Author Topic: Gaganyaan TV-D1 - FLP - 21 October 2023 (04:30 UTC)  (Read 31092 times)

Offline Bob Shaw

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Re: Gaganyaan TV-D1 - FLP - 21 October 2023 (04:30 UTC)
« Reply #100 on: 10/22/2023 12:45 pm »
The recovery ship had substantial cranes aboard. Thatís a pretty important resource!
« Last Edit: 10/22/2023 12:52 pm by Bob Shaw »

Online FutureSpaceTourist

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Offline sanman

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Re: Gaganyaan TV-D1 - FLP - 21 October 2023 (04:30 UTC)
« Reply #102 on: 10/22/2023 03:35 pm »
just embedding for easier viewing:


Offline Jrcraft

Re: Gaganyaan TV-D1 - FLP - 21 October 2023 (04:30 UTC)
« Reply #103 on: 10/22/2023 08:39 pm »
just embedding for easier viewing:


Is there a reason why their chosen framerate is so low? I'd assume a higher frame rate would be more useful for postflight analysis & such.
AE/ME
6 Suborbital spaceflight payloads. 14.55 minutes of in-space time.

Offline Bob Shaw

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Re: Gaganyaan TV-D1 - FLP - 21 October 2023 (04:30 UTC)
« Reply #104 on: 10/22/2023 09:06 pm »
The downlink video may well be much lower quality than what was recorded. We must wait and see!

Offline ZuluLima

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Re: Gaganyaan TV-D1 - FLP - 21 October 2023 (04:30 UTC)
« Reply #105 on: 10/22/2023 11:46 pm »
I didn't see if it was mentioned; does anyone know what platform supplied the airborne infrared views of the capsule under parachute?  P-8 perhaps?

Offline darkenfast

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Re: Gaganyaan TV-D1 - FLP - 21 October 2023 (04:30 UTC)
« Reply #106 on: 10/25/2023 02:50 am »
noticed significant buffeting of the capsule on the drogue chutes ( telemetry reflecting animation ? ).
not sure if the astronauts will like that.

I remember seeing that on another capsule's abort test as well (maybe SpaceX?). I think it's a product of an abort while still in atmosphere, as the capsule automatically flips around. Since it's saving their lives and it's not at the end of a long period of micro-gravity, I'm sure they will live with it. After all, it probably beats the alternative!
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-- Phil Henderson, Composer of the West End musical "The Far Pavilions".

Offline Angry_cat

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Re: Gaganyaan TV-D1 - FLP - 21 October 2023 (04:30 UTC)
« Reply #107 on: 11/06/2023 04:34 am »
Quick question for someone who is knowledgeable about the VIKAS engine. How exactly does it differ from the Viking engines used on Ariane 1-4? Am i right in assuming it is just the same engine but manufactured under license in India? If it is the same engine then why does ISRO insist that VIKAS is an indigenous design?
« Last Edit: 11/06/2023 04:35 am by Angry_cat »

Offline TheVarun

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Re: Gaganyaan TV-D1 - FLP - 21 October 2023 (04:30 UTC)
« Reply #108 on: 11/06/2023 07:25 am »
^^^
It's made in India, and modifications, improvements have been done in India. Indians themselves contributed man hours to the development of the original Viking-3. Vikas, the Indian version of that engine,  has been more or less indigenous for 30 plus years.

Offline Angry_cat

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Re: Gaganyaan TV-D1 - FLP - 21 October 2023 (04:30 UTC)
« Reply #109 on: 11/06/2023 12:18 pm »
^^^
It's made in India, and modifications, improvements have been done in India. Indians themselves contributed man hours to the development of the original Viking-3. Vikas, the Indian version of that engine,  has been more or less indigenous for 30 plus years.

Sure the engine is built in India but that by itself does not make it indigenous. By that logic if the americans were able to manufacture the RD-180 on US soil then we could start calling it an amercian engine. If it is a french design then by definition it cannot be a "Indigenous" engine of ISRO. Do you have any sources regarding indian contribution to the Viking program?
 
I have also attached a very rough summary of VIKAS and Viking core parameters from wikipedia to help make comparing the two easier.


Offline Angry_cat

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Re: Gaganyaan TV-D1 - FLP - 21 October 2023 (04:30 UTC)
« Reply #110 on: 11/06/2023 12:29 pm »
And while on topic here are two youtube videos from "Scott Manley" and "Everyday Astronaut" getting up close and personal with the Viking engine.

Scott Manley:



Everyday Astronaut:

(Viking is covered from 12:25 onwards)




« Last Edit: 11/06/2023 12:51 pm by Angry_cat »

Offline TheVarun

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Re: Gaganyaan TV-D1 - FLP - 21 October 2023 (04:30 UTC)
« Reply #111 on: 11/06/2023 02:51 pm »
You could say the Vikas engine is Indian/ ISRO, but that it is derived from the Viking- 3, which Indians themselves contributed to. A team of about 30 engineers worked with SEP for several years, acquired hands on experience,  then returned to India to help ISRO develop their own liquid engine. That engine has been made in India for 30-35 years now. I will try to fish out more details.

Offline Angry_cat

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Re: Gaganyaan TV-D1 - FLP - 21 October 2023 (04:30 UTC)
« Reply #112 on: 11/09/2023 05:58 am »
You could say the Vikas engine is Indian/ ISRO, but that it is derived from the Viking- 3, which Indians themselves contributed to. A team of about 30 engineers worked with SEP for several years, acquired hands on experience,  then returned to India to help ISRO develop their own liquid engine. That engine has been made in India for 30-35 years now. I will try to fish out more details.

Have you "fished" out those details yet  :)

Tags: gaganyaan India 
 

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