I fabricated my control panel from a spare section of sheeet aluminum salvaged from my brothers Sand Rail project. Notice the spiffy black "trim" around the edges - I used a small length of drip-irrigation hose.
Note that the Rotax 447 does not have an "ignition" wire - it has a "kill" wire. I had to mount my switch upside down so I would not be confused. ;)
I have mounted my fuel pump and terminal board on this flexible strip of plastic. The flex should dampen some of the vibration from the engine. You can see more of my fuel system setup.
Running an inverted engine increases the risk of a spark-plug wire vibrating off. To address this problem I cut small tangs from sheet-metal and use zip-ties to secure my spark-plug wires.
This is my Air Speed Indicator. No laughing! It attaches to my right front wing strut tube.
Weedhoppers are 2-axis birds - Rudder and Elevator only (no alierons). So, this stick is all I need to maneuver through the air. The red button is my "push to talk" radio button. I made it from $3 in spare parts (I have seen push-to-talk buttons priced over $60 in catalogs) - Here are Instructions