Hey everyone, I'm back! Again. But anyways after a few months of putting it off I've finally finished my S-51 SPG. Built on my own KV-1 chassis and with a bunch of neat features I'll talk about below.

So first some background on the vehicle from Wikipedia.
"S-51 (also called U-19) - Experimental self-propelled gun projected by the Grabin Artillery Projects Central Department armed with the 203 mm howitzer M1931 (B-4) cannon in a KV-1S hull. The vehicle was to have 75 mm of frontal armour, 60 mm on the side, and the roof was to be 30 mm (the roof would have been removable to facilitate loading). It was projected to weigh 66 tons, one prototype passed by the testing grounds in the spring of 1944 but it was not very successful and was cancelled within a year."

Features:
Deployable gun shield
Flare/Chaff combo that looks like the gun is firing

Controls:
Throttle to control left side, Pitch to control the right
Trim to elevate or lower the gun
Group 1 and VTOL to traverse the gun left and right
Group 2 and VTOL to raise or lower the gun shield
Countermeasures to "fire" the gun
Bomb button to fire the gun