[NSRCA-discussion] triangulation trimming
vicenterc at comcast.net
vicenterc at comcast.net
Tue Mar 18 17:01:18 AKDT 2008
Chris,
Very good information. How much right thrust? I think you are correct, move the CG a little more forward. It could help the snaps also.
--
Vicente "Vince" Bortone
-------------- Original message ----------------------
From: krishlan fitzsimmons <homeremodeling2003 at yahoo.com>
> Ok Bryan,
>
> Here's how I went out today and man was I suprised, 0 degree down thrust, 0
> stab, 3/4 positive in the wing.. Cg forward where Budd recommends. What a
> difference.. I had a neutral elevator for the first time since I owned the plane
> without adjusting things.. Uplines were good, downlines pulled to the canopy
> still. Horizontal lines, the plane DID feel more locked into the line.. It's
> never felt like that.. Mixing, well it still needed about 15% up mix in knifes,
> down from 30% though. Inverted nearly hands off. 45 roll to inverted slowly
> drops the nose. 45 downs are locked in. Snaps, well they suck for some reason. w
> Not from this, but when I did cg, and other changes before, I changed throws cuz
> the snaps sucked. It took alot more down ele, and aileron for inverted snaps..
> And still, when I start the snap, it breaks, then slowly gets into the snap,
> then speeds up too fast causing an overrotation. Regular snaps are now too fast
> (easy to cure though with a different dual rate
> setting).
> I think my cg could go forward to help with the up ele needed in knife, and
> also the pull to canopy on downlines maybe?? Or should I play with the wing
> adjusters more?
>
> Thanks,
>
> Chris
>
>
> Nat Penton <natpenton at centurytel.net> wrote:
> Wayne
> You missed the seminar - that was the rest room <G>.
> ----- Original Message -----
> From: Wayne Galligan
> To: NSRCA Mailing List
> Sent: Tuesday, March 18, 2008 10:21 AM
> Subject: Re: [NSRCA-discussion] triangulation trimming
>
>
> John Crapper was not the original inventor of the toilet. However Thomas
> Crapper was one of the people that was responsible for it popularity. Not to
> sure where John L Crapper came from but the original inventor was John
> Harington. So maybe that's how the "John" and the "Crapper" have been come to
> be known as.
> ----- Original Message -----
> From: Wayne Galligan
> To: NSRCA Mailing List
> Sent: Tuesday, March 18, 2008 10:11 AM
> Subject: Re: [NSRCA-discussion] triangulation trimming
>
>
> Water Closet (WC) is a toilet that disposes of the waste by using water to
> flush it through a drainpipe to another location. Modern toilets incorporate an
> 'S' bend; this 'trap' creates a water seal which remains filled the 'S' bend
> also provides siphon action which helps accelerate the flushing process. Water
> filling up the bowl creates a high pressure area which forces the water past the
> S bend. At the S bend when water starts to move it creates a vacuum that pulls
> the water and waste out of the toilet. When no more water is left then the air
> stops the siphon or vacuum process. At that point the water that is going into
> the bowl continues to fill up the bowl to equalize the bowl and the S bend. This
> ends the cycle of one flush. Since there were no rooms designated for toilets
> or crappers as they were called (named after John L Crapper, inventor of the
> flush toilet) the term Water Closet was coined as homes that had the out houses
> moved indoors were usually located in
> closets in the home.
>
> Flush away............
> ----- Original Message -----
> From: Karl G. Mueller
> To: NSRCA Mailing List
> Sent: Tuesday, March 18, 2008 10:45 AM
> Subject: Re: [NSRCA-discussion] triangulation trimming
>
>
> Vicente,
>
> "WC" actually is the short form of "Water Closet".
> That's what the early Toilets were called.
>
> Karl G. Mueller
> kgamueller at rogers.com
>
> ----- Original Message -----
> From: vicenterc at comcast.net
> To: adriancwong at earthlink.net ; NSRCA Mailing List
> Sent: Monday, March 17, 2008 10:04 PM
> Subject: Re: [NSRCA-discussion] triangulation trimming
>
>
> WC = toilet. I wonder how many went and check.
>
> --
> Vicente "Vince" Bortone
>
> -------------- Original message --------------
> From: adriancwong at earthlink.net
> BODY { FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY:
> Geneva,Arial,Helvetica,sans-serif; BACKGROUND-COLOR: #ffffff }
> body{font-family:
> Geneva,Arial,Helvetica,sans-serif;font-size:9pt;background-color: #ffffff;color:
> black;} "WC", huh? I haven't heard that word since I've moved back from Hong
> Kong in the early 90's.
>
> May be I should try the knife edge on a vertical down line, instead of doing it
> horizontally?
>
>
> -----Original Message-----
> From: vicenterc at comcast.net
> Sent: Mar 17, 2008 7:00 PM
> To: adriancwong at earthlink.net, NSRCA Mailing List
> Subject: Re: [NSRCA-discussion] triangulation trimming
>
> That is called Coriolis accerelation. That is why the water closets flush to
> the right in the North hemisphere and to the left in the South hemisphere
> (looking the water closet from above). If going down straight you are close to
> the ecuator. If this do not happens as described the water closet needs to be
> trimmed.
>
> --
> Vicente "Vince" Bortone
>
> -------------- Original message --------------
> From: adriancwong at earthlink.net
> I think Bryan is hiding in his wind tunnel trying to duplicate the same
> condition.
>
> I don't think it was my digits. It's probably between the earth's gravitational
> pull and soething in the northern hemisphere. I bet the plane will do the exact
> opposite if I fly it in Australia ... .-)
>
>
> -----Original Message-----
> From: Derek Koopowitz
> Sent: Mar 17, 2008 3:36 PM
> To: NSRCA Mailing List
> Subject: Re: [NSRCA-discussion] triangulation trimming
>
> I think he wishes it was his thumbs... :)
>
> The push to the belly was more than the pull to the canopy... the pull was
> very slight.
>
>
> On Mon, Mar 17, 2008 at 3:24 PM, krishlan fitzsimmons
> <homeremodeling2003 at yahoo.com> wrote:
> 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 pul! l 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
> >>>
> >>> _______________________________________________
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> >>> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
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>
>
>
>
> Chris
>
>
>
>
>
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>
> Chris
>
>
>
>
>
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