
CG Range and Static Margin Question - Homebuilt Aircraft & Kit …
Dec 1, 2011 · In Raymer's "Simplified" book he states that Static Margin should be between 12% and 20% for a tractor configuration, and 3%-5% less than this for a pusher. I just want to be …
Problem with static margin and neutral point
Feb 26, 2019 · static margin should be around 10% MAC; According to my simulations, the NP for the complete aircraft is located approximately at 84% MAC (26% for wing alone or 93% for …
Help: Longitudinal stability and static margin | Homebuilt Aircraft ...
Feb 17, 2009 · Become a Premium Member today! Welcome aboard HomebuiltAirplanes.com, your destination for connecting with a thriving community of more than 10,000 active …
Static Margin too low (4.5%). What to do?
Jul 24, 2020 · Dearest Nutters. Am grinding through endless calculations, as one does, and unhappily discovered me Static Margin is too low. Only 4.5%. What are my options? I’m a …
Mark Drela on "Lift sharing vs. configuration at zero static margin ...
Sep 10, 2005 · For each area fraction, there is a corresponding lift sharing fraction between the front and rear surface, which is biased by the airfoil Cm and also by the static margin. Some …
Static Longitudinal Stability | Homebuilt Aircraft & Kit Plane Forum
Oct 27, 2009 · The method presented is to add up the dC_m/dC_L contributions of the wing, tail, and fuselage. This sum should be negative for stability, and the equation (5-32) can be …
Widening a fuselage radically alters the static margin?
Jan 3, 2008 · Hi, OK - I know the formula used to calculate the static margin includes the width of the fuselage as a term, and that according to the formula if you widen the fuse, you reduce the …
Problem with static margin and neutral point | Page 2 | Homebuilt ...
Apr 17, 2007 · Without fuselage the NP that you get from VLM agrees reasonably with the approximation. In fact if I adjust for tail height (decreases de/da) and the fact that you have an …
Hand Calc Static Margins vs. Viscous CFD
Oct 1, 2014 · Has anybody here compared a hand calculated static margin to a viscous CFD solution that has a fair amount of detail in the model (landing, gear exhaust pipes, some …
A flying wing without a change in static margin with payload
Jun 23, 2017 · I mentioned this in the current flying wing thread, but it appears that no one noticed. Or at least no one commented, so here it is in its own thread. I used to think that you …