[NSRCA-discussion] Bowtie

[Vicente Bortone]

I think this will make it more clear.

[image: Inline image 1]
On Saturday, July 2, 2016, Phil Spelt via NSRCA-discussion <
nsrca-discussion at lists.nsrca.org> wrote:

> Yes, Stuart, my maneuvers all look much better in PaintShop or PowerPoint
> than they do in R/C airplane!
>
>
>
>
>
> *Phil Spelt, KCRC EmeritusAMA 1294, Scientific Leader MemberSPA L-18, Board MemberOliver
> Springs, TN  (865) 435-1476v  (865) 604-0541c*
>
> ------------------------------
>
> Yup try to draw it with radii.  Only if your corners are points (pretty
> tough on the plane) will the maneuver be square.
>
> I actually used Corel Draw where I could be sure all radii were equal to
> see how it should look.  Now if I could only fly it that way :)
>
> Stuart C.
>
> On 7/1/2016 1:49 PM, cahochhalter via NSRCA-discussion wrote:
>
> The radius locations of the bowtie create a rectangle.
>
> See attached drawings.
>
> Drawing courtesy of Mark Hunt
>
>
>
> Sent from my Verizon, Samsung Galaxy smartphone
>
>
> -------- Original message --------
> From: Verne Koester via NSRCA-discussion
> <nsrca-discussion at lists.nsrca.org>
> <javascript:_e(%7B%7D,'cvml','nsrca-discussion at lists.nsrca.org');>
> Date: 7/1/16 12:35 PM (GMT-06:00)
> To: NSRCA <nsrca-discussion at lists.nsrca.org>
> <javascript:_e(%7B%7D,'cvml','nsrca-discussion at lists.nsrca.org');>
> Subject: [NSRCA-discussion] Bowtie
>
> I just read the Judges Chair in the latest K-Factor regarding the Bow Tie
> in Masters. Their opinion is that the overall shape of the maneuver should
> form a rectangle rather than a square. I can’t see how that’s geometrically
> possible. The center portion of the maneuver has two opposing 45 degree
> lines. Assuming we want the baseline and top line height the same and we
> want the maneuver centered, the 45 degree lines mandate an overall square
> shape. The only way to make a rectangle out of it is to either fly an angle
> of less than 45 degrees through the center or add short straight lines
> before and after the 45’s going into the radiuses into the verticals. The
> illustration in the K-Factor showing how the Bow Tie should be shaped
> illustrates this because the center angle lines in their rectangle drawing
> are clearly less than 45 degrees. The Masters aresti shows the correct
> overall shape and it’s square.
>
>
>
> Verne Koester
>
>
> _______________________________________________
> NSRCA-discussion mailing listNSRCA-discussion at lists.nsrca.org <javascript:_e(%7B%7D,'cvml','NSRCA-discussion at lists.nsrca.org');>http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
>
>
>
> _______________________________________________
> NSRCA-discussion mailing list
> NSRCA-discussion at lists.nsrca.org
> <javascript:_e(%7B%7D,'cvml','NSRCA-discussion at lists.nsrca.org');>
> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
>
>

-- 
Vicente "Vince" Bortone
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.nsrca.org/pipermail/nsrca-discussion/attachments/20160705/d674966a/attachment.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: image.png
Type: image/png
Size: 20410 bytes
Desc: not available
URL: <http://lists.nsrca.org/pipermail/nsrca-discussion/attachments/20160705/d674966a/attachment.png>