Musk Hints Details on Scaled Down Interplanetary Transport System

Musk is talking about the scaled down version of the Interplanetary Transport System that he plans to unveil in Adelaide, Australia at the end of September. For comparison purposes, the vehicle he unveiled last year had a 12 meter diameter. Falcon 9 has a diameter of 3.7 meters. The diameter of the Saturn V was 10.1 meters.


UPDATE:
The above graphic shows the engine layout for the ITS. It would seem they would lose 21 outside engines by shrinking the diameter to 9 meters. That would leave the ITS with 21 Raptor engines on the first stage.

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Musk Talks About Mars Plans, Upgraded Falcon 9 During Reddit AMA

Interplanetary Transport System (Credit: SpaceX)
Interplanetary Transport System (Credit: SpaceX)

SpaceX CEO Elon Musk did an Ask Me Anything session on Reddit on Sunday afternoon about his Interplanetary Transport System (ITS) and plans to colonize Mars. Musk also provided an update on upgraded Falcon 9 Block 5 booster which SpaceX expects to launch for the first time next year.

Below are some key excerpts. You can find the full session here.

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Musk’s Mars Memes: My Heart Will Go On (Even When Earth is Gone)

A view from martian orbit. (Credit: SpaceX)
A hypothetical view from martian orbit. (Credit: SpaceX)

The first in an occasional series on Elon Musk’s Mars plan.

By Douglas Messier
Managing Editor

Elon Musk’s gigantiastic plan for transporting a million settlers to Mars is based on two basic premises that are alternately hopeful and apocalyptic. One is to have a great adventure while expanding humans out into space. The other is to save humanity from itself.

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