The 21cm NW42 was a larger version of the 15cm NW41. Due to it larger size, the 21cm NW42 had five launching tubes compared to the six on the 15cm NW41. Mounted on a towed carriage derived from the 3.7cm PaK36 anti-tank gun, it featured a stabilizer fitted to the front in order to maintain balance when firing.
The rockets were spin-stabilized and fired electrically, however the back blast created when launching the rockets left a highly visible smoke trail which left the position vulnerable to counter battery fire. Crews often had to act quickly to relocated their positions to avoid such occurrences.
Fitted with either impact or delay fuses, the rockets themselves were only armed with high explosive warheads. In order to utilize the smoke ammunition of the 15cm, liner rails could be fitted. Despite the improvements in the 21cm rocket, it continued to suffer from the dispersion problems as experienced with the 15cm rocket.
In Flames Of War
A battery of 21cm NW42 launchers provides a cheaper option when compared to traditional artillery pieces with improved performance compared to the 15cm NW41.
Range: 72”/180cm; Anti-tank 3; Firepower 3+.