SpaceX Clearing Final Hurdles Toward Crew Dragon Flights Commented on: 4 days ago (October 10, 2019)

A rhetorical question, which would NASA prefer; a delayed but tested Crew Dragon or dead astronauts?
Boeing are also behind schedule, but neither company will risk a PR disaster!

How The Attack on Saudi Oil Production Affects A&D Commented on: 1 week ago (October 7, 2019)

A leading Arab state buying weapons from Israel?

British F-35s Head For Carrier Operational Testing Commented on: 1 week ago (October 7, 2019)

I believe the SRVL technique is unique to the RN, will the Marines be using it?

NTSB Urges Changes In Pilot-Performance Assumptions Commented on: 1 week ago (October 7, 2019)

Reading this paragraph from the report:-
“Human factors research has identified that, for non-normal conditions, such as those involving a system failure with multiple alerts, where there...

SpaceX Aims For Orbital Flights Of Prototype Mars Ship Next Year Commented on: 1 week ago (October 6, 2019)

If they start their life support system design with the same ideas as used in submarines, they should have one foot on the ladder.

China Unveils DF-17 Missile With Hypersonic Glider Commented on: 1 week ago (October 2, 2019)

It would be very unstabling to have the same missile with both conventional and nuclear warheads. A nuclear version will presumably have a different designation, even if the only difference is the...

FAA Administrator Dickson Says MAX Review Will Take 'Some Time’ Commented on: 3 weeks ago (September 20, 2019)

In their new cabin layout Airbus have moved the galley to the rear of the cabin, that's a lot of weight. If it equals the weight of the passengers who would occupy that last row of seats then...

Pratt & Whitney Defining F-35 Engine Upgrade Package Commented on: 3 weeks ago (September 18, 2019)

The F-35 needs the reduced fuel consumption and additional cooling now, not in fifteen years. It is already pushing its thermal management capabilities, what another fifteen years of 'capability...

MAX Saga Signals Changes In How FAA Seeks Pilot Feedback Commented on: 6 weeks ago (August 28, 2019)

The MAX is the result of trying to fit an engine with a 70 inch diameter fan under the wing of an airframe designed for one with a 50 inch fan. Like a quart into a pint pot, in just doesn't fit!...

Full Superconducting Motor Readied For Tests Commented on: 10 weeks ago (August 5, 2019)

I admit too knowing nothing about superconductors, apart from the basic idea that they have effectively zero resistance.
But anyone who regards -250C as 'high temperature' evidently has a...

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