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

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James Crawford
Verified Owner
Friday, Feb 21 2014 (about 2 years ago)
Estes G40-7W Pro Series II Rocket Engine
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!!!