Re: Elevator effects
Posted: Mon Jul 13, 2020 10:42 pm
To be completely honest these discussions are very educational for me; it helps me rethink my assumption while building my kite.
Best,
Best,
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bomber wrote:Well it's a bit complicated... yet if I was to query just one thing....Code: Select all
LIFT INCREMENT DUE TO MACH...
There doesn't seem to be any drop off at mach 1..... maybe it's the type of airfoil, I'm not too familiar with these fast jets, so I'm not saying it's wrong just that I'm not used to seeing this shape of curve.
IAHM-COL wrote:To be completely honest these discussions are very educational for me; it helps me rethink my assumption while building my kite.
Best,
bomber wrote:I'd also like to say 'Hats off to you' Richard for your FDM supporting documentation... The presentation of this to FDM detractors is exactly the responce I'm calling for when dealing with Helijah's JSBsim opinions.
That said, I'd like to see a bit more detail on how you get to your inertia values.
Regards
Code: Select all
Section Mass cgX cgY cgZ Ixx Iyy Izz Ixy Ixz Iyz Volume
==================================================================================================
HTail 19.7 13.52 1.12 0.08 3.9 4 8 3 0 -1 0.20
HTail 19.7 13.52 -1.12 0.08 4.0 4 8 -3 0 1 0.20
Wings 75.3 8.65 1.59 0.36 53.1 61 113 34 -2 -4 0.63
Wings 75.4 8.65 -1.59 0.36 53.2 61 113 -34 -2 4 0.63
VTail 59.1 13.41 0.00 1.19 15.5 41 26 0 13 0 0.59
Fuselage 7308.4 7.81 0.00 -0.04 2120.1 69378 69378 0 1561 12 18.27
==================================================================================================
Totals 7558 7.90 0.00 -0.03 2793 72855 73271 0 2044 12 20.51