[NSRCA-discussion] Snap entry in FAI

Matthew Frederick mjfrederick at cox.net
Sun Jun 15 20:41:53 AKDT 2008


I was just thinking the same thing... Really the wing doesn't stall until 
the aileron input forces the stall on whichever wing you are snapping to, 
you just can't achieve that stall "instantaneously" unless you have already 
increased the wing's angle of attack with the pitch break. Then the rudder 
and elevator steer the tail through the snap. But then again, look who I'm 
talking to, I think you knew that already. Of course, the fun trick is 
actually going slow enough into the snap to allow that initial elevator 
input change the angle of attack, not the direction of flight.

Matt
----- Original Message ----- 
From: "JShulman" <jshulman at cfl.rr.com>
To: "General pattern discussion" <nsrca-discussion at lists.nsrca.org>
Sent: Sunday, June 15, 2008 10:10 PM
Subject: Re: [NSRCA-discussion] Snap entry in FAI


> I'd love to see any model plane (aerobatic, not over-weight warbirds) 
> actually pitch the nose up in flight (the amount "required"
> for a scored snap) and become stalled.
>
> Regards,
> Jason
> www.jasonshulman.com
> www.shulmanaviation.com
> www.composite-arf.com
>
> -----Original Message-----
> From: nsrca-discussion-bounces at lists.nsrca.org 
> [mailto:nsrca-discussion-bounces at lists.nsrca.org]On Behalf Of Ken Thompson
> Sent: Sunday, June 15, 2008 11:08 PM
> To: General pattern discussion
> Subject: Re: [NSRCA-discussion] Snap entry in FAI
>
>
> Dang Jason...
>
> You know I'm going to say the pitch is supposed to happen first, otherwise
> the wing won't be in a stalled position before the roll and yaw.LOL!!
>
> You're making me second guess myself :-) <BG>
>
>
> ----- Original Message -----
> From: "JShulman" <jshulman at cfl.rr.com>
> To: "General pattern discussion" <nsrca-discussion at lists.nsrca.org>
> Sent: Sunday, June 15, 2008 9:48 PM
> Subject: Re: [NSRCA-discussion] Snap entry in FAI
>
>
>> You passed and took away my desire to pitch the nose up and roll...lol.
>>
>> Can the pitch break happen simultaneously as the roll and yaw?
>>
>> Regards,
>> Jason
>> www.jasonshulman.com
>> www.shulmanaviation.com
>> www.composite-arf.com
>>
>> -----Original Message-----
>> From: nsrca-discussion-bounces at lists.nsrca.org
>> [mailto:nsrca-discussion-bounces at lists.nsrca.org]On Behalf Of Ken 
>> Thompson
>> Sent: Sunday, June 15, 2008 10:47 PM
>> To: Ken Thompson; General pattern discussion
>> Subject: Re: [NSRCA-discussion] Snap entry in FAI
>>
>>
>> How'd I do?
>> ----- Original Message -----
>> From: "Ken Thompson" <KTHOMPSON56 at satx.rr.com>
>> To: "General pattern discussion" <nsrca-discussion at lists.nsrca.org>
>> Sent: Sunday, June 15, 2008 7:39 PM
>> Subject: Re: [NSRCA-discussion] Snap entry in FAI
>>
>>
>>> That would be the first part...after that better be the tail forming a
>>> cone, or else...no it wouldn't be a snap;-)
>>>
>>>
>>>
>>> ----- Original Message -----
>>> From: "JShulman" <jshulman at cfl.rr.com>
>>> To: "General pattern discussion" <nsrca-discussion at lists.nsrca.org>
>>> Sent: Sunday, June 15, 2008 6:35 PM
>>> Subject: Re: [NSRCA-discussion] Snap entry in FAI
>>>
>>>
>>>> Ken,
>>>>
>>>> Would you say that if the plane breaks in pitch it is a snap?
>>>>
>>>> Regards,
>>>> Jason
>>>> www.jasonshulman.com
>>>> www.shulmanaviation.com
>>>> www.composite-arf.com
>>>>
>>>> -----Original Message-----
>>>> From: nsrca-discussion-bounces at lists.nsrca.org
>>>> [mailto:nsrca-discussion-bounces at lists.nsrca.org]On Behalf Of Ken
>>>> Thompson
>>>> Sent: Sunday, June 15, 2008 7:36 PM
>>>> To: General pattern discussion
>>>> Subject: Re: [NSRCA-discussion] Snap entry in FAI
>>>>
>>>>
>>>> LOL!!!  I'll be waiting in the wings to read the comments :-)
>>>> ----- Original Message -----
>>>> From: "JShulman" <jshulman at cfl.rr.com>
>>>> To: "General pattern discussion" <nsrca-discussion at lists.nsrca.org>
>>>> Sent: Sunday, June 15, 2008 6:22 PM
>>>> Subject: Re: [NSRCA-discussion] Snap entry in FAI
>>>>
>>>>
>>>>> Must be even closer to the Nats... after this is Spins...lol.
>>>>>
>>>>> Are we talking shoulder rolling or straight rolling?
>>>>>
>>>>> Regards,
>>>>> Jason
>>>>> www.jasonshulman.com
>>>>> www.shulmanaviation.com
>>>>> www.composite-arf.com
>>>>>
>>>>> -----Original Message-----
>>>>> From: nsrca-discussion-bounces at lists.nsrca.org
>>>>> [mailto:nsrca-discussion-bounces at lists.nsrca.org]On Behalf Of Ken
>>>>> Thompson
>>>>> Sent: Sunday, June 15, 2008 7:24 PM
>>>>> To: johnfuqua at embarqmail.com; General pattern discussion
>>>>> Subject: Re: [NSRCA-discussion] Snap entry in FAI
>>>>>
>>>>>
>>>>> How can it be a snap if no pitch or break is shown?
>>>>>
>>>>> And yes...I know this comment is setting up a serious discussion :-)
>>>>>
>>>>>
>>>>> ----- Original Message -----
>>>>> From: "John Fuqua" <johnfuqua at embarqmail.com>
>>>>> To: "'NSRCA Mailing List'" <nsrca-discussion at lists.nsrca.org>
>>>>> Sent: Sunday, June 15, 2008 6:18 PM
>>>>> Subject: [NSRCA-discussion] Snap entry in FAI
>>>>>
>>>>>
>>>>>> For those FAI pilots at the Harvest contest this weekend who took the
>>>>>> position that the airplane need no longer show pitch or break to 
>>>>>> enter
>>>>>> the
>>>>>> snap I invite you to para 5B.7.5 of the FAI rule book.  Looks to me
>>>>>> like
>>>>>> the
>>>>>> only change is that a zero is no longer appropriate but a mandatory
>>>>>> downgrade of more than 5 points is.
>>>>>>
>>>>>>
>>>>>> _______________________________________________
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>>>>>> NSRCA-discussion at lists.nsrca.org
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>>>>>
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