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No problem at all. KNSU doesn't have to be heavier, but there are trade-offs. KNSU has higher density and lower ISP than APCP, so you can shoot for equivalent performance with a size/weight trade-off, or equivalent motor size or weight with a performance trade-off. Either way there is a compromise. APCP is the dominant propellant for a reason ;) Are there any retailers within driving distance that regularly stock AeroTech? If you can sweet-talk them into getting you RC reloads with their next order you might avoid the HAZMAT. |
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Yes that includes the hardware. NAR states the initial mass is 131g. AT state loaded motor weight as 126g. No idea why there's a 5g discrepancy. Maybe NAR included the igniter and nozzle cap while AT didn't? Who knows! |
I found this video on Sugar rocket motor manufacture this morning on Transterrestrial Musings...
http://www.transterrestrial.com/?p=67547 |
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I found this very interesting, but the nozzles seemed crumbly when he drilled them. I wonder how often these motors blow their nozzles out........... Joe |
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I was wondering that myself. |
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