Hello guys. Sorry for the delay, but also I been working in the VF-0S battroid. However, here is the update.
As I said before, the tube for opening the cockpit will be of aluminium. I cut it with my tube cutter:
I put nails to the thrusters for stronger fixing
I will make the Gnerl with the landing gear up, so I must to lower the compartment:
The cockpit border has ball details, but in the casting they lost detail. So I decided to use 2mm steel balls from http://www.mechaskunk.com/store.htm :