[NSRCA-discussion] triangulation trimming

[Nat Penton]

Where is Bryan when you need him <G>
----- Original Message ----- 
From: <adriancwong at earthlink.net>
To: "NSRCA Mailing List" <nsrca-discussion at lists.f3a.us>
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 <nsrca-discussion at lists.nsrca.org>
>>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 <patterndude at tx.rr.com> 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
>>_______________________________________________
>>NSRCA-discussion mailing list
>>NSRCA-discussion at lists.nsrca.org
>>http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
>
> _______________________________________________
> NSRCA-discussion mailing list
> NSRCA-discussion at lists.nsrca.org
> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
>