Ahhh, right. I hadn't read the photo credits on those pics of the core planes. I see now that they are not the ones out of the assembled one you got to examine.

Ahhh, right. I hadn't read the photo credits on those pics of the core planes. I see now that they are not the ones out of the assembled one you got to examine... I hadn't worked out just how small everything was. Thanks for the response!