Max Thrust Riot / ArtTech Devil / Horizon Hobby Aire-Batix 4S Battery Bay Extension

This thing adds a hump to the original battery bay lid of the Max Thrust Riot, also known in some countries as the ArtTech Devil. This will allow the fitting of a 4S LiPo in the bay, with the safety of still having a bay lid. I have tested with a Turnigy NanoTech 2200mAh 4S, and it works a treat (see last photo). However, it would be worth adding some material to the front of the bay to stop the battery sliding forwards.

The new part is designed to clip on to the existing bay after you have c