North Korea's new monstrous MLRS ("Pukguksong MLRS")
 
and its shorter derivative (SLRS)

Norbert Brügge, Germany
 

Update: 29.11.2022
 

 

2022, April 17 -- On this day the firing of a small tactical missile from a battery with 4 boxes was shown. Based on the dimensions of the transporter it can be concluded that the rocket has a length of about 4.5 m and a diameter of 0.62 m and is a derivative of the MLRS (see analysis).

             

 

2020, March 29 -- On this day North Korea fired a missile of its MLRS for the ninth time.
 
For the first time a track vehicle was used, known from the PS GLBM-1, on which a battery of
six tubes is now mounted.

 

A photo from 2019 (left) shows the same vehicle. A launch campaign is not known.

2020, March 02 -- On this day North Korea fired missiles of its MLRS for the seventh time.
2019, Nov. 28 -- On this day North Korea fired missiles of its MLRS for the sixth time.
2019, Oct. 31 --
On this day North Korea fired missiles of its MLRS for the fifth time.
2019, Sept. 10 --
On this day North Korea fired missiles of its MLRS for the fourth time.


31.10.2019


28.11.2019


02.03.2020


09.03.2020

2019, Aug. 24 -- For the first time, North Korea presented detailed images of the new monstrous rocket of an MLRS, firing for the third time on this day. Unlike before (Juny 31 and Aug. 02), the launch of two missiles each from a 4-tube system (2 on 2), which is mounted on a vehicle with 6 wheels. The 3-tube system was before mounted on a wide tracked vehicle with 10 axles. The term "monstrous" refers to the unusual dimensions of the missile of this MLRS (KN-25).

 

 

What is the origin of this rockets ?

It is reported a diameter of the tubes of about 70 cm, which could correspond to the facts. This suggests that the rocket has a diameter of about 60 cm. Since it is unlikely that North Korea has developed a completely new motor of this diameter, we should assume an existing solid-fuel motor. In this case, the motor of the Russian OTR Totchka (9M79) offers, which is demonstrably available to North Korea. The uncertainty, however, is whether the originaly nozzle withstands the thrust of a longer motor. A new, more robust nozzle may be used.

The "Totchka" motor has a diameter of 62 cm. If the motor of OTR Totchka welded use three times in a row results it in the dimension of ~ 8 m for the MLRS. The problem with bulky 6 fins was solved in the tube elegantly.


We can see that the rocket has in the tube six round-folded fins, fixed by brackets

 

The SLRS is obviously a derivative of the MLRS and uses only the first segment.