From the pulsejet engine designer and builder Robert Maddox. Now this is some cool stuff from eBay. Is it safe? Don't ask me

 Data:

• THRUST-50-60 POUNDS
• WEIGHT 13LBS
• REED VALVE ARGUS STYLE
• REED VALVES .008 BLUE SPRING
• VALVE CAGE 60-61-T6 ALUMINUM
• PIPE 304 STAINLESS STEEL

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