REFLECTOR: Aerobatics: Rolling about a point

[John Dibble]

When I took a demo ride at the factory several years ago, a few rolls
were performed with relative ease, beginning with pitching up.  At the
time I expected that I would be doing rolls myself, but so far I have
gotten sufficient enjoyment in just keeping my head on the blue side.

John

Terrence Miles wrote:

>  Hey.  Thanks Alex.  I understand that explanation better.  I know I
> have lots to learn about carnards.  I am filing your reply in my "ops"
> box, but could do me this last favor? Let me say it all back to you.
> Let's just say that I am in level, unaccelerated flight at 185 kts and
> 5000 feet.  Let's also say to hold all this constant, I need +2 pitch
> on my attitude indicator. If I leave the power alone, then raise the
> deck angle to +10, neutralize the elevator, and than apply full left
> aileron, then you are saying that the carnard will continue to pull me
> "upwards" (that is 90 degrees from a line defined from cannard
> wing-tip to wing-tip.)  ...so the to watch me from an in-trail
> position I am sort of cork screwing thru the air?If I understood you
> right, can't this carnard factor be countered with a tad of down
> elevator (and not zero G) so as to keep the nose on a near constant
> spot on the horizon, and maybe roll-out back wings level at something
> near my entry pitch angle of +2 with little altitude
> change?Regards,Terry
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