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  Home > NASA Space Keyrings/Magnets > Refrigerator (Fridge) Magnets > Commemoratives and Anniversary Fridge Magnets >

First U.S Astronaut in Space - Alan Shepard 50th Anniversary Fridge Magnet #2  

First U.S Astronaut in Space - Alan Shepard 50th Anniversary Fridge Magnet #2


First U.S Astronaut in Space - Alan Shepard  50th Anniversary Fridge Magnet #2

Crew:

Alan B. Shepard, Jr 

The countdown was resumed at T-6 hours 30 minutes at 11:30pm EST on May 4, 1961. A built-in hold of 1 hour had been previously agreed upon at T-2 hours 20 minutes. This hold was to assure that spacecraft preparations had been completed before the astronaut was transported to the pad. The countdown proceeded with only minor delays until T-2 hours 20 minutes. At this time, final preparation of the spacecraft was conducted and the astronaut was apprised of the continuance of the countdown and transported to the Pad. The countdown was continued after the hold at T-2 hours 20 minutes and, except for some minor holds, the countdown continued until T-15 minutes. At this time it was determined that photographic coverage of the launch and flight could not be obtained because of low clouds near the launch area. Weather forecasters predicted that visibility would improve rapidly within 20 to 45 min. During this time, one of the 400hz power inverters to the launch vehicle had regulation problems. The count was recycled to the T-35 minute and holding mark and the count picked up 86 minutes later after the replacement of the inverter. 

Again at T-15 minutes it was necessary to hold the count again to make a final check of the real-time trajectory computer. The countdown then picked up and proceeded until liftoff at 9:34am EST on 5/5/1961. 

Landing: May 5, 1961. 75deg 53min longitude, 27deg 13.7min latitude in the Atlantic Ocean. 

Mission Highlights: Mission successful 

Freedom 7
Pad LC-5 ()
Redstone (5) 

Crew: Alan B. Shepard, Jr  

Milestones:  
4/18/61 - 1st Launch Simulation at pad 
5/05/61 - Launch 

Payload:Spacecraft No. 7, Launch Vehicle MR-7   

Mission Objective:  
The main scientific objective of project Mercury was to determine man's capabilities in a space environment and in those environments to which he will be subject upon going into and returning from space. A few of the basic flight problems included: The development of an automatic escape system, vehicle control during insertion, behavior of space systems, evaluation of pilots capabilities in space, in flight monitoring, retrofire and reentry maneuvers and landing and recovery. 

Orbit:

Altitude: 116.5 statute miles 
Orbits: 0 
Duration: 0 Days, 0 hours, 15 min, 28 seconds 
Distance: 303 statute miles 
Velocity: 5,134 mph 
Max Q: 580 psf 
Max G: 11

Crew:

Alan B. Shepard, Jr 

The countdown was resumed at T-6 hours 30 minutes at 11:30pm EST on May 4, 1961. A built-in hold of 1 hour had been previously agreed upon at T-2 hours 20 minutes. This hold was to assure that spacecraft preparations had been completed before the astronaut was transported to the pad. The countdown proceeded with only minor delays until T-2 hours 20 minutes. At this time, final preparation of the spacecraft was conducted and the astronaut was apprised of the continuance of the countdown and transported to the Pad. The countdown was continued after the hold at T-2 hours 20 minutes and, except for some minor holds, the countdown continued until T-15 minutes. At this time it was determined that photographic coverage of the launch and flight could not be obtained because of low clouds near the launch area. Weather forecasters predicted that visibility would improve rapidly within 20 to 45 min. During this time, one of the 400hz power inverters to the launch vehicle had regulation problems. The count was recycled to the T-35 minute and holding mark and the count picked up 86 minutes later after the replacement of the inverter. 

Again at T-15 minutes it was necessary to hold the count again to make a final check of the real-time trajectory computer. The countdown then picked up and proceeded until liftoff at 9:34am EST on 5/5/1961. 

Landing: May 5, 1961. 75deg 53min longitude, 27deg 13.7min latitude in the Atlantic Ocean. 

Mission Highlights: Mission successful 

Launch:
May 5, 1961 9:34am EST    The formal countdown for the preparation for launching MR-3 started on the day previous to launch day. The countdown was actually split into two parts because previous experience had shown that it was preferable to run the countdown in two shorter segments and allow the launch crew of both the spacecraft and the launch vehicle to obtain some rest before starting the final preparation. The countdown started at 8:30am EST on May 4, 1961. All operations proceeded normally and were completed ahead of schedule. A build-in hold of approximately 15 hours was called at T-6 hours 30 minutes.
The countdown was resumed at T-6 hours 30 minutes at 11:30pm EST on May 4, 1961. A built-in hold of 1 hour had been previously agreed upon at T-2 hours 20 minutes. This hold was to assure that spacecraft preparations had been completed before the astronaut was transported to the pad. The countdown proceeded with only minor delays until T-2 hours 20 minutes. At this time, final preparation of the spacecraft was conducted and the astronaut was apprised of the continuance of the countdown and transported to the Pad. The countdown was continued after the hold at T-2 hours 20 minutes and, except for some minor holds, the countdown continued until T-15 minutes. At this time it was determined that photographic coverage of the launch and flight could not be obtained because of low clouds near the launch area. Weather forecasters predicted that visibility would improve rapidly within 20 to 45 min. During this time, one of the 400hz power inverters to the launch vehicle had regulation problems. The count was recycled to the T-35 minute and holding mark and the count picked up 86 minutes later after the replacement of the inverter. 

Again at T-15 minutes it was necessary to hold the count again to make a final check of the real-time trajectory computer. The countdown then picked up and proceeded until liftoff at 9:34am EST on 5/5/1961. 

Landing:May 5, 1961. 75deg 53min longitude, 27deg 13.7min latitude in the Atlantic Ocean. 

Mission Highlights: Mission successful 


Our Price: £1.99




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