Upper Atmospheric Testing Lab
by Arnold Roquerre

An Upper Atmospheric Testing Lab is relatively inexpensive to build - less than $800.

Equipment and Material for large PVC testing chamber:
 

Material and dimensions of main chamber are:

•    Chamber material:  6" schedule 40 PVC pipe.
•     One 6" tee.
•    One 6" threaded coupling.
•    One 6" threaded male adapter.
•    Two threaded end caps.
•    Height of apparatus:  47".
•    I.D. 6".
•    Inside volume of tee fitting and pipe: 2276 cubic inches.
•    Two openings are at the top of pipe and on one end of T fitting.
   

Face mask for protection - a must!
 

 
Precision Pump Model D25 - On loan from Dr. Helmut K. W. Kallwass (many thanks).
 

Weiss Low Pressure Gauge.
 

 
A 500 cubic inch Carbon Lucite Bell Jar is great for small tests.

Other Materials Needed:

• Testing Device: 40 PVC 4" end cap with a Schedule 20 4" coupler inserted into the end cap. A 4.25" bulkhead attached to the inside of the end cap with epoxy and 5" of Kevlar tubing on the inside and 12" on the outside. The dimensions of the explosive chamber is 4.5" x 3". The volume of the explosive chamber is 48 cubic inches.