rtfm
Well-Known Member
Hi,
I know that none of us on this forum are freewing experts, and so I'm not expecting difinitive answers to this one...
Question:
Would a low wing freewing configuration be possible?
I alternate between thinking that the airframe is oblivious to where the lifting force is coming from - much like the airframe is oblivious whether it is being pushed or pulled along. The propulsion acts along a vector, and it is immaterial at which physical point along the airframe that force is applied. And so the airframe is heedless of whether it is being held up from below or from above.
And then when next I consider the question, it seems to me that it makes a great deal of difference, because in a high wing configuration, the aircraft is suspended from the wing, and so naturally assumes a position below it. If the wing is below the airframe, its natural tendency would be to invert itself so that the CG is below the wing...
But the airframe is kept S&L by the fact that the CG is up front, and the H-stab is at the back exerting both a damping and aerodynamic force on the fuse. It can't help but fly S&L, irrespective of where the wing is...
See what I mean? I keep going in circles...
What do you think?
Duncan
I know that none of us on this forum are freewing experts, and so I'm not expecting difinitive answers to this one...
Question:
Would a low wing freewing configuration be possible?
I alternate between thinking that the airframe is oblivious to where the lifting force is coming from - much like the airframe is oblivious whether it is being pushed or pulled along. The propulsion acts along a vector, and it is immaterial at which physical point along the airframe that force is applied. And so the airframe is heedless of whether it is being held up from below or from above.
And then when next I consider the question, it seems to me that it makes a great deal of difference, because in a high wing configuration, the aircraft is suspended from the wing, and so naturally assumes a position below it. If the wing is below the airframe, its natural tendency would be to invert itself so that the CG is below the wing...
But the airframe is kept S&L by the fact that the CG is up front, and the H-stab is at the back exerting both a damping and aerodynamic force on the fuse. It can't help but fly S&L, irrespective of where the wing is...
See what I mean? I keep going in circles...
What do you think?
Duncan
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