Thermal Sheild

Thermal shield for temperature sensor hanging from the payload box of speedball 1 http://whitestarballoon.com/

the sensor board is ~ 40mm tall http://wiki.whitestarballoon.com/doku.php?id=hardware:externalsensor:v1

printed white/natural ABS plastic, the plastic is tested in the cryo chamber to -55C for several hours then smacked with a hammer for durability testing at jet stream temperatures.