HWK 109-509-A-1 rocket engine used in the Messerschmitt Me 163 B-1.

660 to 3740 lbs. Fueled by 80% hydrogen peroxide (aka T-Stoff) and Hydrazine hydrate/methanol ( a mix of 30% hydrazine hydrate + 57% methanol + 13% water with a small amount of potassium-copper-cyanide, aka C-Stoff).

NASM's Udvar-Hazy Center, Jan 2014