Source: @drone_wars_ on Instagram
The Russo-Ukrainian War is seeing more and more the usage of UGVs (Unmanned Ground Vehicles) by not only the Ukrainian military but the Russian Federation as well. The majority are used for logistical missions and even casualty evacuation while some UGVs are utilized on area denial operations (by laying mines), support of aerial UAV (Unmanned Aerial Vehicles) sorties (as relay transmitters and/or electronic warfare platforms), and as seen here, equipped with weapons to support units in the field. The particular model pictured is what looks to be a prototype Droid NW 40, designed by the Ukrainian company DevDroid. That this is not the production Droid NW 40 is because the chassis is that of the Droid TW 12.7, another UGV offered by DevDroid which is equipped with a Browning M2 .50 caliber heavy machine-gun. Here, the armament system for the Droid NW 40 has been fitted for testing purposes.
The Droid NW 40 is billed as a reconnaissance-strike UGV designed to engage light armored targets, soft-skin vehicles (meaning unarmored), infantry, defensive positions, and battlefield reconnaissance. To engage such target types, the Droid NW 40 is fitted with either the Ukrainian produced AGL-53 or the U.S. military's Mk.19 automatic grenade launcher. The latter have been in use by Ukrainian troops, having been supplied by Canada and the United States. Both fire the NATO standard 40x53mm grenade. In the photograph, the weapon is the AGL-53. For some of the grenade types available, see the link below about the Repkon Defence RDS-40 which lists out some of the more common munitions.
The Droid NW 40 platform allows for a maximum firing range of .9 of a mile (1.5 kilometers). A total of 48 rounds of ammunition is carried in a can to the left of the weapon. Specific performance data on the AGL-53 isn't known but likely is similar to the Mk.19 with a 300 to 400 round per minute rate of fire. With no ability for the Droid NW 40 to be reloaded with ammunition without the UGV returning to its support base, the operator can fire single-shot or fire in very brief bursts. The combat module mounting permits a total of 270 degrees of traverse, maximum elevation of 65 degrees, and a maximum depression of 5 degrees. The combat module can rotate and elevate/depress 100 degrees every second. The operator manually aims and fires the grenade launcher or aiming can be conducted by entering coordinates. In the latter mode, the aiming tabulations will be calculated so that the grenade launcher can be aimed in order to strike the designated target.
Power comes from an electric motor though DevDroid does not provide a maximum speed for the Droid NW 40 in their literature. The Droid TW 12.7 has a top speed of 4.3 miles per hour so the Droid NW 40 is likely in the same range. The Droid NW 40 has a maximum operational range of 31 miles on roads and off-road, the maximum range drops to 25 miles. Endurance-wise, the onboard batteries permit 120 hours of power assuming the Droid NW 40 is stationary (for example, as a static gun position) but if active in the battlefield, then the endurance is reduced to 12 hours.
Operator vision comes from the optic suite seen below the barrel of the AGL-53. Besides the daylight cameras, there is a thermal imager that permits the Droid NW 40 to engage enemy targets at night as well as in low visibility conditions such as smoke, dust, and fog. Linkage to the Droid NW 40 can be accomplished using radio communication products such as Wi-Fi and Sine Link modules (from Sine Engineering). If required (or desired), the Droid NW 40 can be upgraded to utilize Starlink, LTE, or a Mesh network.
As a note, the production Droid NW 40 uses the same tracks and drive train along with the middle section as the Droid TW 12.7. However, the battery compartments and other component covers situated on the sides of the UGV are longer and boxier than on the Droid TW 12.7 as the Droid NW 40 has a longer range and endurance.
For further information on the 40x53mm grenade types, visit:
https://photosofmilitaryhistory.blogspot.com/2025/02/russo-ukrainian-war-repkon-defence-rds.html
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