FAR Site has multiple static firing test stands. These stands are: Large Horizontal, Medium Horizontal, Large I-Beam, Medium I-Beam, Small I-Beam, Medium Inverted, and Small Inverted.
Small Inverted: 6-1/8" ID, 20-7/8" Tall, 15-1/8" Tube Length
Large Inverted: 10-1/4" ID, 52-3/4" Tall, 19-1/4" Tube Length
Small I-Beam
Medium I-Beam
Large I-Beam with
Medium Horizontal 1 -- 40" Long, 5-1/4" Wide, 35" Height
Extra Large I-Beam
Large Horizontal:
108" Long, 26" Wide, 47" Height
Large Vertical