This modest part pack is designed to provide some new rocket engines that run on Liquid Hydrogen and Oxidizer. There are six models provided, two in each of the 1.25, 2.5 and 3.75m sizes. These engines have better fuel efficiency than the KSP stock engines, up to 455s, but beware! They're more expensive and produce less thrust per unit weight. In addition, liquid hydrogen is less dense than liquid fuel, so for the same Delta-V, you will need more tank volume.
To store your liquid hydrogen fuels, I've provided ModuleManager/B9PartSwitch configs that allow you to change the contents of stock tanks between LF/O, LH2/O, LF, O and LH2. These should work with most mod tanks, but no promises. However, Liquid Hydrogen is very temperamental and without the proper storage it will slowly evaporate ("boil off"). Therefore, I provide special cryogenic tanks bundled with the mod, that use a small amount of Electric Charge to stop the evaporation.
This mod is designed to synergize well with Kerbal Atomics 0.2.0+, and with the various Near Future Technologies mods I make.
Raw stats are from the beginning of time until now. Each follower and download entry represents one hour of data. Uneventful hours are omitted.