Sentinel. The model is finished, I just have to catch up to the picture captions. 76. The transmission gear box parts 77. The base with its channel trimmed out and the Gear box 78 and 79. The swivel point for the cab is laminated, 80. A hole is drilled into the pivot point. 81. The cab is attached to the swivel pivot point. You can glue or leave it free to move the cabin around. More to come, stay tune.