[kurlannaiskos]

Originally Posted by Jens

My Materials about soviet planes are at home, so i cant answer properly, but what i know from mind is:

Yak-9M indeed had the bad performance, all sources confirm that. It was like a mass plane for great parts of fighter air force. In a way it was also a multi-role plane

please don't make the same mistake I did when my post last night was from memory...
that's the first thing to go.

according to another source I checked the Yak-9M did indeed start receiving the VK-105PF-2 beginning on October 1944.
the only test data I can find states that in December 1944 a Yak-9M was tested at NII and found to weigh 3,095 KG and could fly at 528 KM/H at sea level and 573 KM/H at 3,750 M

the Yak-9M is a follow-on to the Yak-9D , it fulfills the same role.