SpaceX -Dragon – side by side
By Bill D'Zio
September 2, 2019

Credit: NASA

SpaceX made some changes from the Cargo Dragon to the Crew Dragon. Here is a side by side comparison of the two spacecraft.

Dragon was the FIRST PRIVATE SPACECRAFT TO THE SPACE STATION

SpaceCraft Overview
Dragon is a cargo spacecraft developed by SpaceX to be reusable. Dragon is launched into orbit by the Falcon 9 launch vehicle. NASA selected Dragon as one of three vehicles under the Commercial Resupply Services (CRS) contract. CRS is a series of flights for the delivery of cargo and supplies to the International Space Station.

Several firsts for SpaceX include: Dragon became the first commercially built and operated spacecraft to be recovered successfully from orbit during the initial flight in December 2010. In May 2012, Dragon became the first commercial spacecraft to successfully rendezvous with and attach to the International Space Station (ISS) as part of the NASA contract with SpaceX.

Manufacturer
SpaceX
Country of origin
USA
Operator
SpaceX under contract from NASA
Primary Function
Transport of cargo to and from ISS
Design life

2 years

Dry mass
4,200 kg (9,300 lb)
Payload Capacity
6,000 kg (13,000 lb) to ISS orbit when launched on Falcon 9
3,500 kg (7,700 lb) return cargo (Pressurized)
3,000 kg (6,600 lb) disposed cargo
Crew
0, flown autonomous
Dimensions

Diameter: 3.7 m (12 ft)

Total Height 6.1 m (20 ft)

Height: 2.9 m (9.5 ft)

Trunk: 2.3 m (7.5 ft)

Extended Trunk: 4.3 m (14.1 ft)

 

Volume
pressurized 10.0 m3 (350 cu ft)
unpressurized 14.0 m3 (490 cu ft)
unpressurized* 34.0 m3 (1,200 cu ft)
* Extended Trunk
Status
Active Use Flight
Built

13 (7 reused)

Launched

20 ( 1 lost due to an in-flight explosion of the carrier rocket in 2015)

First launch
December 8, 2010
Fuel
NTO / MMH

Commercial Crew Program launched on March 2, 2019 at 2:49 a.m. 

SpaceCraft Overview

Crew Dragon is pat of the NASA-SpaceX Commercial Crew Program contract. SpaceX leveraged large portions the Crew Dragon design from the success of the Cargo Dragon.  The Dragon spacecraft is capable of carrying up to 7 Crew to and from Earth orbit, and beyond. There is a pressurized and unpressurized section of the spacecraft. The pressurized section of the spacecraft (capsule) is designed to carry both people and cargo that is environmentally sensitive. 

Dragon’s trunk not only carries unpressurized cargo but also supports the spacecraft during ascent. The trunk remains attached to Dragon until shortly before reentry into Earth’s atmosphere where it is discarded.

First launched on March 2, 2019 at 2:49 a.m. ET. The Crew Dragon spacecraft successfully docked with the International Space Station at 6:02 a.m. ET on March 3, 2019, becoming the first American spacecraft in history to autonomously dock with the International Space Station.

Manufacturer
SpaceX
Country of origin
USA
Operator
SpaceX under contract from NASA
Primary Function
Transport of crew and cargo to and from ISS
Design life
1 week (free flight)
210 days docked to ISS
Dry mass
9,525 kg (20,999 lb)
Payload Capacity

6,000 kg (13,228 lb) to ISS orbit when launched on Falcon 9
3,000 kg (6,600 lb) return cargo (Pressurized)
800 kg (1,800 lb) disposed cargo

Crew
up to 7, but can be flow autonomous
Dimensions
Diameter: 4 m (13 ft)
Height: 8.1 m (27 ft) (with trunk)
Sidewall angle: 15 degrees
Volume
pressurized 9.3 m3 (330 cu ft)
unpressurized 12.1 m3 (430 cu ft)
Status
Flight Testing
Built
2 (1 test article, 1 production)
Launched
1
First launch
March 2, 2019
Fuel
NTO / MMH

About The Author

Bill D'Zio

Bill D'Zio

Co-Founder at WestEastSpace.com

Bill founded WestEastSpace.com after returning to China in 2019 to be supportive of his wife's career. Moving to China meant leaving the US rocket/launch industry behind, as USA and China don't see eye to eye on cooperation in space. Bill has an engineering degree and is an experienced leader of international cross-functional teams with experience in evaluating, optimizing and awarding sub-contracts for complex systems. Bill has worked with ASME Components, Instrumentation and Controls (I&C) for use in launch vehicles, satellites, aerospace nuclear, and industrial applications.

Bill provides consulting services for engineering, supply chain, and project management.

 

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