Hot bulb engines helped usher in the Industrial Age and served as a missing link of sorts between primitive and modern engines. The machines are quirky, temperamental and irascible. But they're also well-loved by users and collectors, a deserving fate for what has been described as a workhorse for early technology. How well do you think you know hot bulb engines? As well as they deserve? Take this quiz to find out!
Question 1 of 20
Hot bulb engines were first conceived by which English inventor?
Question 2 of 20
What other type of engine was in its heyday when hot bulb engines were in their infancy in the late 1800s?
Question 3 of 20
What type of fuel does a hot bulb engine use to run its best?
Question 4 of 20
Where is the hot bulb on a hot bulb engine located?
Question 5 of 20
What other type of engine works like a hot bulb engine but can have more than one cylinder?
Question 6 of 20
The hot bulb in the hot bulb engine is also referred to as the ______.
Question 7 of 20
How much did the flywheel on a small hot bulb engine often weigh?
Question 8 of 20
What unique feature did hot bulb tractor engines have relating to the engine itself?
Question 9 of 20
How many batteries does it take to run a hot bulb engine?
Question 10 of 20
Why were hot bulb engines allegedly so popular in Scandinavia?
Question 11 of 20
What level of thermal efficiency does the hot bulb engine attain versus a steam engine?
Question 12 of 20
How were hot bulb engines often used, especially in rural areas?
Question 13 of 20
What is the component inside the hot bulb engine that the fuel vaporizes against called?
Question 14 of 20
What is the average in revolutions per minute (rpm) of hot bulb engines versus a diesel engine of the same vintage?
Question 15 of 20
What is another term for the hot bulb engine?
Question 16 of 20
When was the last hot bulb engine produced?
Question 17 of 20
Are hot bulb engines considered a two-stroke or four-stroke engine?
Question 18 of 20
While hot bulb engines have seen their peak come and then pass, are there plans afoot to use them again?
Question 19 of 20
Where can you find hot bulb engines still in use today (outside of collector club meets)?
Question 20 of 20