A steam aircraft is an aircraft propelled by a steam engine. Steam aircraft were unusual devices because of the difficulty in producing a powerplant with a high enough power-to-weight ratio to be practical. They are distinct from airships that use steam as their lifting gas which are known as thermal airships.
Read more about Steam Aircraft: History
Famous quotes containing the word steam:
“Wisely watch for the sight
Of the supernova burgeoning over the barn,
Lampshine blurred in the steam of beasts, the spirit’s right
Oasis, light incarnate.”
—Richard Wilbur (b. 1921)