Apollo 15 Lunar Surface Journal


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Apollo 15 Rusted Boyd Bolt

Copyright © 2007 by Eric M. Jones and Ulrich Lotzmann.
All rights reserved.
Last revised 25 July 2007.
Chris and the Rusted Boyd Bolt

Christian Lotzmann holds the Rusted Boyd Bolt.


124:38:45 Scott: I've got a Boyd bolt problem. (Pause)

[Dave lifts the heat flow package with his UHT and moves it a short-distance toward the Central Station.]
124:39:08 Scott: (Still having Boyd bolt troubles) (Dad)gummit. (Long Pause)
[Scott - "When I got back to the office after the mission, I found a thing on my desk that was a block of wood about (holding his thumb and forefinger about 4 cm apart) so thick and, on one side was a Boyd bolt - where you put the UHT - and on the other side was a great big hexagonal nut...rusted! It's really cute."]
124:41:00 Allen: Dave, did the bolt come free?

124:41:05 Scott: Yeah, I got it.


Side View

Side View with the Boyd Bolt sleeve on the left and the rusted bolt on the left. The sleeve has a diameter of about 0.75 inches (19 mm) and a height of about 1.5 inches (38 mm).


Oblique View

Oblique View.


Sleeve and hex socket

This is a good view of the hexagonal socket at the bottom of the sleeve. A detail shows the interior of the bolt at higher resolution.


Vertical view

On-axis view into the sleeve. A detail shows the interior of the bolt at higher resolution.


Vertical close-up

Close-up, on-axis view into the sleeve.


Ed Mitchell signs the momento

Ulli writes, "I had purchased the Boyd bolt a couple of weeks before our trip to the US in 2006. So I asked the auction house to send it directly to Ernie Reyes, where I finally picked it up. Days later, we visited Ed Mitchell and I thought it would be nice to have it signed by someone who had actually used Boyd bolts on the Moon."


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