J tube rocket oven convertible - PEM BB woodheat.straw.ovenconvertible

This is a badge bit (BB) that is part of the PEM curriculum.  Completing this BB is part of getting the Straw badge in Wood Heat.

Rocket technology allows us to heat things very fast with wood.  The best thing ever is a rocket oven that has multiple uses.  Let's build one!

 
 

Here's a quick cross sectional video of the innards of a rocket oven:


Minimum requirements:
  - Build a j tube rocket oven using your rocket engine core (or from scratch)
  - Rocket engine can be conveniently disengaged to perform other cooking tasks
  - Some options could include:
        - Portable rocket engine
        - Cooktop
        - Lorena
        - Grill
  - The oven portion is a "white" oven where the smoke doesn't mingle with the food
  - Large enough to fit a standard cookie sheet pan
  - Able to achieve 500F

Provide proof of the following as pictures or video (<2 min):
  - The oven parts you're starting with
  - Several points during construction
  - Finished rocket oven
  - Fire going and proof it can achieve 500F
  - Show how the engine is disengaged
  - Show disengaged engine performing another task