Craig,
I look forward to meaningful responses to the questions you raise.
FWIW, I've maintained a flap gap of .150 inches w/ 2 tongue depressor
sticks taped together; when I remove them, the angle of the flap (when
fully retracted) changes by 1.2 degrees.
Fred
On Wednesday, May 21, 2008, at 00:50 US/Pacific, craig bastin wrote:
> <craigb@onthenet.com.au>
>
> For those of you that have set up to run negative flap for cruise
> flight i
> have a couple of questions
> firstly did you allow for this in the initial set up of your flaps on
> the
> wings, or was this just done
> by moving the actuator slightly and taking up the small gap you are
> supposed
> to leave during the build.
> secondly how much does this close the original gap up at say minus 2
> degrees, and how much difference
> did it make to cruise performance.
>
> Why i ask is I was wondering if the extra performance being seen is
> just
> simply the effect of sealing
> the gap behind the flaps when they hit the back of the wing at say
> minus 2,
> which some of you good
> people are experimenting with now, and do i bother investing the time
> in
> trying to find good way to seal
> the flaps when I will get the same result with negative flap
>
> craig
>
>
> Checked by AVG.
> 4:45 PM
>
>
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