PPRuNe Forums - Search Results
PPRuNe Forums

Go Back  PPRuNe Forums > Search Forums
Reload this Page >

Search Results

Register
FAQ
Calendar
Wikiposts
Today's Posts
Search
Vendor Directory
Search: Posts Made By: peekay4
Showing results 1 to 14 of 14
Search took 0.00 seconds.
Forum: Rumours & News
13th Nov 2014, 01:36
Replies: 281
Views: 222,268
Posted By peekay4

Ah, right, what a frightful experience that would...

Ah, right, what a frightful experience that would be!
Forum: Rumours & News
13th Nov 2014, 01:13
Replies: 281
Views: 222,268
Posted By peekay4

From Bloomberg news: "The (surviving...

From Bloomberg news:

"The (surviving pilot's) last memory before passing out was the realization that the water on his tongue was boiling, according to NASA. Water boils at lower temperatures as...
Forum: Rumours & News
6th Nov 2014, 10:12
Replies: 281
Views: 222,268
Posted By peekay4

The second one is 65% complete, should be ready...

The second one is 65% complete, should be ready for ground and flight testing in 2015.
Forum: Rumours & News
6th Nov 2014, 01:03
Replies: 281
Views: 222,268
Posted By peekay4

The math is a bit off. Using solely the...

The math is a bit off.

Using solely the above parameters:

q = 10.2 kPa at 45kft and M1
q = 6.2 kPa at 70kft and M 1.4

So roughly 40% less.
Forum: Rumours & News
5th Nov 2014, 15:16
Replies: 281
Views: 222,268
Posted By peekay4

7.7 km/s is about the velocity required to...

7.7 km/s is about the velocity required to maintain low-earth orbit.

Due to atmospheric and gravity drag, the velocity required to reach low orbit -- the delta V-- is about 9.4 km/s (33,840...
Forum: Rumours & News
4th Nov 2014, 18:32
Replies: 281
Views: 222,268
Posted By peekay4

SpaceShipTwo will not be a "certified" aircraft. ...

SpaceShipTwo will not be a "certified" aircraft. That's because none of the current commercial certification regimes apply to sub-orbital flight (they are designed for "normal" passenger carrying...
Forum: Rumours & News
4th Nov 2014, 15:24
Replies: 281
Views: 222,268
Posted By peekay4

That should be Mach 1.40, not Mach 1.04. ...

That should be Mach 1.40, not Mach 1.04.

There will undoubtedly be some human-performance analysis to see if one of the pilots saw 1.04 and got it confused with 1.40. However the latest NTSB...
Forum: Rumours & News
4th Nov 2014, 02:30
Replies: 281
Views: 222,268
Posted By peekay4

Pilot privacy, fear of enforcement action (FAA &...

Pilot privacy, fear of enforcement action (FAA & law enforcement), and possibility of damaging evidence in civil lawsuits in case of a mishaps.

Little remembered now, but before voice recorders...
Forum: Rumours & News
3rd Nov 2014, 15:35
Replies: 281
Views: 222,268
Posted By peekay4

Dynamic pressure is greatest at transonic flight...

Dynamic pressure is greatest at transonic flight (Max Q), then reduces as the aircraft goes supersonic and accelerates past Mach 1.2.

So for safety, the feathering mechanism must be locked when...
Forum: Rumours & News
3rd Nov 2014, 06:58
Replies: 281
Views: 222,268
Posted By peekay4

The "project" did not release the information. ...

The "project" did not release the information.

The NTSB did. They released factual information. Reason? It's their job to do so.
Forum: Rumours & News
3rd Nov 2014, 03:39
Replies: 281
Views: 222,268
Posted By peekay4

Sunday PM NTSB briefing: - N2O oxidizer tank...

Sunday PM NTSB briefing:

- N2O oxidizer tank found intact

- SpaceShipTwo appear to have had an "uncommanded feather"

- In order to feather, normal procedures involve two steps: 1) co-pilot...
Forum: Rumours & News
1st Nov 2014, 02:30
Replies: 281
Views: 222,268
Posted By peekay4

I believe it was the same "back then". ...

I believe it was the same "back then".

During the Bell X-1 flight program there were numerous rocket engine failures. In fact, on the very first X-1 powered flight (flown by Chalmers Goodlin),...
Forum: Rumours & News
31st Oct 2014, 23:51
Replies: 281
Views: 222,268
Posted By peekay4

@radix They had abandoned the engine mixture...

@radix

They had abandoned the engine mixture related to the 2007 accident. That engine had a rubber-based fuel (HTPB) and was being developed by a sub-contractor (Sierra Nevada Corp -- SNC).
...
Forum: Rumours & News
31st Oct 2014, 18:58
Replies: 281
Views: 222,268
Posted By peekay4

One fatality, one major injury, per California...

One fatality, one major injury, per California Hwy Patrol at this time.
Showing results 1 to 14 of 14


 
Forum Jump

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.