Apollo 11 Space Mission Gloves A7-L: Materials, Dimensions, and Lunar Dust Effects

The Apollo 11 Space Mission Gloves A7-L are a significant part of space exploration history. Neil Armstrong and Buzz Aldrin wore these gloves during the first moon landing in 1969. In this article, we will provide you with factual information about the materials used to create the gloves, their dimensions, and the effects of lunar dust on Neil Armstrong’s gloves. Join us as we delve into the details of these iconic gloves that played a crucial role in one of the most significant achievements in human history.

I. Introduction

In the history of space exploration, the Apollo 11 space mission marked a significant milestone for humankind. The mission took place on July 16th, 1969, and lasted for eight days. The mission’s objective was to land two astronauts on the moon, Neil Armstrong and Edwin “Buzz” Aldrin. The spacesuits and gloves that the astronauts wore during the mission played a vital role in the success of the mission.

The gloves worn by Armstrong and Aldrin, the A7-L, were designed to protect the astronauts from the harsh lunar environment. They were created to withstand extreme temperatures, pressure changes, and exposure to radiation. In this article, we will explore the design, materials, and dimensions of the A7-L gloves, as well as the unique features that make them suitable for the mission.

II. Buzz Aldrin Apollo 11 Gloves

Palm of Buzz Aldrin's A7L Space Suit Glove from the Apollo 11 Mission.
Palm of Buzz Aldrin’s A7L Space Suit Glove from the Apollo 11 Mission.

A. Manufacturer

The Extra-Vehicular (EV) gloves were manufactured by ILC Industries Inc., a company that specializes in creating protective equipment for the military and space industries.

B. Materials

The interior of the gloves was made from a rubber/neoprene compound that provided thermal insulation and flexibility. The gloves’ outer layer was made from Beta cloth, a fire-resistant material that provided a protective barrier against micrometeoroids and other debris. The gloves also had an aluminum and steel thermal lining to protect against extreme temperatures.

The gloves were designed to fit snugly around the hand, with Velcro straps to secure them in place. The fingers and thumbs had a textured surface to improve grip, and the gloves were equipped with pressure equalization vents to prevent the gloves from ballooning in the vacuum of space.

C. Dimensions

The A7-L gloves were three-dimensional and measured 30.5 x 12.1 x 14cm (12 x 4 3/4 x 5 1/2 in).

III. Neil Armstrong Apollo 11 Gloves

This Extra-Vehicular (EV) glove was specially designed for and worn by astronaut Neil Armstrong, the Commander of the historic Apollo 11 mission in July 1969.
This Extra-Vehicular (EV) glove was specially designed for and worn by astronaut Neil Armstrong, the Commander of the historic Apollo 11 mission in July 1969.

A. Materials

Like Aldrin’s gloves, Armstrong’s gloves were made with an outer layer of Beta cloth and a thermal lining made of rubber/neoprene. However, Armstrong’s gloves had a nylon interior lining that provided additional insulation.

The gloves had an anodized aluminum wrist disconnect, which allowed the astronauts to remove their gloves quickly in case of an emergency. The gloves also had a pressure relief valve, which allowed air to escape from the gloves when the astronauts made a fist.

B. Dimensions

The A7-L gloves worn by Neil Armstrong measured 31.8 x 16.5 x 14cm (12 1/2 x 6 1/2 x 5 1/2 in).

IV. Gray Spots on Neil Armstrong’s Apollo 11 Moon Landing Glove

A. Cause of the spots

After Armstrong returned to Earth, scientists noticed gray spots on his gloves that were not present before the mission. It was later determined that the spots were caused by lunar dust that had become trapped between the Beta cloth and coating on the gloves.

The lunar dust was abrasive and angular and contained iron, calcium, and other elements. The consistency of the dust was glass-like and felt soft like snow, yet strangely abrasive. NASA described it as being really sharp due to the lack of atmosphere on the moon.

B. Effects of Lunar Dust

The lunar dust caused abrasions on the gloves and spacesuit, but it did not penetrate the suits or gloves themselves. The abrasive nature of the lunar dust is one of the challenges that future lunar missions will need to address.

C. Similar spotting on Armstrong’s spacesuit

In addition to the gray spots on Armstrong’s gloves, scientists also noticed similar spotting on his spacesuit. The lunar dust had also become trapped between the layers of the spacesuit, causing abrasions and scratches.

D. The Lunar Dust Did Not Penetrate the Suit or Glove Itself

Despite the abrasive nature of the lunar dust, it did not penetrate the suits or gloves themselves. This was a testament to the durability and strength of the A7-L gloves and spacesuits. The gloves and suits were designed to withstand the extreme conditions of the lunar environment, and they did just that.

Neil Armstring's Left Glove with Sewn-On Cuff - Checklist.
Neil Armstring’s Left Glove with Sewn-On Cuff – Checklist.

V. Conclusion

The Apollo 11 mission was a groundbreaking achievement in the history of space exploration, and the A7-L gloves worn by Armstrong and Aldrin played a vital role in the mission’s success. These gloves were designed to withstand the harsh conditions of the lunar environment and protect the astronauts from extreme temperatures, pressure changes, and radiation.

The gloves were made from a variety of materials, including Beta cloth, rubber/neoprene compound, aluminum, and steel. They were designed to fit snugly around the hand and had pressure equalization vents to prevent ballooning in the vacuum of space. The gloves also had an anodized aluminum wrist disconnect that allowed for quick removal in case of an emergency.

The gray spots on Armstrong’s gloves and spacesuit caused by the lunar dust were a reminder of the challenges that future lunar missions will face. However, the fact that the lunar dust did not penetrate the gloves or suits themselves is a testament to their strength and durability.

The A7-L gloves worn by Armstrong and Aldrin are an important part of the history of space exploration. They represent the ingenuity and innovation of the engineers and scientists who designed them and the bravery and determination of the astronauts who wore them. As we continue to explore space and push the boundaries of what is possible, we can look back on the Apollo 11 mission and the A7-L gloves with pride and admiration.

To learn more about the Apollo 11 mission and the surprising facts about the moon landing, check out our article “5 Surprising Facts About the Apollo 11 Moon Landing You Didn’t Know“.

FAQ

What materials were used to make the A7-L gloves?

The A7-L gloves were made from a variety of materials, including rubber/neoprene compound, aluminum, steel, Beta cloth, Chromel-R, Velcro, and rubber-silicone compound.

Who manufactured the A7-L gloves?

ILC Industries Inc made the A7-L gloves.

Why did Neil Armstrong’s Apollo 11 glove have gray spots on it?

The gray spots on Armstrong’s glove were caused by lunar dust that had become trapped between the layers of the glove. The consistency of lunar dust is glass-like and abrasive, which caused the spots.

Did the lunar dust penetrate the A7-L gloves or spacesuits?

No, despite the abrasive nature of lunar dust, it did not penetrate the gloves or spacesuits themselves. The A7-L gloves and spacesuits were designed to withstand the extreme conditions of the lunar environment.

What were the dimensions of the A7-L gloves?

The dimensions of the A7-L gloves varied slightly between Armstrong’s and Aldrin’s gloves. Armstrong’s gloves were 3-D: 31.8 x 16.5 x 14cm (12 1/2 x 6 1/2 x 5 1/2 in), while Aldrin’s gloves were 3-D: 30.5 x 12.1 x 14cm (12 x 4 3/4 x 5 1/2 in).

How did the A7-L gloves influence future space missions?

The A7-L gloves were a significant advancement in space technology and influenced future space missions by setting a new standard for the design and construction of spacesuit gloves. The lessons learned from the development and use of the A7-L gloves helped to improve the durability, dexterity, and comfort of gloves used in subsequent space missions. Additionally, the A7-L gloves were an important contribution to the overall success of the Apollo program and paved the way for future exploration and discovery in space.

To learn more about the first landing on the moon, check out our article, First Apollo Mission to Land on the Moon: A Historic Milestone.

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