Difference between revisions of "User:Jlmr"

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|-
 
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| [[Image:MK1COCKPITthumbnail.png|60x60px|]]
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| [[Image:MK1COCKPIT.png|60x60px|]]
| [[Cockpit Mk1]]
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| [[Mk1 Cockpit]]
 
| {{#switch:{{{1}}}
 
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|=Small
 
|=Small
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| [[Image:Mk2cockpit.png|60x60px|]]
| [[Cockpit Mk2]]
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| [[Mk2 Cockpit]]
 
| {{#switch:{{{1}}}
 
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| [[Image:Mk3_cockpit-t.png|60x60px|]]
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| [[Image:Mk3cockpit.png|60x60px|]]
| [[Cockpit Mk3]]
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| [[Mk3 Cockpit]]
 
| Mk3
 
| Mk3
 
| 1600
 
| 1600
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| [[Image:Command_pod_mk1-t.png|60x60px|]]
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| [[Image:Command Pod Mk1.png|60x60px|]]
 
| [[Command Pod Mk1]]
 
| [[Command Pod Mk1]]
 
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|-
 
|-
| [[Image:Mk1-2_command_pod-t.png|60x60px|]]
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| [[Image:Mk1-2commandpod.png|60x60px|]]
| [[Command Pod Mk1-2]]
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| [[Mk1-2 Command Pod]]
 
| {{#switch:{{{1}}}
 
| {{#switch:{{{1}}}
 
|=Large
 
|=Large
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| [[Image:Mk55_radial_engine-t.png|60x60px|]]
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| [[File:Mark 55 Radial mount engine.png|60x60px|]]
 
| [[Rockomax Mark 55 Radial Mount Liquid Engine]]
 
| [[Rockomax Mark 55 Radial Mount Liquid Engine]]
 
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| [[Image:Lv-t30_small-t.png|60x60px|]]
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| [[File:LV-T30 Liquid Fuel Engine recent.png|60x60px|]]
 
| [[LV-T30 Liquid Fuel Engine]]
 
| [[LV-T30 Liquid Fuel Engine]]
 
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| {{#switch:{{{1}}}
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| -
 
| -
 
|-
 
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| [[Image:Lv-t45-t.png|60x60px|]]
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| [[File:LV-T45 LFE.png|60x60px|]]
 
| [[LV-T45 Liquid Fuel Engine]]
 
| [[LV-T45 Liquid Fuel Engine]]
 
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| {{#switch:{{{1}}}
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| [[Image:Lv-909_small-t.png|60x60px|]]
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| [[File:LV-T909 LFE.png|60x60px|]]
 
| [[LV-909 Liquid Fuel Engine]]
 
| [[LV-909 Liquid Fuel Engine]]
 
| {{#switch:{{{1}}}
 
| {{#switch:{{{1}}}
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| 0.5
 
|-
 
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| [[Image:Toroidal_aerospike-t.png|60x60px|]]
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| [[File:ToroidalAerospikeRocket.png|60x60px|]]
 
| [[Toroidal Aerospike Rocket]]
 
| [[Toroidal Aerospike Rocket]]
 
| {{#switch:{{{1}}}
 
| {{#switch:{{{1}}}
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| -
 
| -
 
|-
 
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| [[Image:Lv-909_large-t.png|60x60px|]]
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| [[File:RockomaxPoodle.png|60x60px|]]
 
| [[Rockomax "Poodle" Liquid Engine]]
 
| [[Rockomax "Poodle" Liquid Engine]]
 
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| [[Image:Lv-t30_large-t.png|60x60px|]]
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| [[File:Rockomax Mainsail transparent.png|60x60px|]]
 
| [[Rockomax "Mainsail" Liquid Engine]]
 
| [[Rockomax "Mainsail" Liquid Engine]]
 
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| [[Image:LVN.PNG|60x60px|]]
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| [[File:LV-N Atomic.png|60x60px|]]
 
| [[LV-N Atomic Rocket Engine]]
 
| [[LV-N Atomic Rocket Engine]]
 
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}}
 
}}
 
|-
 
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| [[Image:Rt-10_booster-t.png|60x60px|]]
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| [[Image:RT-10.png|60x60px|]]
 
| [[RT-10 Solid Fuel Booster]]
 
| [[RT-10 Solid Fuel Booster]]
 
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| [[Image:Rt-b20_booster-t.png|60x60px|]]
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| [[Image:BACC_SFB.png|60x60px|]]
 
| [[Rockomax BACC Solid Fuel Booster]]
 
| [[Rockomax BACC Solid Fuel Booster]]
 
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|-
| [[Image:Sepratron 1.PNG|60x60px|]]
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| [[Image:Sepratron.png|60x60px|]]
| [[Sepratron 1]]
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| [[Sepratron I]]
 
| {{#switch:{{{1}}}
 
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|=Radial Mounted
 
|=Radial Mounted
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|ru=[[wikipedia:ru:Управление_вектором_тяги|УВТ]]
 
|ru=[[wikipedia:ru:Управление_вектором_тяги|УВТ]]
 
|#default=[[w:Thrust_Vectoring|TVC]]
 
|#default=[[w:Thrust_Vectoring|TVC]]
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}}
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!colspan=3|{{#switch:{{{1}}}
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|=Intake
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|ru=впускного
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|#default=Intake
 
}}
 
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! scope="col" width="60px" | {{#switch:{{{1}}}
 
! scope="col" width="60px" | {{#switch:{{{1}}}
|=Opt. Airflow
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|=Airflow
|ru=Оптимальный воздушный поток
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|ru=воздушный поток
|#default=Opt. Airflow
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|#default=Airflow
 
}}
 
}}
  
 
! scope="col" width="60px" | {{#switch:{{{1}}}
 
! scope="col" width="60px" | {{#switch:{{{1}}}
|=Int. Size
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|=Size
|ru=Размер впускного
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|ru=Размер
|#default=Int. Size
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|#default=Size
 
}}
 
}}
  
 
! scope="col" width="60px" | {{#switch:{{{1}}}
 
! scope="col" width="60px" | {{#switch:{{{1}}}
|=Int. Power
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|=Power
|ru=Впускной питания
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|ru=Впускной
|#default=Int. Power
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|#default=Power
 
}}
 
}}
  
 
|-
 
|-
| [[Image:Basic_jet_engine-t.png|60x60px|]]
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| [[Image:Basicjetengine.png|60x60px|]]
 
| [[Basic Jet Engine]]
 
| [[Basic Jet Engine]]
 
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| {{#switch:{{{1}}}
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| [[Image:Turbojet-t.png|60x60px|]]
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| [[Image:Turbojetengine.png|60x60px|]]
 
| [[TurboJet Engine]]
 
| [[TurboJet Engine]]
 
| {{#switch:{{{1}}}
 
| {{#switch:{{{1}}}

Latest revision as of 10:02, 24 April 2014

KSP is just what I have been looking for! A creative space simulator! Now if the team at Squad would just add little things like, ships, air balloons, zeplins, bombs, guns, missiles, subs, lasers, ground combat, animals, city/nation building, multiplayer, space colonies, space docks, space construction yards, asteroid mining, resources/economy... Hey, I can hope right? =)

Kerbals at War = OMG!!! *drools*

My stuff

Units of measure

  • While units of mass and thrust are not specifically labeled in-game, a bit of logic can quickly determine that thrust is measured in kilonewtons (kN) and mass in metric tons (t). For example, if measured in kilograms(kg), a "9 kg" Rockomax X200-16 Fuel Tank on Kerbin, having a surface gravity of 9.81 m/s2, would be roughly the size of a 48 oz coffee tin and only hold about 1.5 L of fuel. If measured in metric tons, a 9 t Rockomax X200-16 Fuel Tank under the same gravity would be about 0.67 m tall and 2 m in diameter, easily capable of holding the advertised 1600 L of fuel. Only a rocket engine with a thrust around 100 kN could have any chance to lift a 9 t fuel tank.
  • Thrust to weight ratio at sea level on Kerbin is calculated by the following equation, which applies only to liquid or solid fuel rocket engines, jet engines use a complicated formula on a vehicle to vehicle basis.

where:

is the thrust is the thrust obtained from the engine, in kilonewtons.
is the weight of the engine at sea level on Kerbin's surface.
is the mass of the engine in metric tons (t).
is the acceleration at sea level on Kerbin's surface, in m/s² (≈9.807 m/s²).
  • Specific impulse at sea level on Kerbin is is calculated by the following equation.

Justification for t and kN (or 1000's kg and 1000's of N)

  • An official NIST/SI publication: http://physics.nist.gov/Pubs/SP330/sp330.pdf states that kilonewton (kN) is a valid SI unit to represent 1000 N and ton (t), while historically a non-SI unit, has been accepted for use in the SI system by CIPM as a valid unit to represent 1000 kg for just over a century.
  • We already know that the game uses SI units. These are specifically labeled: meters for units of distance, meters/sec for acceleration, liters for fuel volume, and liters/sec for fuel consumption.
  • We know that the Mk1-2 Command Pod weighs 4 "units" from the in-game description. The command pod is roughly 2 m in height and 2 m in diameter. Calculating it's total volume gives us about 2.09 m3. Let's assume the capsule has 0.05 m (2 in) thick walls and subtract the interior void to get only the volume of the capsule walls. This gives us a volume of 1.80 m3.
    • Knowing the volume of the walls, we can calculate the density of the material making up the capsule, taking the 4 in-game units to mean kg, this comes out to be about 13.79 kg/m3. Unfortunately, is about 72.29 times less dense than water at room temperature and closer in density to most gasses! Perhaps Kerbals have discovered a super strong gas-like substance to make spaceships from? =)
    • However, if we take the 4 in-game units to mean metric tons, we get a density of around 13793.10 kg/m3, well within the range of the density of real building materials.
  • The wikipage on Kerbin states it has a surface gravity of 9.81 m/s2, roughly that of Earth.
    • Given this we can calculate the following. If measured in kilograms(kg), a "9 kg" Rockomax X200-16 Fuel Tank on Kerbin, having a surface gravity of 9.81 m/s2, would be roughly the size of a 48 oz coffee tin and only hold about 1.5 L of fuel. Unfortunately for our intrepid Kerbals, 1.5 L of fuel would not provide enough energy to lift a 9 kg payload through 75,000 m of atmosphere, much less a few hundred meters.
    • If measured in metric tons, a "9 t" (9,000 kg) Rockomax X200-16 Fuel Tank under the same gravity, being about 0.67 m tall and 2 m in diameter, gives a volume of 2104.87 L, more than enough to hold the advertised 1600 L of fuel. Only a rocket engine with a thrust around 100 kN (100,000 N), could have any chance of lifting the 9 t (9,000 kg) fuel tank.
    • Similarly, a substance weighing only 8 kg with a volume of 1,600 L has a density of 5 kg/m3, only about three times greater than the density of gaseous oxygen, and would not make an efficient fuel. Whereas, a fuel weighing 8 t with a volume of 1,600 L has a density of 5000 kg/m3, closer to a realistic rocket fuel.

My "Sandbox"

  • Currently testing column widths and categories to standardize and future proof part tables.

Template:Stats Table Command Pods

Image Part Size Cost ($) Mass (t) Drag Max Temp (K) Tolerance Max SAS τ Crew
MK1COCKPIT.png Mk1 Cockpit Small 1800 1.25 0.1 3400 45 5 1
Mk2cockpit.png Mk2 Cockpit Small 1600 1 0.08 3400 40 5 1
Mk3cockpit.png Mk3 Cockpit Mk3 1600 1 0.2 3400 50 5 3
Command Pod Mk1.png Command Pod Mk1 Small 600 0.8 0.2 3400 14 5 1
Mk1-2commandpod.png Mk1-2 Command Pod Large 1800 4 0.2 3400 45 5 3

Template:Stats Table Liquid Fuel Engines

Fuel (L/s) Isp (s) TVC
Image Part Size Cost ($) Mass (t) Drag Max Temp (K) Tolerance Thrust (kN) T/W ratio atm vac atm vac Gimbal (°)
Mark 55 Radial mount engine.png Rockomax Mark 55 Radial Mount Liquid Engine Radial Mounted 850 1.5 0.2 3600 7 120 8.2 8.7 7.4 280 330 1.0
LV-T30 Liquid Fuel Engine recent.png LV-T30 Liquid Fuel Engine Small 850 1.25 0.2 3600 7 215 17.5 13.7 11.8 320 370 -
LV-T45 LFE.png LV-T45 Liquid Fuel Engine Small 950 1.5 0.2 3600 7 200 13.6 12.7 11.0 320 370 1.0
LV-T909 LFE.png LV-909 Liquid Fuel Engine Small 750 0.5 0.2 3600 7 50 10.2 3.4 2.6 300 390 0.5
ToroidalAerospikeRocket.png Toroidal Aerospike Rocket Small 850 1 0.2 3600 20 250 25.5 13.1 13.1 390 390 -
RockomaxPoodle.png Rockomax "Poodle" Liquid Engine Large 600 2.5 0.2 3600 7 220 9.0 16.6 11.5 270 390 2.5
Rockomax Mainsail transparent.png Rockomax "Mainsail" Liquid Engine Large 850 6 0.2 3600 7 1500 25.5 109.3 92.7 280 330 1.0
LV-N Atomic.png LV-N Atomic Rocket Engine Small 1700 2.25 0.2 4000 12 60 2.7 5.5 1.5 220 800 1.0

Template:Stats Table Solid Fuel Boosters

Solid Fuel Density is 1273-1910 kg/m3 - (Sepratron 1 fuel density is 31831 kg/m3) Mass (t) T/W ratio
Image Part Size Cost ($) Full Empty Drag Max Temp (K) Tolerance Thrust (kN) Full Empty Burn (s) Isp (s)
RT-10.png RT-10 Solid Fuel Booster Small 450 3.5 0.5 0.3 3600 7 250 7.3 51.0 25 212
BACC SFB.png Rockomax BACC Solid Fuel Booster Small 800 6.75 0.75 0.3 3900 7 550 7.6 68.0 30 280
Sepratron.png Sepratron I Radial Mounted 100 0.15 0.05 0.3 3600 7 20 13.6 40.8 5 102

Template:Stats Table Jet Engines

Isp (s) TVC Intake
Image Part Size Cost ($) Mass (t) Drag Max Temp (K) Tolerance Thrust (kN) T/W ratio Fuel (L/s) atm Gimbal (°) Airflow Size Power
Basicjetengine.png Basic Jet Engine Small 950 1 0.2 3600 7 100 10.2 0.3 1456 stall - 7282 max 2.5 200 1.1 125
Turbojetengine.png TurboJet Engine Small 950 1.2 0.2 3600 7 150 12.7 0.4 546 stall - 8192 max 2.5 60 1.0 200