Questions tagged [falcon-heavy]

SpaceX's heavy lift launcher, based on the Falcon 9, using two strap-on boosters with a center core.

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947 views

Which are the reasons that Falcon Heavy first flight has so many delays?

SpaceX company has many months and now becoming years pushing the launch date for the first Falcon Heavy. Yeah right space rocketry is tricky and very difficult, it's important that everything should ...
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1answer
866 views

Why does a Falcon Heavy cost more with a heavier payload?

While trying to find the priceof a Falcon Heavy launch, I noticed the following: \$90M (<8.0mT), [\$130M (>8.0mT)] Why is there a $40 million difference in price for the heavier payload? Also, ...
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1answer
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Ballpark comparison of a hypothetical Falcon 'Quad' Heavy with cross feeds

This engineering question got me wondering. If cross feed technology were sufficiently developed, and stresses could be managed (these are big if's, and there are more I'm sure), how would these ...
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What would the challenges be in developing a Falcon Heavy with three or four strap-on boosters?

Falcon Heavy has a standard Falcon 9 Full Thrust (FT) rocket core with two strap-on boosters derived from the Falcon 9 FT first stage. What about a heavier Falcon Heavy with four strap-on boosters (or ...
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Will F9H's middle core receive more than max damage?

After partaking in a GTO delivery, the successful re-entry and landing of a Falcon 9 booster was described by Elon Musk as follows: Most recent rocket took max damage, due to v high entry velocity. ...
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Is the Falcon Heavy booster much simpler to land than the Falcon 9 first stage?

Given the fact that the Boosters of the Falcon Heavy will separate much earlier during ascent (and hence at much lower speeds), there should be a notable difference in the complexity (and thus chance ...
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1answer
558 views

What makes SLS (Space Launch System) \$10 Billion (or \$36 Billion) project?

The SLS development budget is \$18 billion (currently \$10 billion are spent for SLS rocket), although another site shows even \$35B. If I am not mistaken SLS is a new & improved version of ...
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Why does SpaceX's Launch Complex 1 have four contingency landing pads?

An additional four 150 feet (46 m) diameter pads are planned to support the simultaneous recovery of additional boosters of the Falcon Heavy. on Cape Canaveral SpaceX landing Complex/Zone 1 wiki....
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1answer
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How many 1st stage boosters will SpaceX settle for, for its LEO/GTO fleet?

It’s common knowledge that SpaceX goal is to create a fleet of spacecraft shuttling from Earth to Mars. One milestone they intend to achieve beforehand is having a fleet of 1st stage boosters ...
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Could a Delta 4 Heavier be built?

The Delta 4 vehicle is a common booster core (CBC) design, where a single booster design can be used to launch in single stick mode, or in triple stick (Heavy) mode. The single stick model also has ...
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Is it possible the Falcon Heavy Demo flight could be done with three previously flown boosters?

Thanks to their now recently official reusability capability, and after looking at the SpaceX flight manifest that showcases at least five new v1.1 FT before the Demo, it made me ponder: By the time ...
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1answer
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Second powerful Falcon Heavy for Mars, most powerful Saturn V for Moon?

The Apollo spacecraft, launched by Saturn V, the most powerful rocket ever build, could only take 3 man to the Moon. But how can SpaceX's Falcon Heavy, second to Saturn, take seven crew to Mars on a ...
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What is the new horizontal test stand at SpaceX's McGregor, TX facility meant to test?

If you look on Google Maps, at the McGregor, TX test site, you can see the old test stand (Labelled A) where they test each Falcon 9 first stage for a 9 engine fire as an acceptance test before ...
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1answer
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Falcon Heavy first stage abilities

If you made a '2nd stage to orbit and return' vehicle capable of sitting atop the reusable Falcon Heavy 1st stage, how heavy could it be, and to what height and speed could the 1st stage push it in a ...
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Falcon 9R as SSTO

Seeing as the Falcon 9R first stage is close to being reusable, could it be the basis for an SSTO rocket? In other words, does it have enough performance to make it into orbit, and then boost back and ...
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Why is there only a small difference between Falcon 9 and Falcon Heavy launch prices? [duplicate]

SpaceX's website says that a Falcon 9 launch costs 61 million while a Falcon Heavy launch 85 million. Considering that the Falcon Heavy is almost three times bigger than the Falcon 9, I don't ...
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Could current (+SLS+FH) launchers use much larger diameter payload fairings?

Can launchers reasonably be equipped with wider payload fairings in order to carry larger (not heavier) payload? What would be the main problems with doing so, air resistance during the early slow ...
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Questions regarding Falcon Heavy's crossfeed system

My understanding of the Falcon Heavy cross feed system is that the outer cores feed six of the nine engines directly on the center core. Thus, the cross feeds don't pump propellent and oxidizer into ...
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What makes Falcon Heavy with 3 booster 4 times more capable than single booster F9?

Falcon Heavy is expected to take 4 times more mass to LEO than Falcon 9 (53 instead of 13 tons). Are bigger rockets generally about 4/3 times more capable per fuel mass and engine thrust? It doesn't ...
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Why is there so little price difference between the Falcon 9 and the Falcon Heavy?

A Falcon 9 costs 61.2M dollars. A Falcon Heavy (1 Falcon 9 + 2 boosters) costs 85M dollars. That means 1 booster of the Falcon Heavy costs only 11.9M dollars. So, why does a Falcon 9 (9 Merlin 1D + ...
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Energy use of Asteroid Redirect Robotic Mission (ARRM)?

In the ARRM feasibility Study Table 4, parameters of four different options (three different launchers and different trajectories) are gathered. What would be the total energy use of a mission like ...
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What missions could be done with Orion on Falcon Heavy?

Orion is being developed in tandem with the SLS. But Falcon Heavy is scheduled to fly earlier, early 2015, and be cheaper. So I wonder what kind of missions Orion could do with FH. Could it for ...
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What is the planned date for the Falcon Heavy Demo launch from Vandenberg AFB?

According to Wikipedia and SpaceX, this demo flight is scheduled for 2014. A group of us from San Diego want to come and watch the launch from a distance. Is there any scheduled date for the launch? ...
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What are the consequences of Vertical vs Horizontal integration for SpaceX?

One of the issues the Air Force has with using SpaceX as a launch provider is that their payloads are designed for vertical integration. That is, the booster stands on the pad upright, and the ...
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What are the differences between the Falcon 9 (1.0) and the Falcon 9 (1.1 or F9R)?

With the change at the 6th launch from the original Falcon 9 design for the first five launches, to the new design, either called Falcon 9 v1.1 or Falcon 9R, it would be useful to understand the ...

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