G40-7W Pro Series II Rocket Engine by Estes

Estes
EST9776
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Frederick

Frederick, MD

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This product was added to our catalog on May 11, 2012.

This is the Estes G40-7W Pro Series II Model Rocket Engine. This single Pro Series II Rocket Engine is one of Estes biggest rocket engines. Designed to pack a big punch, this powerful engine is used to send an Estes Pro Series II Rocket flying high into the sky.

Specifications:
Engine Type:
G40-7W
Total Impulse (N-sec):
97.14
Time Delay (Sec):
7
Maximum Lift Wt. (Oz/g):
24/680
Maximum Thrust (Lbs):
11
Initial Weight (Oz/g): 4.4/125
James Crawford
Verified Owner
Friday, Feb 21 2014 (about 3 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!!!)