[NSRCA-discussion] Fw: Suggested New Snap Roll (BrakeRoll)Description

[Lance Van Nostrand]

Did anyone see this post earlier?  I saw the conversation progress and just 
want to know if this was such a bad idea that it wasn't worth 
acknowleging....

--Lance

>
> -----Original Message-----
> From: patterndude at tx.rr.com
> Date: Fri, 16 Oct 2009 20:18:10
> To: General pattern discussion<nsrca-discussion at lists.nsrca.org>
> Subject: Re: [NSRCA-discussion] Suggested New Snap Roll (Brake
> Roll)Description
>
> Given all the natural differences among planes and styles it seems clear 
> that some are applying personal criteria that can't universally be 
> applied. Also, its very possible many of the snaps generally accepted as 
> good may not be autorotations at all (especially on uplines and other 
> angles or positions where the forces are far from straight and level), so 
> why does the definition try to define something we don't do?
>
> How about if we just make this simple to judge and boil it down to this: A 
> "snap", for maximum points, is a rapid rotation where the fuselage makes a 
> clear break in heading from its track for the duration of the roll but the 
> general track does not change.
>
> If the track barrel rolls, it is the wrong manuver it is downgraded 10. If 
> the heading does not remain deviated for the entire roll it is downgraded 
> 1 pt per 15
>
> Lance
> Sent via BlackBerry by AT&T
>
> -----Original Message-----
> From: Keith Black <tkeithblack at gmail.com>
> Date: Fri, 16 Oct 2009 00:03:41
> To: General pattern discussion<nsrca-discussion at lists.nsrca.org>
> Subject: Re: [NSRCA-discussion] Suggested New Snap Roll (Brake Roll)
> Description
>
> How about this definition:
>
> A snap-roll (or break roll) is a rapid autorotation roll where the
> model aircraft is in a stalled
> attitude, with a continuous high angle of attack.
> At the start of a snap-roll, the fuselage attitude must show a
> definite break and separation from the
> flight path, before the rotation is started, since the model aircraft
> is supposed to be in a stalled
> condition throughout the maneuver, If the stall/break does not occur
> and the model aircraft barrel rolls
> around, the maneuver must be severely downgraded (more than 5 points).
> Similarly, axial
> rolls disguised as snap-rolls must be severely downgraded (more than 5 
> points).
> Snap-rolls can be flown both positive and negative, and the same
> criteria apply. The attitude
> (positive or negative) is at the competitor’s discretion. If the model
> aircraft returns to an unstalled
> condition during the snap-roll, the maneuver is severely downgraded
> using the 1 point/15 degree
> rule. Snap-rolls have the same judging criteria as axial rolls as far
> as start and stop of the rotation, and
> constant flight path through the maneuver is concerned.
>
>
> On Thu, Oct 15, 2009 at 11:09 AM, Martin X. Moleski, SJ
> <moleski at canisius.edu> wrote:
>> Vicente,
>>
>>> Thanks for the suggestions.
>>
>> De nada.
>>
>>> Remember that I write in Spanglish so I am
>>> sure that there are more mistakes. Read and read again.
>>
>> Me gusta mucho. ;o)
>>
>> Marty
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>> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
>>
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