[SPAM] Re: Snao G's

[Jim Ivey]

Ron
He is in NE Ga. and it was heard in SE GA.

Jim Ivey
> 
> From: Ron Van Putte <vanputte at cox.net>
> Date: 2005/01/28 Fri PM 08:25:03 EST
> To: discussion at nsrca.org
> Subject: Re: [SPAM] Re: Snao G's
> 
> 
> On Jan 28, 2005, at 7:05 PM, Cameron Smith wrote:
> 
> > I look at it more as ?Energy Management?.   I?m replacing wings on a 
> > large gasser from ?Poor Energy Management? Dropped it to far with NO 
> > throttle & Pulled a Sharp Parachute and the Crack could be heard 
> > across the county.
> 
> Cameron - Was it a big county?  <BG>
> 
> Ron Van Putte
> 
> > ----Original Message-----
> > From: discussion-request at nsrca.org 
> > [mailto:discussion-request at nsrca.org] On Behalf Of Ken Thompson III
> > Sent: Friday, January 28, 2005 5:57 PM
> > To: discussion at nsrca.org
> > Subject: Re: [SPAM] Re: Snao G's
> >
> >  
> >
> > Walls I can see the stress, however I understand that the correct way 
> > to enter a wall is at 1/4 throttle or less.  I'm not one of those big 
> > ego guys, so correct me if I'm wrong.
> >
> > Parachutes are more of a controlled fall, from a partial wall up high, 
> > and Blenders begin from a stalled state.  Of course when you slam the 
> > throttle to push the plane through the Blender, that could hurt a 
> > bunch.
> >
> >  
> >
> > Ken
> >
> >  
> >
> >  
> >
> >  
> >
> > ----- Original Message -----
> >
> >  From: Ed Alt
> >
> > To: discussion at nsrca.org
> >
> > Sent: Friday, January 28, 2005 5:05 PM
> >
> > Subject: [SPAM] Re: Snao G's
> >
> >  
> >
> > Yep, but the transition into it can be stressful.  Stuff like Walls, 
> > Parachutes, Blenders, certain brands of Waterfalls put mucho strain in 
> > the airframe. 
> >
> >  Ed
> >
> > ----- Original Message -----
> >
> >  From: Ken Thompson III
> >
> > To: discussion at nsrca.org
> >
> > Sent: Friday, January 28, 2005 4:16 PM
> >
> > Subject: Re: Snao G's
> >
> >  
> >
> > Matt,
> >
> > I could be wrong, but isn't 3D, by definition, done in a constant 
> > state of stall?  Wouldn't that eliminate a lot of the high G's in the 
> > maneuvers?  I wouldn't think the airframe would be in as stressed 
> > state, when the flying surface is depending on prop wash, not air 
> > speed, to do it's thing.
> >
> >  
> >
> > Ken
> >
> > ----- Original Message -----
> >
> >  From: Rcmaster199 at aol.com
> >
> > To: discussion at nsrca.org
> >
> > Sent: Friday, January 28, 2005 1:46 PM
> >
> > Subject: Re: Snao G's
> >
> >  
> >
> > If this accelerometer is finding 13 G loads generated by a Pattern 
> > model snap, a relatively low amount really, I imagine that a 3D model 
> > set up for a full array of stunts has to be experiencing double that 
> > at least.
> >
> >  
> >
> > Earl could you do any 3D type maneuvers and measurements with the Yak?
> >
> >  
> >
> > Very informative discussion BTW, and may result in improved more 
> > efficient building technique, read-- lightest for the desired 
> > strength.
> >
> >  
> >
> > thanks
> >
> >  
> >
> > matt
> >
> >  
> >
> > In a message dated 1/28/2005 1:32:35 PM Eastern Standard Time, 
> > d.pappas at kodeos.com writes:
> >
> > That's proof of stall!
> >
> > If the G loading rises suddenly, and then holds or droops continuously 
> > during the roll, then it's probably an accelerated barrel.
> >
> > If the profile is sudden rise, sudden drop to maybe 1/2, then onload, 
> > you have a real snap.
> >
> >  
> >
> > Yia,
> >
> >     Dean
> >
> >  
> >
> > Dean Pappas
> > Sr. Design Engineer
> > Kodeos Communications
> > 111 Corporate Blvd.
> > South Plainfield, N.J. 07080
> > (908) 222-7817 phone
> > (908) 222-2392 fax
> > d.pappas at kodeos.com
> >
> > -----Original Message-----
> > From: discussion-request at nsrca.org 
> > [mailto:discussion-request at nsrca.org]On Behalf Of Rcmaster199 at aol.com
> > Sent: Friday, January 28, 2005 11:45 AM
> > To: discussion at nsrca.org
> > Subject: Re: Snao G's
> >
> > Good point. Once in the stall, the model should not see the 
> > same continued G load. Should drop dramatically. If the plane doesn't 
> > stall to begin with, different story.
> >
> >  
> >
> > Matt
> >
> >  
> >
> > In a message dated 1/28/2005 11:23:25 AM Eastern Standard Time, 
> > d.pappas at kodeos.com writes:
> >
> > Let me add another two cents worth ...
> >
> > Earl,
> >
> > What is the sampling rate on your data logger?
> >
> > Can you see if the maximum 13-Gs at 100 MPH was sustained for the 
> > entire half second or so that it took to complete the snap,
> >
> > or was it a short spike (like 0.1 second)  and then sustained at say 
> > half of that value, for the rest of the snap.
> >
> > Of course, if the data logger samples once a second, we have almost no 
> > way of knowing.
> >
> >  
> >
> > Later,
> >
> >         Dean
> >
> >  
> 
> 


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