Estes G40-7W Pro Series II Rocket Engine
[EST9776]

Average rating: 3 of 5 Stars!

Estes G40-7W Pro Series II Rocket Engine
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James Crawford - Rating: 3 of 5 Stars! Verified Owner Friday, February 21, 2014
This site lists the total impulse of the Estes G40-7W as being 160. newton-seconds...Estes product literature (package insert) lists it as only being 97.14 newton-seconds total impulse. One of these specifications is TOTALLY misleading and deserves immediate revision!!!
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