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Search: Posts made by: David Spain
Forum: Policy August 31st 19, 03:07 PM Posted to sci.space.policy
Replies: 4
Views: 365
Posted By David Spain
Interview John Bilcow on the Work to a Next Generation SpaceStation

On 2019-08-30 8:57 PM, wrote:
On Thursday, August 29, 2019 at 9:12:20 AM UTC-4, David Spain wrote:
Look I'm not trying to be a Debbie Downer here. Just trying to...
Forum: Policy August 22nd 19, 02:50 PM Posted to sci.space.policy
Replies: 2
Views: 270
Posted By David Spain
Dynamic Vacuum Model & Casimir Cavity Experiments

On 8/21/2019 7:26 AM, Sylvia Else wrote:
On 21/08/2019 2:02 pm, David Spain wrote:
A paper from this past June.

Dr. Harold "Sonny" White at Eagleworks is still at it. He's been
...
Forum: Policy August 21st 19, 05:02 AM Posted to sci.space.policy
Replies: 2
Views: 270
Posted By David Spain
Dynamic Vacuum Model & Casimir Cavity Experiments

A paper from this past June.

Dr. Harold "Sonny" White at Eagleworks is still at it. He's been
speculating about Casimir Effect Thrusters with some very interesting
results.

A new approach to...
Forum: Policy August 6th 19, 04:25 PM Posted to sci.space.policy
Replies: 11
Views: 512
Posted By David Spain
Advanced propulsion technology? Or BS?

On 6/30/2019 2:03 AM, wrote:
According to:

...
Forum: Policy August 6th 19, 04:18 PM Posted to sci.space.policy
Replies: 8
Views: 301
Posted By David Spain
Where is this located?

On 8/6/2019 6:30 AM, Jeff Findley wrote:

It's the dome shaped thing on the axial CBM port. That's really all it
is. You open the CBM hatch, load this thing up with nano-satellites,
close...
Forum: Policy August 6th 19, 04:16 PM Posted to sci.space.policy
Replies: 11
Views: 512
Posted By David Spain
Advanced propulsion technology? Or BS?

On 8/6/2019 2:40 AM, wrote:
I call BS.

If this stuff is as good as claimed there would be a Secrecy Order
already issued against those Patent Applications. An FOIA can be...
Forum: Policy August 2nd 19, 01:36 PM Posted to sci.space.policy
Replies: 7
Views: 366
Posted By David Spain
Senate Launch System continues to delay development

On 8/2/2019 7:48 AM, Jeff Findley wrote:
In article ,
says...

Today, NASA signed an agreement with SpaceX to...
Forum: Policy July 30th 19, 09:41 PM Posted to sci.space.policy
Replies: 7
Views: 364
Posted By David Spain
CO In Your Coffee? : Weird Space Hazards - Vol. 1

On 7/30/2019 4:32 PM, David Spain wrote:
....
The Naval Surface Warfare
Center Philadelphia Division has worked with a coffee producer to
quantify the carbon monoxide release from freshly...
Forum: Policy July 30th 19, 09:32 PM Posted to sci.space.policy
Replies: 7
Views: 364
Posted By David Spain
CO In Your Coffee? : Weird Space Hazards - Vol. 1

"Carbon Monoxide Release from Whole Bean Roasted Coffee in Storage"

McCarrick
Letter
Neal

Jul-2019

Abstract:
Industrial coffee producers have experienced a few hazardous events
Forum: Policy July 30th 19, 09:22 PM Posted to sci.space.policy
Replies: 1
Views: 381
Posted By David Spain
NASA Needs New Spacesuits

On 7/30/2019 3:06 PM, David Spain wrote:
An article from WKMG Channel 6 (Orlando?)...

https://www.clickorlando.com/moon-landing/nasa-needs-new-spacesuits-heres-whats-being-done-about-it

...
Forum: Policy July 30th 19, 08:06 PM Posted to sci.space.policy
Replies: 1
Views: 381
Posted By David Spain
NASA Needs New Spacesuits

An article from WKMG Channel 6 (Orlando?)...

https://www.clickorlando.com/moon-landing/nasa-needs-new-spacesuits-heres-whats-being-done-about-it

Dave
Forum: History July 28th 19, 07:00 AM Posted to sci.space.history
Replies: 8
Views: 690
Posted By David Spain
Question abt Lunar landing simulators

On 7/27/2019 12:35 PM, Niklas Holsti wrote:
On 19-07-27 18:40 , wrote:
David,

Thanks for your recommendation.

I just read the intro to the aRocket forum.*...
Forum: Policy July 26th 19, 06:54 PM Posted to sci.space.policy
Replies: 16
Views: 863
Posted By David Spain
Two Starships in "bolas" rotation

On 7/26/2019 12:58 PM, Niklas Holsti wrote:
On 19-07-24 20:18 , wrote:
On Tuesday, May 21, 2019 at 2:15:19 PM UTC-4, Niklas Holsti wrote:
The SpaceX plans for the first...
Forum: Policy July 26th 19, 05:07 PM Posted to sci.space.policy
Replies: 0
Views: 445
Posted By David Spain
Starhopper's Short Hop Video Links

Some links to Starhopper's first flight. Kudos to Niklas Holsti for the
first link.

From on-board:
https://www.youtube.com/watch?v=eaBMqs1z9cc

From the...
Forum: History July 26th 19, 03:06 PM Posted to sci.space.history
Replies: 8
Views: 690
Posted By David Spain
Question abt Lunar landing simulators

On 7/25/2019 9:07 PM, wrote:
Did the LLTVs have images of the lunar surface projected onto their 'windows'?

Did some other lunar landing simulator have moving lunar...
Forum: Policy July 26th 19, 02:23 PM Posted to sci.space.policy
Replies: 37
Views: 561
Posted By David Spain
Artemis 3 Mission in 2024

On 7/26/2019 9:19 AM, Niklas Holsti wrote:
On 19-07-26 15:00 , David Spain wrote:
On 7/26/2019 7:37 AM, Jeff Findley wrote:
** ...
I write this on the morning after Starhopper made its...
Forum: Policy July 26th 19, 01:00 PM Posted to sci.space.policy
Replies: 37
Views: 561
Posted By David Spain
Artemis 3 Mission in 2024

On 7/26/2019 7:37 AM, Jeff Findley wrote:
Plus such an approach nicely dovetails with building earth orbiting
space stations and the like.

The actual Space Race was short and sweet and sent...
Forum: Policy July 26th 19, 12:51 PM Posted to sci.space.policy
Replies: 37
Views: 561
Posted By David Spain
Artemis 3 Mission in 2024

On 7/26/2019 2:27 AM, William Elliot wrote:

If weren't for thea Russian Sputnik, would US have a space program?


An interesting question. I would say, yes, but it would have looked very...
Forum: Policy July 25th 19, 12:46 PM Posted to sci.space.policy
Replies: 37
Views: 561
Posted By David Spain
Artemis 3 Mission in 2024

On 7/24/2019 8:07 PM, Scott Kozel wrote:
Anyone want to predict whether this will actually happen in 2024?
It would be interesting for sure.


I'd say improbable... Forgetting minor nits such...
Forum: Policy July 24th 19, 05:29 PM Posted to sci.space.policy
Replies: 2
Views: 362
Posted By David Spain
Cargo Dragon 2 vehicles will be purpose built (not reflown crewvehicles)

But since down-mass is important to NASA I assume they are recoverable.
Does that imply the cargo variant will be reused?

Dave
Forum: Policy July 22nd 19, 03:21 PM Posted to sci.space.policy
Replies: 42
Views: 830
Posted By David Spain
SpaceX Capsule Explosion

On 7/20/2019 10:16 AM, Jeff Findley wrote:
In article ,
says...
[snip]

It is correct to state that the root cause is the...
Forum: Policy July 20th 19, 01:31 PM Posted to sci.space.policy
Replies: 42
Views: 830
Posted By David Spain
SpaceX Capsule Explosion

On 7/19/2019 2:43 PM, JF Mezei wrote:
On 2019-07-19 12:05, David Spain wrote:

presume the only method to relieve the pressure is through combustion,
but there may also exist a pressure...
Forum: Policy July 19th 19, 05:22 PM Posted to sci.space.policy
Replies: 42
Views: 830
Posted By David Spain
SpaceX Capsule Explosion

On 7/19/2019 12:01 PM, Niklas Holsti wrote:
On 19-07-19 18:13 , David Spain wrote:
On 7/19/2019 9:19 AM, Niklas Holsti wrote:

They might even use propulsive landing for cargo flights.
...
Forum: Policy July 19th 19, 05:05 PM Posted to sci.space.policy
Replies: 42
Views: 830
Posted By David Spain
SpaceX Capsule Explosion

On 7/19/2019 11:34 AM, JF Mezei wrote:

As the Dragon spashes down, are those tanks stil pressurized, or is
there a means to close Helim tank, and then burn engines till there is
no more...
Forum: Policy July 19th 19, 04:13 PM Posted to sci.space.policy
Replies: 42
Views: 830
Posted By David Spain
SpaceX Capsule Explosion

On 7/19/2019 9:19 AM, Niklas Holsti wrote:

They might even use propulsive landing for cargo flights.


If that was the plan before replacing the check valve(s) with burst
disks, I wonder if...
Showing results 1 to 25 of 500

 
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