Boom Supersonic reveals a refined Overture, partners with Northrop Grumman

[Boats]

Boom Supersonic reveals a refined Overture, partners with Northrop Grumman
By: World Airline News - 07-21-22
Re: https://worldairlinenews.com/2022/07...throp-grumman/

Boom Supersonic, the company building the world’s fastest airliner, optimized for speed, safety, and sustainability, has presented the refined design of Overture and also announced a new partnering agreement with Northrop Grumman to develop special mission variants of the aircraft. Carrying 65–80 passengers at twice the speed of today’s airliners and running on 100% sustainable aviation fuel (SAF), Overture will fly Mach 1.7 over water with a range of 4,250 nautical miles.

The Overture reveal at the Farnborough International Airshow is the culmination of 26 million core-hours of simulated software designs, five wind tunnel tests, and the careful evaluation of 51 full design iterations, resulting in an economically and environmentally sustainable supersonic airliner.

Photo link: https://worldairlinenews.files.wordp...pg?w=768&h=432
With this updated configuration, Boom combines a number of engineering innovations in aerodynamics, noise reduction, and overall performance.

Key Features:

Four-engine design: Overture will be powered by four powerful, wing-mounted engines that enable the airliner to cruise at Mach 1.7 over water and just under Mach 1 over land. Additionally, the four-engine design reduces noise while also decreasing costs for airline operators. Engine placement was selected to conform to the strictest passenger safety requirements.

Quieter operation: On take-off, Overture will use the world’s first automated noise reduction system. The airliner will fly without afterburners, meeting the same strict regulatory noise levels as the latest subsonic airplanes. These noise reduction efforts will deliver a quieter experience both for passengers and airport communities.

2nd photo link: https://worldairlinenews.files.wordp...pg?w=768&h=432

Contoured fuselage: According to the principle of area-ruling, Overture’s fuselage has a larger diameter toward the front of the aircraft and a smaller diameter toward the rear. Boom has applied this design technique to minimize drag and maximize fuel efficiency at supersonic speeds.

Gull wings: The aircraft’s wings are sculpted to enhance supersonic performance as well as improve subsonic and transonic handling. Importantly, the wing shaping also helps ensure safety and stability at any speed.

Carbon composite construction: Overture will incorporate carbon composite materials into the majority of the build that are lighter, stronger, and more thermally stable than traditional metal construction. Carbon composites can also be manufactured with highly complex curvature, contributing to the aircraft’s aerodynamic efficiency.

Net zero carbon: Overture has been developed from the beginning to be net zero carbon, flying on 100% SAF. Sustainability is woven into all aspects of Overture, from design and production to flight and end-of-life recycling.

Overture Specifications:

• Cruise speed: Mach 1.7 supersonic, Mach 0.94 subsonic
• Range: 4,250nm with full payload
• Passengers: 65–80
• Exterior Dimensions: Length: 201 feet, Wingspan: 106 feet, Height: 36 feet • Interior Dimensions: 79 feet long, up to 6.5 feet height at aisle

• Airframe: composite fuselage, wing, vertical, and horizontal
• Wing: gull with digital leading and trailing edge flap control
• Flight controls: 4x redundant digital fly-by-wire on 2 LRUs
• Powerplant: 4x medium-bypass 100% SAF-compatible turbofan • Airport Community noise: ICAO Chapter 14 / FAA Stage 5

Additionally, the company announced today that it will begin outfitting The Iron Bird, a new 70,000-square-foot hardware ground test facility in Centennial, Colorado to house its first full-scale Overture testing model and flight deck simulators. The test model, also called an iron bird, will be used for integrating Overture’s flight hardware, software, and systems. Earlier this year, Boom announced its selection of the Piedmont Triad area for its first Overture Superfactory and remains on track to begin production in 2024.

Boom signs partnering agreement with Northrop Grumman:

Today at The Farnborough Airshow, Boom Supersonic also announced a landmark partnering agreement with Northrop Grumman to develop special mission variants for the U.S. Government and its allies.

“Time is a strategic advantage in high consequence scenarios, from emergency evacuations to disaster response,” said Scholl. “This collaboration between Boom and Northrop Grumman unlocks the potential for Overture to provide the US and our allies with an unmatched high speed capability when and where it’s most needed.”

Together, the two companies will pursue new use cases for Overture to support government and military operations that require rapid response, including quick-reaction surveillance and reconnaissance, command and control, as well as mobility and logistics missions such as emergency medical and troop transport.

“Pairing Northrop Grumman’s airborne defense systems integration expertise with Boom’s state-of-the-art Overture supersonic aircraft makes perfect sense,” said Tom Jones, president of Northrop Grumman Aeronautics Systems. “Together we can ensure military variants of Overture are tailored for missions where advanced system capabilities and speed are critical.”

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Personal note: Ever notice nothing it seems fast enough now adays. Sooner or later the transporter will be developed and we will walk through this door and come out on the other side of the world. Nothing is fast enough for those who want it now.
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[Boats]

1. Does breaking the sound barrier damage a plane?

Anything exceeding the speed of sound creates a "sonic boom", not just airplanes. An airplane, a bullet, or the tip of a
bullwhip can create this effect; they all produce a crack. This pressure change created by the sonic boom can be quite
damaging.

2. Did you know? - Has a 747 ever broken the sound barrier?

Key. While aircraft are put through extreme testing during their certification, these are never intended to be actually faced.
The 747-100, for instance, was tested up to Mach 0.99, almost breaking the sound barrier. Other 747s, such as Air Force One,
have approached the sound barrier but never crossed it.

3. Can sonic boom be eliminated?

The key to eliminating the sonic boom is in the design of an airframe. In a conventional supersonic jet, the shockwaves
coalesce as they expand away from the nose and tail - leading to two distinct sonic booms.

4. Do Rockets make sonic boom?

– SpaceX had a successful Thursday morning launch from the Space Coast, producing sonic booms as its Falcon 9 rocket's
first stage returned to Cape Canaveral Space Force Station. Just under 10 minutes after its 10:25 a.m. liftoff, the 162-foot
booster generated window-rattling sonic booms.

5. Why are there 2 sonic booms?

The "boom" is experienced when there is a sudden change in pressure; therefore, an N-wave causes two booms –
one when the initial pressure-rise reaches an observer, and another when the pressure returns to normal. This leads
to a distinctive "double boom" from a supersonic aircraft.

6. Can U.S. stop a hypersonic missile?

History demonstrates that no weapon is invincible. Northrop Grumman, in partnership with the U.S. government and
industry, can neutralize these hypersonic threats and protect our nation and its armed forces against these modern
destructive weapons.

6a. Can you shoot down a nuke?

Short answer: It's very unlikely. As you read above, causing a nuclear bomb to detonate requires a precise orchestration
of events, without which the chain reaction does not initiate and the bomb doesn't detonate.

6b. How many nukes would it take to destroy the world?

This is why another study had been conducted in 2018 testing a similar scenario that also concluded that it would take
~ 100 nuclear bombs to end this world. What is scarier is that within this world there are 13,080 ready-to-use nuclear
warheads - and yet it takes such a small amount.
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Personal note: Depressing isn't it! - But they keep building them - and the world as we know it would be so contaminated
that nothing could possibly exist for any length of time. The planet would be saturated radiation & everything on it - would
die.

Hopefully quickly - but you never know - maybe some will be in underground bunkers - with no sun light and that can
only last for so long; and eventually the food stuffs would run out - and the rest to ugly to contemplate. Sad scenario -
but how long would we have? God only knows? Before someone pulls the triggers - thus the beginning of the end!
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