A Saturn V detail I never knew about
 

I was reading "Stages to Saturn" a while ago and came across something I never heard about before to help reduce transient stresses caused by too much acceleration once the hold down clamps were released. Pretty amazing bit of engineering. More details in this thread I found:

http://www.collectspace.com/ubb/Foru...ML/001327.html

http://forum.nasaspaceflight.com/ind...ch=64966;image

So if I understand this right, at about the 1:33 point of the below video when the hold-down arms start to move, the pins attached to them are being pulled through dies.

Oops!. Looking at it wrong. The moving arms are just parts of the service masts. The one hold down arm is to the left and it looks like you can see one pin around the 1:58 mark.
https://www.youtube.com/watch?v=_HcnmthntUo

You might get a kick out of this: http://www.thingiverse.com/thing:911891

10 ft high Saturn V 3d printed model.

http://i.imgur.com/4lORJvA.jpg A memorable xmas present from years back; there was even a tiny Lunar Excursion Module inside.

I built the old Revell 1/96 model back in 1970. It was pretty impressive at the time, though larger models are available now.

Thanks! Pretty amazing technology. Makes you wonder how more advanced it will be 5, 10 or 20 years from now.

Here's a site for anybody with too much money and into semi scratch-building Apollo hardware. They are even making 3D parts for 1/6th scale Lunar modules's and Lunar rovers:
http://www.shapeways.com/shops/space...e+-+H+missions