What Is Horsepower? | Earth Science

Have you ever wondered what horsepower actual means? Greg Foot takes you step by step through the historical significance of the measurement and it's modern day uses.

footnotes

[axipixel]

1 hp is actually the average power a horse can put out over 8 hours of work. Horses can actually output about 14-17 HP in bursts.

[kungfuninja]

"Let's get nerdy for 60 seconds"

I think you mean 7 minutes and 49 seconds mate

[joeturner]

who else misses when James May was on this channel?

[AnthonyFrancisJones]

This is excellent physics and really well explained without getting it wrong as so many others do. Many thanks.

[b.hagedash]

Biggest difference between a Bentley and a falcon is that a falcon doesn't carry the stigma of being associated with drug dealers and a corrupt politicians.

[TheWaynester]

hes so nice, congratulating the editor and even asking for a pay raise! the editors of these shows are the real in-sung heros. we are all editors on this blessed day. :)

[GenuinelyJake]

I missed this guy. I miss Britlab.

Bring back the old crew more often, theyre the reason I fell in love with this channel.

[savvyjd]

I've been riding for years and this has been the most relatable description for why by Tiger 800 has 93 horsepower.

[mrsuperguy]

I love how cheeky the guy is who typed up the subtitles for when the sound of the engine cut greg off

[juanpennisi]

Don't you just love that British weather. By the way, I loved the nerdy bit.

[Myrius]

"I truly believe the editor/animators is the real star of the show. And deserves a massive pay rise"

[man_on_wheelz]

6:10 did he say when your neck is stranded in a Quagmire? (giggity)

[georgeconnett]

so what would the power of a trebuchet be if it launched a 90kg payload over 300m?

[alientitimilk]

Woah only 26 seconds in and they already answered my question

[markmolenaar]

That car looks so mean with the black rims.

Love it!

[baconpancakes]

Joke of the year : Even as an engineer, getting out of the bed is work

[kevinwu]

Not just pulling a man out of a hole, also pulling a Vietnamese out of a chair

[CIorox_BIeach]

to an engineer getting out of bed is work. Love it!

[jx_c]

Finally, i know what horsepower is. Thanks.

[pipus]

"This situation requires one thing.... POWER!!!"
Jeremy Clarkson