|December 1, 2011, 15:54||
Join Date: Nov 2011
Posts: 33Rep Power: 7
ok i see where you're going. for those that might be following, here's where blackjack is pointing me (i think)
Mz,cp = Mz,o + (o-cp)xFo
= 17 + (0-0.28,0-0.016)x(-3.48,60.65)
blackjack, how were you able to get yours down to 1 microNm?
would you expect the results of Cp to be the same if the moment was measured from another location?
|December 5, 2011, 22:23||
Join Date: May 2011
Posts: 21Rep Power: 7
rounding-off x by .001 changes the moment by 0.060 Nm.
32-bit precision works for me.
If I stand just right on the bathroom scale, I can have dessert. Likewise, if the forces are measured at a different location, they won't be the same. Hence the CP location will change.
I also envision someone constraining y=0 for an airfoil near zero lift. GIGO.
The less tolerance you have for slop, the less sloppy you can be. It's late. G'day.
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