Author Topic: Arm on standby for Discovery  (Read 16114 times)

Online Chris Bergin

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Offline Launch Fan

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RE: Arm on standby for Discovery
« Reply #1 on: 03/09/2006 04:22 pm »
At least they've got a plan in place. That's good news.

Offline JMS

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RE: Arm on standby for Discovery
« Reply #2 on: 06/27/2007 02:59 am »
How many complete RMS's are there in the inventory?

Offline Ankle-bone12

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Re: Arm on standby for Discovery
« Reply #3 on: 06/27/2007 03:34 am »
Doesn't seem to be a problem anymore since this article is from last year.

however, I'd assume they have enough.
Alex B.

Offline Rocket Guy

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RE: Arm on standby for Discovery
« Reply #4 on: 06/27/2007 04:32 am »
Quote
JMS - 26/6/2007  10:59 PM

How many complete RMS's are there in the inventory?

Five were built; one destroyed on Challenger. Four left, all still in service.

Offline Oberon_Command

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RE: Arm on standby for Discovery
« Reply #5 on: 06/27/2007 04:54 am »
Quote
Ben - 26/6/2007  9:32 PM

Quote
JMS - 26/6/2007  10:59 PM

How many complete RMS's are there in the inventory?

Five were built; one destroyed on Challenger. Four left, all still in service.

I take it that Columbia didn't have one installed when we lost her?

Offline Jorge

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RE: Arm on standby for Discovery
« Reply #6 on: 06/27/2007 05:22 am »
Quote
Oberon_Command - 26/6/2007  11:54 PM

Quote
Ben - 26/6/2007  9:32 PM

Quote
JMS - 26/6/2007  10:59 PM

How many complete RMS's are there in the inventory?

Five were built; one destroyed on Challenger. Four left, all still in service.

I take it that Columbia didn't have one installed when we lost her?

Yes. Many of the dedicated science missions and deploy flights did not; neither did some ISS flights that were relying on the station RMS.

The manifesting of the RMS became mandatory post-Columbia due to the addition of the OBSS for orbiter TPS inspection.
JRF

Offline JMS

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RE: Arm on standby for Discovery
« Reply #7 on: 06/27/2007 06:46 am »
Thanks.

Offline Analyst

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RE: Arm on standby for Discovery
« Reply #8 on: 06/27/2007 06:47 am »
Quote
Jorge - 27/6/2007  7:22 AM

Many of the dedicated science missions and deploy flights did not; neither did some ISS flights that were relying on the station RMS.
Quote

Are you sure about the ISS flights? I can't remember any mission without RMS.

Analyst

Offline ShuttleDiscovery

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RE: Arm on standby for Discovery
« Reply #9 on: 06/27/2007 06:55 am »
How many OBSS are there?

Offline Jorge

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RE: Arm on standby for Discovery
« Reply #10 on: 06/27/2007 04:51 pm »
Quote
Analyst - 27/6/2007  1:47 AM

Quote
Jorge - 27/6/2007  7:22 AM

Many of the dedicated science missions and deploy flights did not; neither did some ISS flights that were relying on the station RMS.

Are you sure about the ISS flights? I can't remember any mission without RMS.

At the very least, the "original" STS-114 and all subsequent MPLM flights were planned to be without the RMS. I don't remember if they'd done that on any previous MPLM flights - 111 would have been the most recent at the time of the accident.
JRF

Offline brahmanknight

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Re: Arm on standby for Discovery
« Reply #11 on: 06/27/2007 04:58 pm »
Here is a photo of sts 111.  Looks like there was a Canadarm on the shuttle.

Offline psloss

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Re: Arm on standby for Discovery
« Reply #12 on: 06/27/2007 05:05 pm »
111 (ISS UF-2) did have the shuttle RMS.

Offline Rocket Guy

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Re: Arm on standby for Discovery
« Reply #13 on: 06/27/2007 05:14 pm »
So far every ISS flight had an arm. The list is here:

http://www.space.gc.ca/asc/eng/exploration/canadarm/flight.asp

Offline psloss

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Re: Arm on standby for Discovery
« Reply #14 on: 06/27/2007 05:18 pm »
It's possible that the original STS-114 (ULF-1) would have been the first (don't think I've seen any documentation on the original flight) given some of the growing pains with the SSRMS in 2001-2002; on STS-111, they changed out the wrist roll joint on the SSRMS.

Offline jamesm

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Re: Arm on standby for Discovery
« Reply #15 on: 06/27/2007 08:30 pm »
There were 4 arms. 201, 301, 302 and 303.  There are 3 inservice, not 4
SRMS & MSS Engineer

Offline gordo

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Re: Arm on standby for Discovery
« Reply #16 on: 06/27/2007 10:53 pm »
if you read through the manifest there have been 5 Canadarms. 201, 202, 301, 302 (destroyed on Challenger), and 303.

Offline jamesm

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Re: Arm on standby for Discovery
« Reply #17 on: 06/28/2007 12:02 pm »
Quote
gordo - 27/6/2007  6:53 PM

if you read through the manifest there have been 5 Canadarms. 201, 202, 301, 302 (destroyed on Challenger), and 303.

Trust me - there were 4 (I led the engineering team for Spar at the time).  201 was the original arm provided by Canada. The 300 series are what's called the "Follow-on production", funded by NASA.  202 represented a flight spare end effector from the origninal program (which is an interesting story in itself).

Jim
SRMS & MSS Engineer

Offline collectSPACE

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Re: Arm on standby for Discovery
« Reply #18 on: 06/28/2007 06:30 pm »
Quote
jamesm - 28/6/2007  7:02 AM

202 represented a flight spare end effector from the origninal program (which is an interesting story in itself).
So what is meant by CSA when they list 202 as the arm first used on STS-66, followed by STS-80, STS-88, STS-101, STS-106, STS-98, STS-104, STS-110, STS-112 and STS-115? Source: http://www.space.gc.ca/asc/eng/exploration/canadarm/flight.asp

Also, MDA identifies five arms on their website:

Quote
The first arm was Canada's contribution to NASA's Space Shuttle Program. Subsequently, NASA ordered four additional units which have resulted in over $900 million in export sales for Canada.

Offline ShuttleDiscovery

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Re: Arm on standby for Discovery
« Reply #19 on: 06/28/2007 06:45 pm »
Quote
gordo - 27/6/2007  11:53 PM

if you read through the manifest there have been 5 Canadarms. 201, 202, 301, 302 (destroyed on Challenger), and 303.

So which 3 canadarms are in use today? 202, 301 and 303?

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