FW190D-9 Dora Performance figures -Official FW numbers!

[GRUNHERZ]

Hi

Here are some numbers on the FW190D-9 Dora, from official Focke-Wulf WW2 German document dated 1.10.1944

I converted the metric values to US.

Speed is given in km/h in document so-
1 mile = 1.609 km
(km/h value)/1.609 = mph value

Altitudue in the document is given in km values ex. 5,5km 6,6 km, so to convert to alt in feet the following formula is used-

(km value) / (1.609/5280)=.000304

ex. 10km/.000304 is 32894.7 feet

Ok math class over here we go.  


Take off weight: 4300Kg = 9460lbs
Wing loading at TO= 9460/197ft feet= 48lb/ft
 
SPEEDS:
Value in ( ) is most likely  MW-50
Bottom of document says "Eingeklammerte Werte fur Sondernotleistung  ( Start u. Notleistung mit MW-50)"

Ground level:  
360 (380)mph

5,7km or 18750ft:
(436)mph MW-50 *No other value given for this alt

6,6km or 21,710ft:
426mph *No MW value given for this alt
419mph is also given for this alt???

CLIMB RATES at two different alts. ( ) is MW-50

4.8km or 15790ft:
(18,5) m/sec or 3643 ft/min MW-50

5.8km or 19079ft
12,7 m/sec or 2500ft/min

TIME TO CLIMB- 10km or 32895ft  
16,8min (12,5)min MW-50

 Staatsgeheimnis!  

thanks GRUNHERZ

[Kirin]

Nice Grunherz, but I'm afraid you got something "wrong" with the conversion...  

As far as I know we (airmen) are using nautical miles: that would be 1.8km...  (I must be crazy, cutting off some extra mph from the Dora...)

Hehe - happens when Amis play around with the metric system...  

------------------
~Kirin~
 

[This message has been edited by Kirin (edited 01-28-2001).]

[GRUNHERZ]

Hi

1.609 seems to be the correct conversion value, I have book that states P51D top speed in metric as 703km/h which converts to 436.92mph , exactly the top speed of 437mph quoted for P51D 99% percent of time by everyone. So I think that for our purposes 1.609 is the correct value.

Compare:

703kph/1.609 =436.92mph

703kph/1.8 =390.56mph

Or try 1.8 ratio in  reverse:

437mph x 1.8 =786.6kph!  489mph Too high!

437mph x 1.609 =703.13kph Correct Value!


thanks GRUNHERZ

[This message has been edited by GRUNHERZ (edited 01-28-2001).]

[This message has been edited by GRUNHERZ (edited 01-28-2001).]

[Fishu]

Yes.. they're using normal miles in that, not nautical.
I haven't myself seen WW2 planes speed being shown as nautical miles

[MANDOBLE]

 

Originally posted by GRUNHERZ:

4.8km or 15790ft:
(18,5) m/sec or 3643 ft/min MW-50

5.8km or 19079ft
12,7 m/sec or 2500ft/min

Impressive!

[funked]

I think Vermillion posted this stuff some time in 1999.    

We brought it up again in October: http://bbs.hitechcreations.com/smf/Smileys/default/Forum9/HTML/000952.html

[This message has been edited by funked (edited 01-28-2001).]

[-towd_]

i believe its navy planes = mautical miles

[Frosty1]

GRUNHERZ, where exactly did you get your hands on that kind of document...I need to see if some people have those kinds of goods on eBay or something.

------------------
===>Frosty
====>Exposure2k.com
=====>Frosty@exposure2k.com

[Citabria]

6076feet: 1nm, 1kt

5280feet: 1sm, 1mph

[Widewing]

 

Originally posted by GRUNHERZ:
Hi

Here are some numbers on the FW190D-9 Dora, from official Focke-Wulf WW2 German document dated 1.10.1944

Have your read Eric Brown's flight test summary of the Fw 190D-9? If not, I can post some of it here.

My regards,

Widewing

[StSanta]

Wide, does it list objective data such a climb rate etc, or subjective things such as his view on the plane?

The latter depends to some degree on how used a pilot is to a particular plane and what he has flown in the past.

Post them anyway. Will be interesting reading.

------------------
Baron Claus "StSanta" Von Ribbentroppen
9./JG 54 "Grünherz"

"I don't necessarily agree with everything I think." - A. Eldritch

[danish]

Santa
Brown is *the* most experienced test pilot in the WW2 aera AFAIK.He flew about every plane that pops up on this board, and then some.
Problem is that he has conclusions that dosnt fit into some peoples universe, especially the Manly-Blue-No-Torque-Spray-and-Pray-Wizards.You will like him ;=)

Oh, and he advocates the Fw ;=)

danish

[This message has been edited by danish (edited 01-29-2001).]

[Vermillion]

In the link Funked Posted there is several scanned original Focke-Wulf factory test documents that have VERY good data on the 190D9, with and without MW50.

------------------
Vermillion
**MOL**, Men of Leisure

[GRUNHERZ]

Frosty and Verm thats the document I got the figures from, I just took the extra effort to convert it to US values for easy comparisons in AH. It and a bunch of other FW190 related original WW2 data tables were reproduced in the Harmann Ta152 book. Too bad my scanner doesnt work on this pos puter!  

thanks GRUNHERZ

[This message has been edited by GRUNHERZ (edited 01-29-2001).]

[niklas]

Don´t forget the charts from Naudet, which aren´t included in the book of the TA152
 http://bbs.hitechcreations.com/smf/Smileys/default/Forum9/HTML/001094.html