In what is known as a static firing, all 27 engines on the launcher's first stage were ignited together to check they are flight-ready.
This test took place at Kennedy Space Center's Launch Complex 39-A, which SpaceX leases from NASA.
Musk, who is also the founder of Tesla cars, chose to launch a cherry red Tesla Roadster as the payload on the first test flight.
SpaceX tweeted its own video of the test, but it is very brief and does not include the impact of the sound wave evident in the Seemangal tweet.
"The payload will be an original Tesla Roadster, playing Space Oddity, on a billion year elliptic Mars orbit".
As the Congress is unable to fund the day-to-day operations of the federal government, SpaceX can't complete the Falcon Heavy test. After it reaches its destination, the vehicle would travel around the sun in endless ellipses that extended as far out as Mars' orbit.
Elon's Musketeers are heavily dependent on America's space agency: they lease NASA's launch pads, and rely on considerable support from the public body's engineers and technical staff.
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The rocket fired the engines in its three core boosters at 12:30 p.m.
SpaceX says it has the most powerful rocket in the world. No other rocket company on the market can boast such an ability.
He tweeted: 'Falcon Heavy launching from same @NASA pad as the Saturn V Apollo 11 moon rocket.
"Because of the commonality between Falcon 9 and Falcon Heavy we're able to spread the overhead across both vehicles", Musk said at a news conference in 2011. The company has been tight-lipped about when it would attempt a static fire, with the primary public information in the form of testing windows announced for range operations.
In a Washington, D.C., speech last July the Tesla founder which said Falcon Heavy is one of the most hard and technically complex projects SpaceX has ever undertaken.
Either way, Bloomberg is reporting that it's unlikely that SpaceX or satellite builder Northrop Grumman - or their insurers - will be on the hook for the cost of this botched mission.
"There's a real good chance that vehicle does not make it to orbit".
Another tricky aspect is the large number of rocket engines.