR)
    So it would be 1.32 Ata/2400 RPM?
    At what alt 1770 PS was achived?
    What power BMW-801D-2 had at 1.42 Ata/2700 RPM and at 1.58 Ata(or at 1.65 if at second blower speed)/2700 RPM
     
  9. illo

    illo FH Beta Tester

    Joined:
    May 8, 2000
    Messages:
    4,160
    Location:
    Helsinki, Suomi (finland)
    I don't know. :dunno:

    I've always wondered how both 190A-5 and A-8 can be listed as 1770PS.

    Same engine, but different boost level must give very different numbers. I remember reading that power at takeoff (0m) in BMW 801D-2 was 1730hp(PS?). Take off power was 1.42ata as you can see from above charts. (Start und...)

    So following is only a wild guess.

    BMW 801D-2
    1.27ata 1600PS
    1.32ata 1660PS
    1.42ata 1770PS
    1.58ata ?
    1.65ata ?

    Max power for A-8 would be somewhere near 2000PS if this is true.
     
    Last edited: May 21, 2003
  10. badger

    badger FH Beta Tester

    Joined:
    Jul 9, 2000
    Messages:
    5,758
    Location:
    Estonia(Ex-USSR)
    If both are BMW-801D-2 and it is take-off power - why not? Or if it is altitude specific power at 6000km, where max Ata achivable would be identical due to blower perfomance?

    So by saying:

    1770PS would be 100% power for BMW 801D-2

    you meant 1.42 Ata/2700 rpm as 100% ?

    Form Luthier's ftp place:

    [​IMG]

    1.58 Ata and 1.65 Ata power output was hardly much different, moreover, 1.65 Ata was only achived at high blower speed, so the power output at 1.65 Ata can be lower then at 1.58 Ata (blower eats more power).

    Well, good guess :) There is 2 widly known digits, 1900 PS and 2100 PS, but no one knows whta is the right one for 1.58/1.65 Ata :dunno: AFAIK theoretically it can be easily calculated from basic engine parametrs, prolly we should ask at butch2k place (althrough IIRC sombebody already done so there, at no positive results :( ), so prolly this time would be better to ask if anyone could try to calculate it.
     
  11. HoHun

    HoHun FH Beta Tester

    Joined:
    Sep 22, 2001
    Messages:
    2,643
    Hi Badger,

    >AFAIK theoretically it can be easily calculated from basic engine parametrs

    It can be determined graphically from the engine chart you posted.

    The speed chart shows that the full pressure heights at increased boost are 700 m for low gear and 5500 m for high gear at top speed. One can simply extend the "drop off" legs of the high-speed power graph to this altitude to get the power output.

    I get the following values for high speed flight (numbers in brackets for original boost):

    0700 m: 2000 HP (1745 HP)
    5500 m: 1610 HP (1435 HP)

    For climb:

    0300 m: 1970 HP (1810 HP)
    4900 m: 1670 HP (1475 HP)

    Regards,

    Henning (HoHun)
     
  12. illo

    illo FH Beta Tester

    Joined:
    May 8, 2000
    Messages:
    4,160
    Location:
    Helsinki, Suomi (finland)
    I've read german 1 year in school. So I'll try to translate loosely. :)

    "Eingeklammerte Werte gellen für Sondernotleistung (Start- und Notleistung mit MW-50) Bei Fw 190A-8 für Notleistung and Erhöhtem Ladedruck."

    Numbers in brackets for Special WEP (Takeoff power and WEP with MW-50.) For Fw 190A-8, WEP with increased boost pressure

    "* mit GM-1"
    * with GM-1 :)


    Sorry, but my russian skills suck so I can't say if you got correct answer or not. But anyway those in chart brackets should be considered nearly normal configuration maximum speeds. I think A-8 had ETC-501 bombrack fitted as standard so maybe bit less. (and im sure all combat planes were not polished:))
     
    Last edited: May 24, 2003
  13. illo

    illo FH Beta Tester

    Joined:
    May 8, 2000
    Messages:
    4,160
    Location:
    Helsinki, Suomi (finland)
    some more of 190 stuff

    [​IMG]
    [​IMG]

    [​IMG]
    [​IMG]
    [​IMG]


    [​IMG]
    [​IMG]
     
  14. hardy

    hardy Well-Known Member

    Joined:
    Sep 25, 2002
    Messages:
    16,608
    Location:
    Saratov, Russia
    Re: some more of 190 stuff

    looks like all pics dead. Illo? ;)
     
  15. illo

    illo FH Beta Tester

    Joined:
    May 8, 2000
    Messages:
    4,160
    Location:
    Helsinki, Suomi (finland)
    Re: some more of 190 stuff

    Yes, i removed them long ago.