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{{Short description|Turbofan engine for cruise missiles}}
<!-- This article is a part of [[Wikipedia:WikiProject Aircraft]]. Please see [[Wikipedia:WikiProject Aircraft/page content]] for recommended layout. -->
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{|{{Infobox Aircraft Begin
{|{{Infobox Aircraft Begin
|name= F107 / WR19
| name = F107 / WR19
|image= Williams Research F107.jpg
| image = Williams Research F107.jpg
|caption= An F107 engine on display at the [[San Diego Air & Space Museum]]
| caption = An F107 engine on display at the [[San Diego Air & Space Museum]]
}}
}}
{{Infobox Aircraft Engine
{{Infobox Aircraft Engine
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|manufacturer= [[Williams International]]
|manufacturer= [[Williams International]]
|first run= 1970s
|first run= 1970s
|major applications= [[AGM-86 ALCM]] <br> [[BGM-109 Tomahawk]]
|major applications= [[AGM-86 ALCM]] <br> [[BGM-109 Tomahawk]] <br> [[AGM-158B]]
|number built =
|number built =
|program cost =
|program cost =
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|}
|}


The '''Williams F107''' (company designation '''WR19''') is a small [[turbofan]] engine made by [[Williams International]]. The F107 was designed to propel [[cruise missile]]s. It has been used as the powerplant for the [[AGM-86 ALCM]], and [[BGM-109 Tomahawk]], as well as the experimental [[Williams X-Jet]] flying platform.
The '''Williams F107''' (company designation '''WR19''') is a small [[turbofan]] engine made by [[Williams International]]. The F107 was designed to propel [[cruise missile]]s. It has been used as the powerplant for the [[AGM-86 ALCM]], and [[BGM-109 Tomahawk]], as well as the experimental [[Kaman KSA-100 SAVER]] and [[Williams X-Jet]] flying platform.


==Applications==
==Applications==
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* [[Kaman KSA-100 SAVER]]
* [[Kaman KSA-100 SAVER]]
* [[Williams X-Jet]]
* [[Williams X-Jet]]
* [[Jet pack#Bell Jet Flying Belt|Bell Aerospace Flying Jet Belt]]
* [[Jet pack#Bell Jet Flying Belt: wingless|Bell Aerospace Flying Jet Belt]]
* [[Dynetics X-61 Gremlins|Dynetics Gremlins X-61]]


==Specifications==
==Specifications (WR19)==
{{jetspecs
{{jetspecs
<!-- If you do not understand how to use this template, please ask at [[Wikipedia talk:WikiProject Aircraft]] -->
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|ref=Aircraft engines of the World 1970<ref name=Wilkinson70>{{cite book |last=Wilkinson |first=Paul H. |title=Aircraft engines of the World 1970 |year=1970 |publisher=Paul H. Wilkinson |location=Washington D.C. |edition=21st |page=120 }}</ref>
|ref={{cn|date=March 2016}}
|type=Turbofan
|type=Turbofan
|length=1,262 mm
|length={{cvt|24|in}}
|diameter=305 mm
|diameter={{cvt|12|in}}
|weight=66.2 kg
|weight={{cvt|67|lb}}
|compressor=Twin-spool, axial, counter-rotating
|compressor=2-stage fan, 2-stage axial IP compressor, 1-stage centrifugal HP compressor
|combustion=
|combustion=Annular combustion chamber
|turbine=1-stage HP turbine, 2-stage LP turbine
|turbine=
|fueltype=
|fueltype=[[JP-4]] / [[JP-5]]
|oilsystem=
|oilsystem=Pressure system with return
|power=
|power=
|thrust={{convert|2.7|kN|lbf}} (for F107-WR-400) {{convert|3.1|kN|lbf}} (for F107-WR-402)
|thrust={{cvt|430|lbf|kN}} Maximum continuous power<br/>
:::'''F107-WR-400''' {{cvt|2.7|kN|lbf|order=flip}}<br/>
|compression=
:::'''F107-WR-402''' {{cvt|3.1|kN|lbf|order=flip}}<br/>
:::'''F107-WR-105/401''' {{cvt|6.22|kN|lbf|order=flip}}
|compression=13.8:1
|bypass=1:1
|bypass=1:1
|aircon=
|aircon=
|turbinetemp=
|turbinetemp=
|fuelcon=
|fuelcon=
|specfuelcon=0.682 kg/kg-h
|specfuelcon={{cvt|0.683|lb/lbf/h|kg/kN/h}}
|power/weight=
|power/weight=
|thrust/weight=4.6:1
|thrust/weight=6.42
}}
}}


==See also==
==F122==
{|{{Infobox Aircraft Begin
{{Aircontent
|name= Williams F122
|related=
|image=
* [[Williams F112]]
|caption=
}}
{{Infobox Aircraft Engine
|type= [[Turbofan]]
|national origin = United States
|manufacturer= [[Williams International]]
|first run=
|major applications= [[KEPD 350]]
|number built = 699 (as of August 2014)
|program cost =
|unit cost =
|developed from = Williams F107
|developed into =
|variants with their own articles = [[Williams F415]]
}}
|}
The '''Williams International F122''' is a twin-shaft, axial-centrifugal-flow turbofan that is similar to the F107 in configuration but has a maximum thrust of 900 lbf (3.33 to 4.0 kN).


===Design and development===
|similar engines=
The F122 is used to power the [[KEPD 350]] air-launched [[cruise missile]], and was the powerplant for the cancelled [[AGM-137 TSSAM]] air-launched cruise missile.<ref>{{Cite web|url=http://www.designation-systems.net/usmilav/engines.html#_MILSTD1812|title=Designations Of U.S. Military Aero Engines|website=www.designation-systems.net}}</ref> Although the AGM-137 was cancelled, the F122 was first used for the Taurus KEPD when it was flown aboard that missile in April 2002.


===Applications===
|lists=
* [[AGM-137 TSSAM]]<ref>{{Cite web|url=http://www.designation-systems.net/dusrm/m-137.html|title=Northrop AGM/MGM-137 TSSAM|website=www.designation-systems.net}}</ref>
* [[KEPD 350]]

==See also==
* [[List of aircraft engines]]
* [[List of aircraft engines]]

|see also=
}}


==References==
==References==
{{reflist}}
{{reflist}}

* Leyes, Richard A., and William A. Fleming, ''The History of North American Small Gas Turbine Aircraft Engines'', Smithsonian Institution, Washington, DC, 1999: Chapter 10. ({{ISBN|1-56347-332-1}})
==Further reading==
* {{cite book |last1=Leyes |first1=Richard A.|first2=William A.|last2=Fleming |title=The history of North American small gas turbine aircraft engines Chapter 10. |location=Washington D.C. |date=1999 |publisher=AIAA /Smithsonian Institution |isbn=1-56347-332-1}}
{{vectorsite}}
{{vectorsite}}


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{{Commons category}}
{{Commons category}}
* [http://www.nationalmuseum.af.mil/Visit/MuseumExhibits/FactSheets/Display/tabid/509/Article/197524/williams-international-f107-wr-101-turbofan.aspx National Museum of the USAF F107 fact sheet]
* [http://www.nationalmuseum.af.mil/Visit/MuseumExhibits/FactSheets/Display/tabid/509/Article/197524/williams-international-f107-wr-101-turbofan.aspx National Museum of the USAF F107 fact sheet]
* [http://www.alternatewars.com/SAC/F107-WR-400_Turbofan_PCS_-_October_1984.pdf F107-WR-400_Turbofan_PCS_-_October_1984]


{{Williams aeroengines}}
{{Williams aeroengines}}
{{USAF gas turbine engines}}
{{USAF gas turbine engines}}
{{Aeroengine-specs}}


[[Category:Low-bypass turbofan engines]]
[[Category:Low-bypass turbofan engines]]
[[Category:Turbofan engines 1970–1979]]
[[Category:1970s turbofan engines]]
[[Category:Williams aircraft engines|F107]]
[[Category:Williams aircraft engines|F107]]
[[Category:Centrifugal-flow turbojet engines]]
[[Category:Centrifugal-flow turbojet engines]]

Revision as of 11:27, 17 March 2024

F107 / WR19
An F107 engine on display at the San Diego Air & Space Museum
Type Turbofan
National origin United States
Manufacturer Williams International
First run 1970s
Major applications AGM-86 ALCM
BGM-109 Tomahawk
AGM-158B
Developed into Williams F112

The Williams F107 (company designation WR19) is a small turbofan engine made by Williams International. The F107 was designed to propel cruise missiles. It has been used as the powerplant for the AGM-86 ALCM, and BGM-109 Tomahawk, as well as the experimental Kaman KSA-100 SAVER and Williams X-Jet flying platform.

Applications

Specifications (WR19)

Data from Aircraft engines of the World 1970[1]

General characteristics

  • Type: Turbofan
  • Length: 24 in (610 mm)
  • Diameter: 12 in (300 mm)
  • Dry weight: 67 lb (30 kg)

Components

  • Compressor: 2-stage fan, 2-stage axial IP compressor, 1-stage centrifugal HP compressor
  • Combustors: Annular combustion chamber
  • Turbine: 1-stage HP turbine, 2-stage LP turbine
  • Fuel type: JP-4 / JP-5
  • Oil system: Pressure system with return

Performance

  • Maximum thrust: 430 lbf (1.9 kN) Maximum continuous power
F107-WR-400 610 lbf (2.7 kN)
F107-WR-402 700 lbf (3.1 kN)
F107-WR-105/401 1,400 lbf (6.22 kN)

F122

Williams F122
Type Turbofan
National origin United States
Manufacturer Williams International
Major applications KEPD 350
Number built 699 (as of August 2014)
Developed from Williams F107
Variants Williams F415

The Williams International F122 is a twin-shaft, axial-centrifugal-flow turbofan that is similar to the F107 in configuration but has a maximum thrust of 900 lbf (3.33 to 4.0 kN).

Design and development

The F122 is used to power the KEPD 350 air-launched cruise missile, and was the powerplant for the cancelled AGM-137 TSSAM air-launched cruise missile.[2] Although the AGM-137 was cancelled, the F122 was first used for the Taurus KEPD when it was flown aboard that missile in April 2002.

Applications

See also

References

  1. ^ Wilkinson, Paul H. (1970). Aircraft engines of the World 1970 (21st ed.). Washington D.C.: Paul H. Wilkinson. p. 120.
  2. ^ "Designations Of U.S. Military Aero Engines". www.designation-systems.net.
  3. ^ "Northrop AGM/MGM-137 TSSAM". www.designation-systems.net.

Further reading

  • Leyes, Richard A.; Fleming, William A. (1999). The history of North American small gas turbine aircraft engines Chapter 10. Washington D.C.: AIAA /Smithsonian Institution. ISBN 1-56347-332-1.

The initial version of this article was based on a public domain article from Greg Goebel's Vectorsite.