The two-and-a-half-hour launch window opens at 1:30 p.m. The weather is favorable, but with all launches, delays are a possibility, especially with a rocket as big and complex as the Falcon Heavy. If SpaceX scrubs the launch Tuesday, the company will try again on Wednesday.
In a call with reporters Monday afternoon, Musk said he was optimistic that the launch would happen as scheduled. But he said he was less sure that it’d be a success.
“The weather is looking good, the rocket is looking good,” he said. “It’s either going to be an exciting success or an exciting failure. One big boom.”
In a surprising reversal, Musk said that the company most likely would not seek to fly humans on the Falcon Heavy, despite a…