Where to start? Achieved 700 kmh? With what engines? Night fighters don't need to be manoeuvrable, but stable. The two are opposites. Tank planes more agile? The Fw 190 wasnt more agile than the Bf 109. There is nothing else to compare. Other aircraft are not comparable. I have never heard that Tank made pilot friendly aircraft. I wouldn't even know what that means. Any aircraft would be outstanding with a Jumo 213E.
Kris
In Dietmar Hermanns Book about the Ta 154 (recommended!) it is mentioned that the plane could and DID achieve 700 km/h albeit with the Jumo 213A but without NF equipment if memory serves me right.
And while there are sources who critisized some of the 154's flying characteristics, there are also some pilots like Gottfried Schneider from NJG 3 who say that it was not "a pig" but pleasantly to fly being almost "as maneuverable as any single engined fighter, even more so than the Fw 190". While this may be an exaggeration it speaks volumes about the plane. It was much more agile than the Ju 88 and Me 110 and also than the He 219 which did not fly like a fighter because of being quite heavy.
Special emphasis was put to the torsional stiffness of the wing (as in the Fw 190 series) to ensure good high speed handling, agility and control, which was not the case with the Messerschmitt planes as Willy wanted his planes to be build in "Leichtbauweise" (light weight construction) with its inherent weaknesses. Erhard Milch mentioned it several times.
It appears that the Ta 154 was also a good weapons platform.
It also needed to be agile to be a good Mosquito hunter. The required speed could then only surely be reached with Jumo213E though.
In the book "Kurt Tank: Focke Wulf's designer and test pilot" it is stated that Tank, being a seasoned test pilot himself wanted his planes to be sturdy and easy to maintain and fly "men who had had received only short training".
In this book he is interviewed so some self-adulation might have occured but who doesn't.
Remember his quotation about the cavalry horse concept!
Recently a guy told me that Tank ceased to be a designer after leaving Rohrbach but if that's true I guess maybe he gave Focke Wulf its design philosophy.
Huey