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Vollmetal Alternative Propulsion System


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the mod aims to archive a system whre you dont have to fokus on fuel that much. if you like flying like in the TV series the expanse. but dont like to cheat fuel either. making it an scifi mod

adds a system where you have to burn Exotic Fuel(1) in a Ractor(2) to produce Reactor Power(3), the ammount of power generated determines how many and wath size of exhaust (engines(4)) you can use so you have somewhere in your craft an heavy, expensive and hot reactor. and on the craft exhaust points.


  • get everywhere in a singe stage fast


  • heat: your reactor need coolig. or you get heavy efficency deficits (heat mechanics are still tweaking)
  • high cost (you can build right from the start. if you can afford itl)
  • heavy
  • it also has mainly vanilla parts designs. because i dont know how to model and animate (except one solar panel from another mod), iam hiring if you can model me some.


  • Reactors: The heart of the vessel. produces the energy needed to propell it. very hot and expensive
  • Exhaust: exhaust points for the reactor energy. high thrust, small and high ISP
  • Storage Unit A modular storage unit. that can change its storagy type. even in flyght!
  • Solar Sail A enormus structure that generates a little ammount of reactorpower. not enough to propell the vessel.. but with capacitors you maybe dont need fuel anymore on long journes
  • Factory A part that converts ore in exotic fuel.
  • Compact fly assistant: rovemate and avionics hub in a tiny box

Short Build Explanation

first you need to choose your reactor. the reactor determines the amount and size of exhaust you can use (1 smal reactor can support 2 nano exhaust. or 0.5 small exhaust) you have to deal with the heat too.

then you can place your desired exhaust points. you can attach them everywhere!.

last you need some exotic fuel storage. put the modular storage unit in our craft, and configure it to the wanted resource


*1 "Exotic Fuel (EF)": cost 32 per unit (liquid fuel is 0,8), only used in the reactor to Produce Reactor Power. the fuel is 20 times "better" then liquid fuel

*2 "Reactor": uses exotic fuel to make reactor power. that is then used by engines or RCS blocks, comes in small, medium and large (0,6m, 1,25m 2,5m)

*3 "Reactor Power (RP)": generated by reactors or very very little by solar sails. can be stored in configurable storages or directly used in rcs blocks and engines

*4 "Engines" extra engines that use reactor power to propell the vessel. 3 in total + RCS the larger the engine: more reactor power needed. but even a 0.5. they have an extreme thrust

contacte me here if you have questions or something: or if you want to help me to make the mod more fleshed out

Lyzz#2142 (Discord)


https://spacedock.info/mod/3011/VM Vollmetall Alternative Propulsion System








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It allows reusers to distribute, remix, adapt, and build upon the material in any medium or format, for noncommercial purposes only. 
If others modify or adapt the material, they must license the modified material under identical terms.


Edited by Lyzz
link back again (the contec has been updated and is now free of licensed contet from nertea)
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