The Specifications and Stats for Concorde Model 102 can be found here.

There are 3 photo albums to look at: One with the pictures and info about the exterior of the aircraft, one with pictures of the engines and the final one has pictures of the landing gear.

Exterior Airframe and Fixings	Landing Gear
Engine Exteriors

An Interior and Cockpit section is planned and hopefully will be added shortly within the next few months.