Are they still planning on the "evaluate preforming LOI if vehicle checks out" part of the EM-2 plan?
That switch apparently put pressure on engineers to reduce the module's mass from more than eight tons to as little as 6.5 tons, probably because the EM-2 was designed to fly a less efficient but safer profile required by the first manned launch of the Orion crew vehicle.
The first pressure vessel article built was a Ground Test Article that was used for testing at different facilities.“It was at 31 welded parts and 3900 pounds. That was kind of the first attempt at the primary structure,” Kearney added.
“For Exploration Flight Test-1 (EFT-1), we had eighteen welded parts [that weighed] about 3300 pounds. With Exploration Mission-1, we’re down to seven welded parts and 2700 pounds,” Kearney noted.
Are there any more concrete / official information on who's going to develop those gateway structures? Wouldn't they have to soon start designing those?
For Exploration Flight Test-1 (EFT-1), we had eighteen welded parts [that weighed] about 3300 pounds. With Exploration Mission-1, we’re down to seven welded parts and 2700 pounds
Does the service module use hydrazine?If so how does this effect it's testing and use?http://spacenews.com/hydrazine-ban-could-cost-europes-space-industry-billions/?utm_content=buffer66078&utm_medium=social&utm_source=twitter.com&utm_campaign=buffer{EU bans hydrazine}