[PSUBS-MAILIST] How to calculate mass properties

["Jens Laland" <laland@artematrix.org>]

Hi guys.

Wouldn't this be something for us?

http://www.space-electronics.com/Literature/2001%20How%20to%20calculate%20mass%20properties%20web%20page.pdf

"How to Calculate Mass Properties (An Engineer's Practical Guide)" by
Richard Boynton & Kurt Wiener.

[Quoted from the paper's abstract]:

There are numerous text books on dynamics which devote a few pages to the
calculation of mass properties. However, these text books quickly jump
from a very brief description of these quantities to some general
mathematical formulas without giving adequate examples or explaining in
enough detail how to use these formulas. The purpose of this paper is to
provide a detailed procedure for the calculation of mass properties for an
engineer who is inexperienced in these calculations. Hopefully this paper
will also provide a convenient reference for those who are already
familiar with this subject.

This paper contains a number of specific examples with emphasis on units
of measurement. The examples used are rockets and re-entry vehicles. The
paper then describes the techniques for combining the mass properties of
sub-assemblies to yield the composite mass properties of the total
vehicle. Errors due to misalignment of the stages of a rocket are
evaluated numerically. Methods for calculating mass property corrections
are also explained.

regards,
Jens









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