AT Weight Question

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Lowpuller

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Help please?

From ATs website

J350W propellant weight 375g
Hardware RMS 38/720 weight 212.3g
Loaded Motor 665g



What am I missing 375+212.3= 587.3g

What makes up the 77.7g difference
 

mikec

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What makes up the 77.7g difference
All the stuff in the reload that's not propellant. Liner, nozzle, etc. Possibly the delay element depending on how that's counted.
 
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