Horse power.
#1
02-06-2019, 10:45 PM
#6
02-07-2019, 10:44 AM
I was just thinking the same thing, they pulled that truck and trailer around like a toy truck!! Makes me wonder how much torque those horses produce!!
#7
02-08-2019, 06:19 AM
1 - great video
2- there's no "torque" at the application point; it's "force" (as in thrust). The coefficient of friction of the icy road interacts with the normal force at the contact surface to provide for a thrust forward via what the animal can generate.
3- 1 HP is defined as 550 ft-lb/sec. Those two animals may or may not generate "1 hp"; you'd have to test each of them to see for sure.
"HP" is a very old term that was used as a means to judge the "oomph" a horse could generate. Legend tells us that horses were hooked up to a rope line and that line was used to lift a load vertically via a pulley (to translate horizontal displacement to vertical displacement). The average standard became one horse could lift 550 pounds, 1 foot off the ground, in one second. Hence 1hp = 550 ft-lb/sec. "Power" always has a time element; it's work per unit of time. Whereas we typically think of "torque" in terms of rotational displacement, the units of measure for HP actually started as a linear movement. For torque, we are taught to measure the force applied at some moment arm (radius); we could apply 550 pounds of force on a wrench that is 1 foot long; 550 ft-lb. Some believe torque is a "force"; others do not. The debate will never be solved; it's raged on for decades. There are countless websites that have pages of debates about this. I do not believe "torque" is a "force", but others disagree with me. Ironically, despite the disagreement, we'd all use the same formulas to calculate various functions, and all come up with the same answers (if appropriately applied). Blah, blah, blah .... you probably don't care.
But that does not detract from the entertainment of the video!
2- there's no "torque" at the application point; it's "force" (as in thrust). The coefficient of friction of the icy road interacts with the normal force at the contact surface to provide for a thrust forward via what the animal can generate.
3- 1 HP is defined as 550 ft-lb/sec. Those two animals may or may not generate "1 hp"; you'd have to test each of them to see for sure.
"HP" is a very old term that was used as a means to judge the "oomph" a horse could generate. Legend tells us that horses were hooked up to a rope line and that line was used to lift a load vertically via a pulley (to translate horizontal displacement to vertical displacement). The average standard became one horse could lift 550 pounds, 1 foot off the ground, in one second. Hence 1hp = 550 ft-lb/sec. "Power" always has a time element; it's work per unit of time. Whereas we typically think of "torque" in terms of rotational displacement, the units of measure for HP actually started as a linear movement. For torque, we are taught to measure the force applied at some moment arm (radius); we could apply 550 pounds of force on a wrench that is 1 foot long; 550 ft-lb. Some believe torque is a "force"; others do not. The debate will never be solved; it's raged on for decades. There are countless websites that have pages of debates about this. I do not believe "torque" is a "force", but others disagree with me. Ironically, despite the disagreement, we'd all use the same formulas to calculate various functions, and all come up with the same answers (if appropriately applied). Blah, blah, blah .... you probably don't care.
But that does not detract from the entertainment of the video!
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1 - great video
2- there's no "torque" at the application point; it's "force" (as in thrust). The coefficient of friction of the icy road interacts with the normal force at the contact surface to provide for a thrust forward via what the animal can generate.
3- 1 HP is defined as 550 ft-lb/sec. Those two animals may or may not generate "1 hp"; you'd have to test each of them to see for sure.
"HP" is a very old term that was used as a means to judge the "oomph" a horse could generate. Legend tells us that horses were hooked up to a rope line and that line was used to lift a load vertically via a pulley (to translate horizontal displacement to vertical displacement). The average standard became one horse could lift 550 pounds, 1 foot off the ground, in one second. Hence 1hp = 550 ft-lb/sec. "Power" always has a time element; it's work per unit of time. Whereas we typically think of "torque" in terms of rotational displacement, the units of measure for HP actually started as a linear movement. For torque, we are taught to measure the force applied at some moment arm (radius); we could apply 550 pounds of force on a wrench that is 1 foot long; 550 ft-lb. Some believe torque is a "force"; others do not. The debate will never be solved; it's raged on for decades. There are countless websites that have pages of debates about this. I do not believe "torque" is a "force", but others disagree with me. Ironically, despite the disagreement, we'd all use the same formulas to calculate various functions, and all come up with the same answers (if appropriately applied). Blah, blah, blah .... you probably don't care.
But that does not detract from the entertainment of the video!
2- there's no "torque" at the application point; it's "force" (as in thrust). The coefficient of friction of the icy road interacts with the normal force at the contact surface to provide for a thrust forward via what the animal can generate.
3- 1 HP is defined as 550 ft-lb/sec. Those two animals may or may not generate "1 hp"; you'd have to test each of them to see for sure.
"HP" is a very old term that was used as a means to judge the "oomph" a horse could generate. Legend tells us that horses were hooked up to a rope line and that line was used to lift a load vertically via a pulley (to translate horizontal displacement to vertical displacement). The average standard became one horse could lift 550 pounds, 1 foot off the ground, in one second. Hence 1hp = 550 ft-lb/sec. "Power" always has a time element; it's work per unit of time. Whereas we typically think of "torque" in terms of rotational displacement, the units of measure for HP actually started as a linear movement. For torque, we are taught to measure the force applied at some moment arm (radius); we could apply 550 pounds of force on a wrench that is 1 foot long; 550 ft-lb. Some believe torque is a "force"; others do not. The debate will never be solved; it's raged on for decades. There are countless websites that have pages of debates about this. I do not believe "torque" is a "force", but others disagree with me. Ironically, despite the disagreement, we'd all use the same formulas to calculate various functions, and all come up with the same answers (if appropriately applied). Blah, blah, blah .... you probably don't care.
But that does not detract from the entertainment of the video!
#15
02-09-2019, 09:00 PM
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