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Foot-pound (energy)
Foot-pound (energy)
Published: 2016/01/22
Channel: WikiAudio
How to Determine Muzzle Energy(Ft/lbs Energy)
How to Determine Muzzle Energy(Ft/lbs Energy)
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What are Foot Pounds of Air Rifle Hunting Energy
What are Foot Pounds of Air Rifle Hunting Energy
Published: 2017/08/28
Channel: American Airgunner
Air Rifle Restrictions - 12 ft/lbs Explained
Air Rifle Restrictions - 12 ft/lbs Explained
Published: 2014/10/29
Channel: EnglishShooting
This is how many ft. lbs of energy it takes to kill a small game animal
This is how many ft. lbs of energy it takes to kill a small game animal
Published: 2012/01/24
Channel: Gamonater
Foot-pound (energy)
Foot-pound (energy)
Published: 2016/10/13
Channel: WikiWikiup
Foot Pounds Kinetic Energy - Bad Ass Slingshot Hunter
Foot Pounds Kinetic Energy - Bad Ass Slingshot Hunter
Published: 2014/05/07
Channel: Bad Ass Slingshots
2900 FT LBS MUZZLE ENERGY:  WINCHESTER SABOT SLUG
2900 FT LBS MUZZLE ENERGY: WINCHESTER SABOT SLUG
Published: 2013/11/10
Channel: tnoutdoors9
FAC VS 12 FT LBS
FAC VS 12 FT LBS
Published: 2014/06/21
Channel: ACampfireProduction
22 LR vs .380 vs .40 ft lbs energy
22 LR vs .380 vs .40 ft lbs energy
Published: 2010/12/16
Channel: 2brothersadventures
Airforce texan 45, 700 foot pound African Air Ordnance PowerUp kit high arc hunter ammo
Airforce texan 45, 700 foot pound African Air Ordnance PowerUp kit high arc hunter ammo
Published: 2017/07/12
Channel: Rogue Air weapons USA
1/2" pine board  Penetration test
1/2" pine board Penetration test
Published: 2012/06/20
Channel: airgunner1966
Foot-poundal
Foot-poundal
Published: 2016/01/22
Channel: WikiAudio
Texan Airgun making 900 ft lbs energy
Texan Airgun making 900 ft lbs energy
Published: 2017/09/05
Channel: verybigrifle
Over 1000 Ft Lbs of Energy (FPE) with the Extreme Bigbore Air Rifles!
Over 1000 Ft Lbs of Energy (FPE) with the Extreme Bigbore Air Rifles!
Published: 2017/02/22
Channel: The Airgun Scientist Joe Brancato
Converting Force Pounds to Foot Pound of Max Torque
Converting Force Pounds to Foot Pound of Max Torque
Published: 2016/02/09
Channel: Crown Oilfield Instrumentation
Archery Power: Kinetic Energy and Foot Pounds
Archery Power: Kinetic Energy and Foot Pounds
Published: 2014/05/29
Channel: ArcheryCentral
Pistol vs Carbine Ballistics
Pistol vs Carbine Ballistics
Published: 2012/04/12
Channel: DocTacDad
How to Convert the Torque From Foot-Pounds : Science & Math
How to Convert the Torque From Foot-Pounds : Science & Math
Published: 2013/10/05
Channel: eHowEducation
Foot-pound Meaning
Foot-pound Meaning
Published: 2015/04/29
Channel: ADictionary
airgun energy - iron pan 5  to 30 foot pounds of energy
airgun energy - iron pan 5 to 30 foot pounds of energy
Published: 2017/08/31
Channel: cory d. keller
Muzzle energy Meaning
Muzzle energy Meaning
Published: 2015/04/28
Channel: ADictionary
Airgun Pellet Speed Power Test: 0 to 50m .22 +.177-  FPS + FT LBS
Airgun Pellet Speed Power Test: 0 to 50m .22 +.177- FPS + FT LBS
Published: 2016/02/29
Channel: AirgunGearShow
Foot-pound-second Meaning
Foot-pound-second Meaning
Published: 2015/04/28
Channel: ADictionary
Horsepower vs Torque - Explained
Horsepower vs Torque - Explained
Published: 2011/08/26
Channel: Engineering Explained
The idiot
The idiot's guide to power & torque | Auto Expert John Cadogan | Australia
Published: 2016/11/22
Channel: AutoExpertTV
A 50 Cal. Airgun With Polycase Bullets! | The Umarex HAMMER
A 50 Cal. Airgun With Polycase Bullets! | The Umarex HAMMER
Published: 2017/01/26
Channel: Funker Tactical - Fight Training Videos
Foot pound
Foot pound
Published: 2010/07/05
Channel: JasonTheMcarthur
What does foot-pound mean?
What does foot-pound mean?
Published: 2014/12/29
Channel: What Does That Mean?
Energy Units and Conversion Factors
Energy Units and Conversion Factors
Published: 2012/10/08
Channel: Michael Auerbach
Long range corvid shooting with a sub 12 ft  lb air rifle.
Long range corvid shooting with a sub 12 ft lb air rifle.
Published: 2012/02/13
Channel: VerminHuntersTV
Power Ranger Slingshot Ft lbs generated
Power Ranger Slingshot Ft lbs generated
Published: 2013/09/17
Channel: Ray Bazonski
What does foot-pound-second mean?
What does foot-pound-second mean?
Published: 2014/12/28
Channel: What Does That Mean?
Foot Pound Force - Bacon Machine
Foot Pound Force - Bacon Machine
Published: 2013/09/02
Channel: Dragoncon FilkTrack
Energy of a Bullet - Dynamics Level 3
Energy of a Bullet - Dynamics Level 3
Published: 2014/10/13
Channel: Isaac Physics
Using Foot-Pounds Is A Must
Using Foot-Pounds Is A Must
Published: 2016/10/03
Channel: tko resto
Is an Airgun Good for Self Defense?
Is an Airgun Good for Self Defense?
Published: 2014/02/26
Channel: Replica Airguns
Milwaukee M18 FUEL High Torque Impacts 1,400 ft-lbs - ONE-KEY Options NPS17
Milwaukee M18 FUEL High Torque Impacts 1,400 ft-lbs - ONE-KEY Options NPS17
Published: 2017/06/12
Channel: coptool
Energy & Motion Songs - How Do We Measure Energy?
Energy & Motion Songs - How Do We Measure Energy?
Published: 2010/10/09
Channel: vektorgt
Airforce Texan  4500 psi Upgrade   with 138 grain pellet @ 1186 fps  431.16 foot pounds
Airforce Texan 4500 psi Upgrade with 138 grain pellet @ 1186 fps 431.16 foot pounds
Published: 2017/03/08
Channel: Jeremy King
What Is One Joule In FPS?
What Is One Joule In FPS?
Published: 2017/11/11
Channel: Thrupe Thert
PX100 achilles closeup look (No shooting)
PX100 achilles closeup look (No shooting)
Published: 2017/10/30
Channel: Vishnudas Kartha
Pushing the limits with the Slingshot
Pushing the limits with the Slingshot
Published: 2014/12/09
Channel: Archer Paradox
80-yard Rabbits with an Air Rifle
80-yard Rabbits with an Air Rifle
Published: 2014/09/25
Channel: Fieldsports Channel
foot pounds MAN 2007
foot pounds MAN 2007
Published: 2012/12/23
Channel: Heartson Fan
Mauser 98k Black Powder Load
Mauser 98k Black Powder Load
Published: 2013/03/26
Channel: Boom1850
.177 air rifle energy drop over range
.177 air rifle energy drop over range
Published: 2015/04/26
Channel: Sableagle
TG-1 Swiss Arms .177 cal & AK-47 6mm Airsoft
TG-1 Swiss Arms .177 cal & AK-47 6mm Airsoft
Published: 2016/09/12
Channel: HOTROD GEORGEJR
High Power Benjamin Marauder Pistol shooting through half inch pine board
High Power Benjamin Marauder Pistol shooting through half inch pine board
Published: 2015/09/25
Channel: Nasty618th
SI units, Derived Units : MKS, CGS, FPS system: IIT-JEE Physics Classes
SI units, Derived Units : MKS, CGS, FPS system: IIT-JEE Physics Classes
Published: 2016/02/18
Channel: IIT-JEE Physics Classes
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WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
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Foot-pound
Unit system English Engineering units and British Gravitational System
Unit of Energy
Symbol ft⋅lbf 
Unit conversions
1 ft⋅lbf in ... ... is equal to ...
   SI units    1.355818 J
   CGS units    13,558,180 erg

The foot-pound force (symbol: ft⋅lbf or ft⋅lb)[1] is a unit of work or energy in the Engineering and Gravitational Systems in United States customary and imperial units of measure. It is the energy transferred upon applying a force of one pound-force (lbf) through a linear displacement of one foot. The corresponding SI unit is the joule.

Usage[edit]

The foot-pound is often used to specify the muzzle energy of a bullet in small arms ballistics, particularly in the United States.

"Foot-pound" is sometimes also used as a unit of torque (see pound-foot (torque)). In the United States this unit is often used to specify, for example, the tightness of a bolt or the output of an engine. Although they are dimensionally equivalent, energy (a scalar) and torque (a vector) are distinct physical quantities. Both energy and torque can be expressed as a product of a force vector with a displacement vector (hence pounds and feet); energy is the scalar product of the two, and torque is the vector product.

Conversion to other units[edit]

Energy units[edit]

1 foot-pound is equivalent to:

  • 1.355 817 948 331 400 4 joules
  • 13558179.483314004 ergs
  • about 1.285×10−3 British thermal units
  • 0.323832 calories
  • 8.462238×10+18 eV = 8.462238 EeV = 8.462238×10+9 GeV

Power units[edit]

  • 1 watt44.25372896 ft⋅lbf/min = 0.737562149333 ft⋅lbf/s
  • 1 horsepower (mechanical) = 33,000 ft⋅lbf/min = 550 ft⋅lbf/s

See also[edit]

References[edit]

  1. ^ Budynas, Richard G.; Nisbett, J. Keith (2014-01-27). Mechanical Engineering Design. McGraw Hill Education. ISBN 978-0073529288. (Subscription required (help)). 

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