Stu:
Thank you for the feedback! I appreciate it.
Yes, the cockpit...I feel it is just a little too close to the mandible - maybe as much as a 1/4" - perhaps more. The Wankel will be the key measure, so long as I place it correctly along the length of the mandible wall. I will be laying out the AMT truck, Panther G, Bandai 8 ton and Sealab parts to check the overall mandible length and then see how the Wankel sits and then check the overall cockpit placement. Always a good idea to return to the donor kit parts as a double check!
As for the large rear underside landing gear box ends - this is an area I'm not too clear on. I have very little photo reference that corroborates completely and I was throwing a few "Hail Marys" so to speak. Any additional data would be much appreciated and I'll update the prints and post them when ready (look for a PM).
With respect to the turret window outer rim diameter, I get 4.50 inches.
As for the upper/lower jaw box angled length, I'll have that to you soon, as well.
Thanks again!
Regards,
Andre