[NSRCA-discussion] Snaps

[Patrick Harris]

Here are some interesting full sized snaps:

https://www.youtube.com/watch?v=6ETc1mNNQg8

https://www.youtube.com/watch?v=ruQgFocNJh0

https://www.youtube.com/watch?v=J7LDaSq6E30




On Mon, Sep 8, 2014 at 8:47 AM, James Hiller via NSRCA-discussion <
nsrca-discussion at lists.nsrca.org> wrote:

> We accommodate / adapt to rules in many ways. Interesting review of full
> scale. Wings make a difference. I got a lot happier as I transitioned from
> a 2:1, 12% wing to a 2 1/2 :1, 14%.
>
> Jim
>
>
>
> *From:* NSRCA-discussion [mailto:nsrca-discussion-bounces at lists.nsrca.org]
> *On Behalf Of *John Ford via NSRCA-discussion
> *Sent:* Monday, September 08, 2014 4:58 AM
> *To:* w d; General pattern discussion
> *Subject:* Re: [NSRCA-discussion] Snaps
>
>
>
> Hard to believe no discussion on a snap thread…that's a first.
>
>
>
> I watched the French Connection video with interest since they were very
> much at the top of the airshow list at around the time I was into
> full-scale aerobatics.
>
> We always figured that FC was able to pull off the "snap-on-the-deck"
> stunt because of the CAP-10's airfoil, which was closer to a glider airfoil
> than to an acro airfoil. Hence the deep wallow before the autorotation that
> results in the displacement of the flight path…to their advantage in this
> case. They used to do the two-plane formation snap on take-off, which
> always impressed me to no end.
>
> If you watch Patty Wagstaff do a snap, with a thin, fully-symetrical
> airfoil and added full-span stall strips, her snaps become virtually
> identical to the FAI "twinkle snap". A Pitts S-1 is somewhere in between.
> The Citabria, needing full "con" ailerons, will pause for a split second,
> then autorotate in a flash with surprisingly little displacement. So 10
> different planes will all autorotate differently, some imperceptibly.
> Accordingly, many full-scale pilots snap with ailerons "pro" instead or
> with the traditional ailerons "con". Heck, most full-scale competitors get
> 10's on spins and they are literally flying/slipping the plane down the
> spin…never having stalled at all.
>
>
>
> So for pattern, if it slows down for a micro-second, and the tail
> describes a cone, I call it good, even though I still can't do it that well
> myself...
>
>
>
> John
>
>
>
> On Sep 7, 2014, at 1:25 PM, w d via NSRCA-discussion <
> nsrca-discussion at lists.nsrca.org> wrote:
>
>
>
> well since masters is know taking on traditional FAI maneuvers" rollers
> and such".. the twinkle snap will become the standard in AMA ...I will be
> doing one in the upline snap from now on...
>
> gary
>
>
>
> On Sun, Sep 7, 2014 at 9:38 AM, Chuck Hochhalter via NSRCA-discussion <
> nsrca-discussion at lists.nsrca.org> wrote:
>
> Well Don, that really didn't fire up a lot of enthusiastic discussion. I
> guess after Nats it's don't ask don't tell.
>
>
>
> C
>
> Sent from my iPhone
>
>
> On Sep 6, 2014, at 6:28 PM, flyintexanmark at gmail.com via NSRCA-discussion
> <nsrca-discussion at lists.nsrca.org> wrote:
>
> Very revealing. Thanks Don.
>
>
>
> Regards,
>
>
>
> Mark Hunt
>
>
>
> ----- Reply message -----
> From: "Don Ramsey via NSRCA-discussion" <nsrca-discussion at lists.nsrca.org>
> To: "'General pattern discussion'" <nsrca-discussion at lists.nsrca.org>
> Subject: [NSRCA-discussion] Snaps
> Date: Sat, Sep 6, 2014 3:57 PM
>
>
>
> I just watched CPLR and Mayer doing snaps on video. The entire video is
> their snaps.  If you are interested, here’s the link
> http://www.rcgroups.com/forums/showthread.php?t=1443881&page=2
>
> about half way down the page.  A good exercise is to watch both videos and
> record your thoughts. Then get a thin piece of straight wire and overlay
> the track of the models when they snap. See if your views change. The
> ability to replay a short segment is a help.
>
>
>
> Especially watch the snaps at 1:40 for CPLR and about 2:00 for Mayer. What
> do you think? Note the post just after Mayer’s video.
>
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