What does hp stand for?
Horsepower
Is there only one type of Hp?
No
What is one type?
imperial horsepower
What else is that type called?
mechanical horsepower
Is that 735 watts?
no
How many watts is it?
745.7 watts
Which type is approximately 735 watts?
metric horsepower
Who is a Watt named for?
James Watt
When did this occur?
late 18th century
What did the term compare the output of steam engines to?
The power of draft horses.
Did it ever include engines of other types?
Yes.
What is one kind?
piston engines
Was the meaning the same no matter where you were?
No.
What is it known as now for the most part?
SI unit .
What happened in January of 2010?
EU Directive 80/181/EEC
What did that mean for the EU?
That the use of horsepower in the EU is permitted only as a supplementary unit.
Who did something in 1702?
Thomas Savery
What did he do?
Wrote in "The Miner's Friend":
Did he think an engine could do the work of twenty horses?
Yes.
How would it have to be maintained?
Constantly.