Tripod
58 comments
New type of temperature controller
26 comments
Little City
11 comments
Helios Fusion Reactor
17 comments
sponge vs. Uranium 2
25 comments
Leidenfrost Effect
19 comments
Realistic Steam Engine
10 comments
Port Walrington
20 comments
boat engine
29 comments
Reentry challenge, hard.
109 comments
simple boiler
31 comments
Astral-Class Supercarrier
73 comments
Revanant-b-Class Surface Assault Vehicle
78 comments
FIRW LAZOR
39 comments
Uranium-nuclear reactor & powerplant
10 comments