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Last modified on 1/12/2014 12:36 PM by User.



Reference system: 14 Communication 
Reference system: 3 Scanning / Navigation 
Mach 5+ heat plasma interferes with comm and nav, tactical sensors, etc
Reference system: 2 Strut 
Reference system: 10 Docking Mechanism 
Reference system: 6 Audrey Computer 
Reference system: 13 Fuel / Injectors 
Reference system: 4 Core 
Reference system: 5 Coolant System 
Reference system: 1 Propulsion 
Reference system: 12 Tactical / Weaponry 
Reference system: 11 Electrical 
Reference system: 15 Environmental 
Reference system: 8 Bulkheads 
Reference system: 7 Hull - differential hull temperature sensors, hull ionization sensors
Reference system: 9 Shields/Defense


Two coolant loops, two pumps, two intercoolers.  NO MORE REDUNDANCY THAN THAT - the thing is designed for short hops between ground and orbit with support at both locations... cooling is not a problem in the atmosphere!
Stuff on the right side of the ship could be on one loop unless it fails and then valve to switch to other loop?
Use fuel as coolant...  Reactor is always running and as the fuel comes out of cryogenic storage it will cool well.
Things with moving parts can be cooled by cooling the lubrication with it's own exchanger so all we have to do is connect the coolant loops.
Some of the coolant system is used for stealth to mask nozzles from heat signature detection (although the manual says they use air... I feel like anhydrous ammonia would work better).




What heat generating pumps, etc are part of the pressure cell?  Need to use coolant to dissipate to pressure cell when we need heat... CO2 scrubbers and supplemental oxygen.  CO2 scrubbers are regenerative and use low voltage DC but not sure voltage but I have seen units .25 A.


Venus has no oxygen... Turbofan run by fuel/oxidizer would work good for atmosphere, VTOL, and make the cool noise I want at low altitudes... afterburner is essentially rockets
RCS system includes up, strafe... engines could handle up/down, forward/reverse... could do down/forward/back too at much lower specific impulse
intake would close as we start rocket fuel... maybe even change shape like a bullet head instead of a flat plate drag
need to cool the walls, the nozzle, (and at high speeds the cowl inlet) for stealth purposes... if we use fuel to cool we can use the heated fuel for an extra punch
so noise in the hangar that sounds like an APU would have to be engines spooling to standby for atmospheric reentry... like a run-up?  no that won't work unless they are EDF... so what is the noise?  reactor wouldn't make any noise... 
we still need some kind of electrical power generator... could use the fuel (hypergolic?) to power it and the RCS


pump and turbopump/boost pump at each engine and fuel cell... 
so we would need an oxidizer basically all the time at venus... and a fuel separately?  having 2 engines is built in redundancy so we have two feeds per engine (fuel and oxidizer) to each of two engines ... total of 4 pumps
Dinitrogen tetroxide (N2O4) and UDMH (H2NN(CH3)2is hypergolic which means we won't need ignitors ... ... they are common as there is a lot of nitrogen and good quantity of bound oxygen (sulfur dioxide) on venus. UDMH can also be used to scrub CO2 out of the air?
Oxidizer tanks are located aft of payload bay around skid (probably on sides)
Fuel tank (1/6th ratio) but ok 6 pounds of oxygen takes up 0.63 gallons of volume whereas 1 pound of hydrogen takes up 1.693 gallons of volume... 2.69 times the space, so overall we need less than half the volume of hydrogen than oxygen.


Three loops, three electrical driven pumps... can't rely on the engines
Thrust nozzles, Thrust vector, landing gear, flight controls, spoilers, flaps trail, flaps lead, ramp door, gantry
Two loops to each component depending on their location


Damage decreases stealth, increases drag, decreases lift on airfoils
Component Class:
hours in service
service life
btu per hour per unit of work?
current temp
damage %
electrical power supply
fuel supply
lubrication oil subsystem?
hydraulic pressure 
sensors which tell you if the system is functioning correctly (false indication)
dependency (circular is okay, only one component is evaluated per frame so you have cascade effects of dropping pressures, systems shut down not exactly at the same time from the same damage (delays less than 1 second))