[NSRCA-discussion] Snaps

[Ed Miller]

Having grown up in the 60's and 70's, I don't need no stinkin' Doritos, CRT's or PC's to see any weird stuff.  The reverse avalanche is like a flash back to a different time for us baby boomers. :)
Ed M.
  ----- Original Message ----- 
  From: John Pavlick 
  To: NSRCA Mailing List 
  Sent: Sunday, July 09, 2006 1:36 PM
  Subject: Re: [NSRCA-discussion] Snaps


   Easy. Elevator, rudder, aileron. In that order. Works in both directions (left AND right). It even works inverted but you apply opposite aileron / rudder. The whole thing takes about 1 second. That's the problem. Your eyes are "blind" when they're moving. That's another problem. How much of it do we really see?
   Here's something to think about. Have you ever looked at an LED display - like an alarm clock or something like that. Does it look like the LEDs are "On" constantly? They're not. OK, in some designs they are but most of the time they are multiplexed. There are 7 segments in a display. The number "8" requires all of them to be illuminated at the same time. The micro that drives them does not turn each one on at the same time. It turns each one on for a certain period of time, then the next one, then the next one. In spite of this, your eyes "see" them all on at the same time. This is due to the persistence of the display and the fact that your eyes and brain aren't as fast as you think they are. Now for some fun. Eat some D'Oritos (or any hard crunchy food - this makes your eyes "blind" for a short period of time) and look at the same display. See what I mean? The same is true for a CRT display (the one on your PC). If the refresh rate is low enough, you'll see some weird stuff if you eat D'Oritos and look at the display. 

  John Pavlick
  http://www.idseng.com
    


    -----Original Message-----
    From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca-discussion-bounces at lists.nsrca.org]On Behalf Of R. LIPRIE
    Sent: Saturday, July 08, 2006 11:48 PM
    To: NSRCA Mailing List
    Subject: Re: [NSRCA-discussion] Snaps


    Nat,'

                I agree with what you said, all the way. And it actually helped me understand a little bit more. About the substance of snap rolls. But there still is a very big controversy over the (millions of ways) to do a snap roll. But maybe one day everybody will agree on one particular way.


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