Difference between revisions of "J-90 "Goliath" Turbofan Engine"

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(Usage: added basic info about in flight effects of thrust reversing with only some of the engines.)
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== Usage ==
 
== Usage ==
It is the only jet engine with large [[radial size]], and built in [[air intake]]. This airliner engine's thrust and multiplier curve for velocity make this engine ideal for subsonic large Mk3 [[plane|airplanes]], but also limits its role this purpose. Note that this engine is capable of going into reverse, much like the [[J-33 "Wheesley" Turbofan Engine]], which makes it useful for rapid deceleration during landing and for backing into hangars. Since aircraft are usually built with more than one of this engine, it can also be handy for making sharp turns on the ground, since one engine can be put into reverse while the other continues pushing forwards.
+
It is the only jet engine with large [[radial size]], and built in [[air intake]]. This airliner engine's thrust and multiplier curve for velocity make this engine ideal for subsonic large Mk3 [[plane|airplanes]], but also limits its role this purpose. Note that this engine is capable of going into reverse, much like the [[J-33 "Wheesley" Turbofan Engine]], which makes it useful for rapid deceleration during landing and for backing into hangars. Since aircraft are usually built with more than one of this engine, it can also be handy for making sharp turns on the ground, since one engine can be put into reverse while the other continues pushing forwards. However, reversing on one side should be avoided in flight, as severe changes in lift on certian areas of the airframe will occur, possibly leaving the flight unrecoverable.
  
 
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Revision as of 20:05, 30 January 2016

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J-90 "Goliath" Turbofan Engine
Part image
Jet engine by
C7 Aerospace Division

Radial size Radial mounted
Cost (total) 2 600.00 Funds
Mass (total) 4.50 t
Drag 0.2
Max. Temp. 2000 K
Volume  ?
Impact Tolerance 7 m/s
Research HeavyAerodynamics.png Heavy Aerodynamics
Unlock cost 15 000 Funds
Since version 1.0.5
Part configuration jetEngineBig.cfg
Jet engine
Maximum thrust 360 kN
Isp (max) 12600 s
Fuel consumption 0.58 Units of fuel/s
Intake air consumption 132.27 Air unit/s
Thrust vectoring No
Intake speed 30
Intake area 0.03 m2
Maximum intake air 3.4 Air unit
Testing Environments
On the surface Yes
In the ocean Yes
On the launchpad Yes
In the atmosphere Yes
Sub orbital No
In an orbit No
On an escape No
Docked No
Test by staging Yes
Manually testable Yes

The J-90 "Goliath" Turbofan Engine is a large jet engine added with version 1.0.5 of Kerbal Space Program. It is based on the Rolls-Royce Trent 800 and the GE90 high bypass turbofan engines.

Usage

It is the only jet engine with large radial size, and built in air intake. This airliner engine's thrust and multiplier curve for velocity make this engine ideal for subsonic large Mk3 airplanes, but also limits its role this purpose. Note that this engine is capable of going into reverse, much like the J-33 "Wheesley" Turbofan Engine, which makes it useful for rapid deceleration during landing and for backing into hangars. Since aircraft are usually built with more than one of this engine, it can also be handy for making sharp turns on the ground, since one engine can be put into reverse while the other continues pushing forwards. However, reversing on one side should be avoided in flight, as severe changes in lift on certian areas of the airframe will occur, possibly leaving the flight unrecoverable.

Visualization of the thrust multiplier curve for velocity
Visualization of the thrust multiplier curve for atmospheric pressure

Product description

The largest and highest thrust jet engine ever built. This engine works best at low cruising speeds and altitudes.

C7 Aerospace Division

Changes

1.0.5
  • Initial release




The table of the jet engines' thrust multiplier curves
Part Velocity curve(s) Atmosphere curve(s)
J90JunoBasicJetEngine.png


J-20 "Juno"

20.0 kN

J-20 Juno Basic Jet Engine velocity curve-temp.png
J-20 Juno Basic Jet Engine atmosphere curve-temp.png
J33WheesleyBasicJetEngine.png


J-33 "Wheesley"

120.0 kN

J-33 Wheesley Turbofan Engine velocity curve-temp.png
J-33 Wheesley Turbofan Engine atmosphere curve-temp.png
J404PantherAfterburningTurbofan.png


J-404 "Panther"

Dry Mode:
85.0 kN
Wet Mode:
130.0 kN

J-404 Panther Afterburning Turbofan velocity curves-temp.png
J-404 Panther Afterburning Turbofan atmosphere curves-temp.png
JX4WhiplashTurboRamjetEngine.png


J-X4 "Whiplash"

130.0 kN

J-X4 Whiplash Turbo Ramjet Engine velocity curve-temp.png
J-X4 Whiplash Turbo Ramjet Engine atmosphere curve-temp.png
J-90 Goliath Turbofan Engine.png


J-90 "Goliath"

360.0 kN

J-90 Goliath Turbofan Engine velocity curve-temp.png
J-90 Goliath Turbofan Engine atmosphere curve-temp.png
Rapier Engine 01.png


CR-7 R.A.P.I.E.R.

105.0 kN

CR-7 R.A.P.I.E.R. Engine velocity curve-temp.png
CR-7 R.A.P.I.E.R. Engine atmosphere curve-temp.png