This result can also be obtained from Eq. 11-11 or 11-14. The ratio is given by

The loaded gross weight of the rocket motor (not the vehicle) can only be estimated after a detailed design has been made. However, an approximate guess can be made by choosing a total impulse to weight ratio of perhaps 143.

Beause the propellants account for 109 lbf, the hardware parts can be estimated as 14 0- 109 = 31 lbf.

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Project Management Made Easy

Project Management Made Easy

What you need to know about… Project Management Made Easy! Project management consists of more than just a large building project and can encompass small projects as well. No matter what the size of your project, you need to have some sort of project management. How you manage your project has everything to do with its outcome.

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