Author Topic: Sierra Space Dream Chaser UPDATE Thread (was SNC)  (Read 671189 times)

Offline BrightLight

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Re: SNC Dream Chaser UPDATE Thread
« Reply #1000 on: 09/27/2020 04:48 pm »
One of the carbon composite wing sections delivered to SNC in Colorado.

Offline yg1968

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Re: SNC Dream Chaser UPDATE Thread
« Reply #1001 on: 10/06/2020 02:44 pm »
Quote from: Kathy Lueders
Thanks to our partners for a great visit at @SierraNevCorp’s facility in Colorado to see the Dream Chaser Spaceplane that will transport @ISS_Research and cargo to and from low-Earth orbit and the @Space_Station [email protected] and our commercial partners explore together!

https://twitter.com/KathyLueders/status/1313479137437327360
« Last Edit: 10/06/2020 02:45 pm by yg1968 »

Offline yg1968

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Re: SNC Dream Chaser UPDATE Thread
« Reply #1002 on: 10/07/2020 01:14 am »
Quote from: SNC
It was an honor hosting @NASA’s @KathyLueders, Ken Boweresox & Joel Montalbano at our facilities in Louisville, CO. They had the opportunity to visit our production floor where we’re building the Dream Chaser® spaceplane & Shooting Star™ transport vehicle!
https://twitter.com/SierraNevCorp/status/1313642972483813377

Online FutureSpaceTourist

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Re: SNC Dream Chaser UPDATE Thread
« Reply #1003 on: 10/09/2020 09:48 pm »
https://twitter.com/sierranevcorp/status/1314683077373952000

Quote
We've installed the first flight hardware onto our Shooting Star™ transport vehicle! The Star Tracker brackets hold our Star Tracker units, a navigation tool used on the Dream Chaser® spaceplane. They use mathematics to calculate the orientation of Dream Chaser based on stars.

Offline yg1968

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Re: SNC Dream Chaser UPDATE Thread
« Reply #1004 on: 10/11/2020 08:48 pm »
Inside Sierra Nevada Corp’s space plans, from the reusable ‘Dream Chaser’ to inflatable habitats:
https://www.cnbc.com/2020/10/10/sierra-nevada-corporations-space-plan-dream-chaser-nasas-artemis-and-more.html

Online FutureSpaceTourist

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Re: SNC Dream Chaser UPDATE Thread
« Reply #1005 on: 10/13/2020 06:44 pm »
Quote
DREAM CHASER® SPACEPLANE TEAM PERFORMS SUCCESSFUL WIND TUNNEL TESTING

October 08, 2020

SNC recently completed a successful series of wind tunnel tests performed at NASA’s Ames Research Center over the course of three weeks, requiring both on-site and additional remote support, for more than 16 hours a day.  It was a test our Dream Chaser® spaceplane team worked on for more than a year with preparation and planning.

Aerospace engineer, Mike J., was one of those on-site supporting the testing. He says, the testing isn’t a common one in the industry because of the specialized instrumentation used, but crucial to preparing for Dream Chaser missions.

“Unsteady forces, like vibrations, could produce a critical amount of force on the Dream Chaser airframe. That excessive force could result in failure of the structure. It’s important our engineers know all the forces acting on the airframe with as much accuracy as possible to design the structures with sufficient strength for safe flight operations.”

The Dream Chaser model used in the testing looks a little different from what we’re used to seeing in renderings. First up, it’s small; 1/10 the size of the actual vehicle. Mike says the size was determined based on what would allow for safe operations inside the wind tunnel space. It’s also silver! Of course, there’s a reason for that too!

“Typically, wind tunnel models are made of stainless steel or aluminum. Dream Chaser gets its color from the black and white Thermal Protection System (TPS) tiles,” Mike said. “While the test model incorporates the presence of TPS tiles, color isn’t relevant to wind tunnel testing.”

There are a few other details that also stand out on the model that are different from the actual Dream Chaser, like the text. The words written on the model identify a sensor and help the engineers associate it with the proper data channels. As for the white spots on the bottom of the model, it’s simply paste! It was used to cover items like the external fasteners and recessed bolt heads. That hardware doesn’t exist on the flight vehicle and the paste helps smooth the outer surface, much like the actual Dream Chaser.

After returning to SNC’s Louisville, Colorado production facility, we asked Mike what the best part of the trip was, and his answer was simple. “Having spent most of my career in wind tunnel testing, my favorite part is always successfully conducting the test.  Our team performed seamlessly and the credit goes to everyone for making the test a success.”

https://www.sncorp.com/blog/snc-wind-tunnel-tests/
« Last Edit: 10/13/2020 06:46 pm by FutureSpaceTourist »

Online FutureSpaceTourist

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Re: SNC Dream Chaser UPDATE Thread
« Reply #1006 on: 11/03/2020 05:19 pm »
https://twitter.com/sierranevcorp/status/1323690179933147136

Quote
Jump on a ride to space! SNC has a brand new interactive video to showcasing the Dream Chaser® spaceplane, along with highlighting its capabilities in low-Earth orbit. It lets users to click through the various steps of the mission, from launch to landing, https://www.sncorp.com/interactive



Offline yg1968

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Re: SNC Dream Chaser UPDATE Thread
« Reply #1007 on: 11/11/2020 01:22 am »
In the video, SNC mentions that Shooting Star can be used to service Gateway.

Online Lee Jay

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Re: SNC Dream Chaser UPDATE Thread
« Reply #1008 on: 11/17/2020 04:15 pm »
I was on a conference call with SNC today.   A lot of topics were covered from Tipping Point (a technology for producing oxygen from lunar regolith) to the LIFE inflatable habitat to Dream Chaser and its cargo module "Shooting Star".  The biggest thing that might be relevant to this thread is that DC is now expected to have first-flight sometime in 2022.  That's not a long delay from the end of 2021 plan and they seem to have done a good bit of work to mitigate the effects of the pandemic-related slow-down, but I think we all knew there would be some schedule slip.  Steve Lindsey gave an example of how a structural test was delayed when some exposure required the team to quarantine leading them to re-purpose their mission control center to run the structural test remotely.  Cool mitigation but it still caused the testing to take longer than planned.

Offline yg1968

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Online FutureSpaceTourist

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Re: SNC Dream Chaser UPDATE Thread
« Reply #1010 on: 11/25/2020 10:32 pm »
https://twitter.com/sierranevcorp/status/1331742018473701376

Quote
Take a journey to the @Space_Station using SNC’s new interactive video. It brings to life the ways our Dream Chaser® spaceplane & Shooting Star™ transport vehicle increase routine access to low-Earth orbit!
https://www.sncorp.com/interactive

Offline yg1968

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Re: SNC Dream Chaser UPDATE Thread
« Reply #1011 on: 12/14/2020 06:08 pm »
Quote from: Marcia Smith
Bruno: first Vulcan certification flight is Astrobotic, Sierra Nevada’s Dream Chaser is second.  Have sold more than 30 Vulcan missions already. Asked what happens if Astrobotic not ready next yr, Bruno said they can slot in one of the others and maintain certification schedule.

https://twitter.com/SpcPlcyOnline/status/1338558300829470720

Online FutureSpaceTourist

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Re: SNC Dream Chaser UPDATE Thread
« Reply #1012 on: 12/24/2020 06:21 pm »
https://twitter.com/sierranevcorp/status/1342187549490638851

Quote
While 2020 was a year unlike any other, SNC remained innovative in the face of new challenges. Our Dream Chaser® spaceplane team stayed busy on the production floor meeting milestones. As 2020 comes to a close we’re celebrating 20 of their accomplishments! bit.ly/37syPrr

Online Kryten

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Re: SNC Dream Chaser UPDATE Thread
« Reply #1013 on: 01/02/2021 07:51 pm »
 An early Dream Chaser structural engineering model has been listed on ebay with a starting bid of $500 (or $3,800 buy-it-now), no bids currently with less than 24 hours left. Here's the item description and images;
Quote
Item specifics
Condition:   
Used: An item that has been used previously.
Brand:   
Sierra Nevada Corporation
Features:   Carbon Fiber Honeycomb Structure   Scale:   Full Scale
Type:   Spacecraft

[Has the Type: Spacecraft tag ever been used on ebay before? I doubt it]

The Dream Chaser is a reusable lifting-body spaceplane being developed by Sierra Nevada Corporation. Originally intended as a crewed vehicle, the Dream Chaser Space System, to be produced after the cargo variant, Dream Chaser Cargo System, is operational. The crewed variant is capable of carrying up to seven people and cargo to and from low Earth orbit.

The cargo Dream Chaser is designed to resupply the International Space Station with both pressurized and unpressurized cargo. It is intended to launch vertically on the Vulcan Centaur rocket and autonomously land horizontally on conventional runways. A proposed version operated by ESA would launch on Ariane 5.

This engineering model made of carbon fiber honeycomb was manufactured by Lockheed Martin in the same facility that produces the F35 Lightning II.  It was used for early structural testing of the spaceplane body and later used by technicians to rehearse cutting and drilling operations that were necessary on the flight unit.

This piece of space history measures approximately 15 feet long and 6 feet in diameter. The structure walls are over an inch thick in places but because of the carbon fiber construction the unit is still light.  It can be lifted by four people.  A resting fixture is included that features heavy duty casters to easily move the unit.

This would make an incredible flight simulator of placehouse for kids.

Offline adrianwyard

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Re: SNC Dream Chaser UPDATE Thread
« Reply #1014 on: 01/02/2021 09:21 pm »
Well that's unexpected! I really hope it ends up in a museum or the like rather than as a lawn ornament somewhere.

https://www.ebay.com/itm/Dream-Chaser-Spacecraft-Structural-Engineering-Model/333835930384

The seller is Reid Hollander, who recently left SNC. A parting gift?

Offline Mammutti

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Re: SNC Dream Chaser UPDATE Thread
« Reply #1015 on: 01/06/2021 04:48 pm »
https://twitter.com/SierraNevCorp/status/1346834676170821636

Quote from: Sierra Nevada Corporation
Hi! I’m Hannah, a propulsion manufacturing engineer at SNC. As part of the operations team I work directly with technicians & engineers on our production floor, so how about a tour? I’ll be taking over SNC’s social media today to show you all the activity!

https://twitter.com/SierraNevCorp/status/1346851783730196480

Quote from: Sierra Nevada Corporation
The Taylor floor is currently home to the Dream Chaser® spaceplane & Shooting Star™ transport vehicle. Teams of engineers, technicians, inspectors & work control are working day & night to juggle multiple tasks & ensure the builds go smoothly.

https://twitter.com/SierraNevCorp/status/1346871161897054215

Quote from: Sierra Nevada Corporation
Aside from flight hardware, there is a LOT of ground support equipment & tooling on the floor. The Dream Chaser® spaceplane is held up by a platform allowing access from nearly all angles. The Shooting Star™ transport vehicle is held in a rotating tool for total exterior access.

https://twitter.com/SierraNevCorp/status/1346887018157121538

Quote from: Sierra Nevada Corporation
Our team has been working to install the aeroshells on the Dream Chaser® spaceplane. They’ll eventually enclose the open areas you see in the pictures. Soon the bays will be filled with components like batteries, brackets, plumbing, and tanks.
« Last Edit: 01/06/2021 05:35 pm by Mammutti »

Offline yg1968

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Re: SNC Dream Chaser UPDATE Thread
« Reply #1016 on: 01/15/2021 07:29 pm »
Quote from: Michael Sheetz
The FAA today issued Space Florida with a "Reentry Site Operator License" (RSOL) to operate from Shuttle Landing Facility (SLF). This is key to supporting @SierraNevCorp's future Dream Chaser spaceplane missions.

SLF will now be known simply as Space Florida's "Launch and Landing Facility."

Sierra Nevada EVP Janet Kavandi: "The runway landing capability is what makes Dream Chaser the best solution for space travel right now ... We congratulate Space Florida on this licensing that will accelerate space travel and make it more accessible.”

https://twitter.com/thesheetztweetz/status/1350174098039648256

https://twitter.com/thesheetztweetz/status/1350174310527332357

Offline yg1968

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Online FutureSpaceTourist

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Re: SNC Dream Chaser UPDATE Thread
« Reply #1018 on: 03/03/2021 06:36 pm »
https://twitter.com/jeff_foust/status/1367196545163132939

Quote
In the same webinar, Janet Kavandi of SNC says the first Dream Chaser cargo mission to the ISS is now scheduled for the second half of 2022.

Offline yg1968

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Re: SNC Dream Chaser UPDATE Thread
« Reply #1019 on: 03/31/2021 07:32 pm »
Quote from: Marcia Smith
Lindsay confirms SNC has 7, not 6, cargo missions under contract with NASA.

https://twitter.com/SpcPlcyOnline/status/1377340282312663042

 

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