[NSRCA-discussion] triangulation trimming

[krishlan fitzsimmons]

I was going to tell Adrian his thumbs cause this.. 
  Just kidding of course Adrian..
   
  C

Nat Penton <natpenton at centurytel.net> wrote:
  Where is Bryan when you need him 
----- Original Message ----- 
From: 
To: "NSRCA Mailing List" 
Sent: Sunday, March 16, 2008 10:17 PM
Subject: Re: [NSRCA-discussion] triangulation trimming


> Bryan,
>
> What cause the plane to pull to the belly on one rudder, and to the canopy 
> on the other rudder during knife edge.
>
> Thx,
>
> Adrian
>
> -----Original Message-----
>>From: shinden1 at cox.net
>>Sent: Mar 16, 2008 7:17 PM
>>To: NSRCA Mailing List 
>>Subject: Re: [NSRCA-discussion] triangulation trimming
>>
>>Lance you need to find out exactly where the wing inc . is.
>>I think if you move your c/g back a little it will help take some of the 
>>up trim out But you prob need more pos inc, in the wing so we need to know 
>>where you are at right now to determine exactly where to go
>>Bryan
>>---- Lance Van Nostrand 
wrote:
>>> Bryan,
>>>
>>> The discussion list moves faster than I can try this stuff out. Too bad 
>>> I
>>> have to work...
>>>
>>> I first only moved my CG forward significantly and have improved overall
>>> tracking. It was windy Saturday and wind penetration were good. 
>>> Bryan's
>>> suggestion was correct on CG movement to make this improvement. However
>>> with the forward CG (and resultant uptrim) it pulls to the canopy 
>>> slightly
>>> on downlines. At this point I noticed that during inverted flight, 
>>> rudder
>>> input caused a pull to the belly (plane rose). This was weird. I then
>>> raised the incidence 2 turns and it fixed the inverted flight problem 
>>> but it
>>> seemed to make the canopy pull worse. Interestingly, KE flight was not
>>> noticeably affected.
>>>
>>> The other affect is that inverted 45 downlines drop toward earth faster 
>>> than
>>> upright 45s (which track nicely). Before this change, both 45s were 
>>> fine.
>>>
>>> Is this the expectation?
>>>
>>> --Lance
>>>
>>> _______________________________________________
>>> NSRCA-discussion mailing list
>>> NSRCA-discussion at lists.nsrca.org
>>> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
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>
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> 

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Chris 
   
   
   

       
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