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  Russell Larson gave 'go' on Apollo 11 alarms

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Author Topic:   Russell Larson gave 'go' on Apollo 11 alarms
Robert Pearlman
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posted 08-05-2009 07:02 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
Boston Globe: Russell A. Larson; engineer had role in Apollo 11 project
Two Apollo 11 astronauts were about to become the first people to land on the moon when a red light flashed in Houston's mission control center, warning that something was amiss in their onboard guidance computer.

Engineers and scientists present at that moment 40 years ago this week quickly assessed the danger as they decided whether to scrap the landing. One man said go, and Russell A. Larson of MIT's Instrumentation Laboratory memorably flashed a thumbs-up, saying afterward that he was too nervous to voice his approval. Minutes later, the astronauts landed and stepped from the landing module into history.

"Russ was one of the people who made the decision that the alarm was not that important and we could continue," said Norman Sears, a group leader on the first Apollo lunar landing who was at mission control as the scene unfolded.

A "vintage-type engineer" who Sears recalled as someone who "loved a challenge of any kind," Mr. Larson had from childhood shown an aptitude for achieving things that seemed mechanically unachievable. He died Tuesday, [July 21], the day after the 40th anniversary of the Apollo 11 touchdown on the moon, at Kaplan Family Hospice House in Danvers. Mr. Larson was 77 and had lived for many years in Boxford.

Delta7
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posted 08-05-2009 07:58 PM     Click Here to See the Profile for Delta7   Click Here to Email Delta7     Edit/Delete Message   Reply w/Quote
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GACspaceguy
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Henk Boshuijer
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ejectr
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historyinminiature
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kr4mula
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AstroAutos
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posted 08-06-2009 03:31 PM     Click Here to See the Profile for AstroAutos   Click Here to Email AstroAutos     Edit/Delete Message   Reply w/Quote
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tegwilym
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posted 08-06-2009 04:44 PM     Click Here to See the Profile for tegwilym   Click Here to Email tegwilym     Edit/Delete Message   Reply w/Quote
Larson - flashed a thumbs-up
Duke - "1201 alarm. We're Go. Same type. We're Go."

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randy
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posted 08-07-2009 10:10 AM     Click Here to See the Profile for randy   Click Here to Email randy     Edit/Delete Message   Reply w/Quote
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dss65
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bruce
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moorouge
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posted 08-13-2009 01:37 PM     Click Here to See the Profile for moorouge   Click Here to Email moorouge     Edit/Delete Message   Reply w/Quote
My understanding is that the man who gave the 'go' for the Apollo 11 landing was Jack Garman. It was he who passed the all-clear on the 1202 alarms to Steve Bales. Jack had a list of possible alarms written out on a crib sheet and placed under a sheet of perspex on his desk.

A photo of this crib sheet may be found on p110 the Haynes Apollo 11 workshop manual (ISBN 978 1 84425 683 9).

spaceman1953
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From: South Bend, IN
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posted 08-13-2009 03:57 PM     Click Here to See the Profile for spaceman1953   Click Here to Email spaceman1953     Edit/Delete Message   Reply w/Quote
Steve Bales got the credit on (I think) NBC during the Apollo 11 40th anniversary week.

The network gave him a good, long (for these days) interview and even told about what he was doing nowadays.

But he surely knew there was a whole "back room" full of people all around the world who knew what to do in every instance.

.

Gene Bella

Sy Liebergot
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posted 08-13-2009 06:45 PM     Click Here to See the Profile for Sy Liebergot   Click Here to Email Sy Liebergot     Edit/Delete Message   Reply w/Quote
Yes, it was Jack Garman's call.
Sy

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