U42

By Date

NEP Engine

U42 0 comments

Thermionic heat engine

U42 0 comments

High Temperature Lithium Reactor

U42 0 comments

NTR modded

U42 0 comments

Thermal Gates

U42 0 comments

Thermal NAND gate

U42 8 comments

CRMC pressure sensor 2

U42 0 comments

CRMC Pressure sensor

U42 0 comments

Remote detonated A bomb

U42 0 comments

silicon screen attempt idk

U42 4 comments

NSWR like rocket

U42 0 comments

Oil NTR

U42 0 comments