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<DIV>Probably you mean "fairly backward".</DIV>
<DIV> </DIV>
<DIV>Vicente "Vince" Bortone</DIV>
<DIV> </DIV>
<BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">-------------- Original message -------------- <BR>From: "Ed Miller" <edbon85@charter.net> <BR><BR>> I fly my EMC2 with a fairly forward CG and it too becomes a bit of a handful <BR>> in heavy wind. Turbulence seems to be constantly rocking the wings. Being <BR>> under the 1lb per 100square rule ( 1100 squares at 10lbs 7 ounces ) I <BR>> believe has something to do with it also. I'm going to push the CG a bit <BR>> more forward to see if there is any improvement. <BR>> Ed M. <BR>> ----- Original Message ----- <BR>> From: "Dean Pappas" <D.PAPPAS@KODEOS.COM><BR>> To: "NSRCA Mailing List" <NSRCA-DISCUSSION@LISTS.NSRCA.ORG><BR>> Sent: Wednesday, October 25, 2006 2:49 PM <BR>> Subject: Re: [NSRCA-discussion] Another trimming question <BR>> <BR>> <BR>> > Hello Peter, <BR>> > Fred and Anthony are onto the basic issue. You will almost certainly ha
ve <BR>> > to trade off the "rolling workload" versus damping in turbulence, using CG <BR>> > position. Many flyers trim themselves into borderline tail-heaviness in <BR>> > order to lessen the workload in rolls, but the piper will be paid. I <BR>> > always liked them nose-heavy, myself. I figure predictability is more <BR>> > important. <BR>> > <BR>> > I don't know the Impact, personally ... does it generally handle <BR>> > turbulence well? Some designs don't. <BR>> > <BR>> > good luck, <BR>> > Dean Pappas <BR>> > <BR>> > -----Original Message----- <BR>> > From: nsrca-discussion-bounces@lists.nsrca.org on behalf of Fred Huber <BR>> > Sent: Wed 10/25/2006 2:24 PM <BR>> > To: NSRCA Mailing List <BR>> > Cc: <BR>> > Subject: Re: [NSRCA-discussion] Another trimming question <BR>> > <BR>> > <BR>> > <BR>> > Moving CG forward and adding + wing incidence shoul
d help upright wind <BR>> > penetration... but inverted would then need more elevator correction to <BR>> > prevent the nose from dropping, and the plane might have pitch with rudder <BR>> > and other effects. <BR>> > <BR>> > Typicly I approach trimming from a nose-heavy start. and I do notice the <BR>> > plane being affected more by turbulence as the plane becomes better <BR>> > trimmed <BR>> > and the CG approaches the point where little or no elevator is needed for <BR>> > inverted flight. <BR>> > <BR>> > I suggest more expo for softer stick centers, allowing correcting for the <BR>> > wind effects with less "jumping" of the model. If the plane flys the way <BR>> > you want when there's no wind... Leave the CG, incidences and the rest of <BR>> > the setup alone. <BR>> > <BR>> > If just adding expo and a little airspeed does the trick.... its the best <BR>> > solution, as it has
the least chance of negative side effects. <BR>> > <BR>> > FHH <BR>> > ----- Original Message ----- <BR>> > From: "Anthony Romano" <ANTHONYR105@HOTMAIL.COM><BR>> > To: <NSRCA-DISCUSSION@LISTS.NSRCA.ORG><BR>> > Sent: Wednesday, October 25, 2006 9:30 AM <BR>> > Subject: Re: [NSRCA-discussion] Another trimming question <BR>> > <BR>> > <BR>> > > <BR>> > > Interesting thinking a little more positive would allow a further <BR>> > > forward <BR>> > > CG <BR>> > > which may give you a little more stability. Document it so you can move <BR>> > > back and give it a try. As I have heard said "trimming is a verb." <BR>> > > <BR>> > > Anthony <BR>> > > <BR>> > >>From: "Peter Pennisi" <PENTAGON.SYSTEMS@BIGPOND.COM><BR>> > >>Reply-To: NSRCA Mailing List <NSRCA-DISCUSSION@LISTS.NSRCA.ORG><BR>> > >>To: "'NSRCA Mailing List'" <NSRC
A-DISCUSSION@LISTS.NSRCA.ORG><BR>> > >>Subject: [NSRCA-discussion] Another trimming question <BR>> > >>Date: Wed, 25 Oct 2006 08:37:54 +1000 <BR>> > >> <BR>> > >>Hi Guys, <BR>> > >> <BR>> > >> <BR>> > >> <BR>> > >>I am looking for opinions. <BR>> > >> <BR>> > >> <BR>> > >> <BR>> > >>I am currently flying the COMP-ARF IMPACT with DZ160 which I am very <BR>> > >>pleased <BR>> > >>with. <BR>> > >> <BR>> > >> <BR>> > >> <BR>> > >>Model is flying with no trim and negligible mix. There is no rudder to <BR>> > >>elevator mix for knife edge flight and 5% mix at large rudder throws for <BR>> > >>rollers etc. <BR>> > >> <BR>> > >> <BR>> > >> <BR>> > >>Model climbs as straight as an arrow so I am happy with my
thrust <BR>> > >>settings <BR>> > >>and the model pulls ever so slightly to canopy on long down lines which <BR>> > >>is <BR>> > >>mixed with throttle. <BR>> > >> <BR>> > >> <BR>> > >> <BR>> > >>The incidence settings are 0 degrees on tail-plane and approximately <BR>> > >>1/6th <BR>> > >>of a degree positive on the wing. The CG is about right and I don't want <BR>> > >>to <BR>> > >>go any further forward as it creates too much work when rolling in 45 <BR>> > >>degree <BR>> > >>up lines. <BR>> > >> <BR>> > >> <BR>> > >> <BR>> > >>I know most of you will say that the model is fairly well trimmed. The <BR>> > >>model <BR>> > >>is pure pleasure to fly in the calm and really locks on well however <BR>> > >>when <BR>> > >>the
wind comes up it is a different animal to fly. The model gets <BR>> > >>knocked <BR>> > >>around and I find it very difficult to lock in a line. I am only talking <BR>> > >>about moderate wind here. My other model (Alliance) seems to handle the <BR>> > >>windy conditions better. I don't want to go any heavier in the nose <BR>> > >>otherwise rolls become too much work. I would actually like to bring my <BR>> > >>CG <BR>> > >>further back but it will make the model even more difficult to fly in <BR>> > >>the <BR>> > >>wind. CG is currently 5 mm behind rear of wing tube. Model weight is <BR>> > >>4.72 <BR>> > >>KG <BR>> > >> <BR>> > >> <BR>> > >> <BR>> > >>Question: Will changing wing incidence have any effect on model behavior <BR>> > >>in <BR>> > >>windy weather without affecting th
e rest of my settings / trimming. I <BR>> > >>only <BR>> > >>have 1/6th of degree positive and I know a lot of people run anywhere <BR>> > >>between 0.25 to 0.5 degree on their models. <BR>> > >> <BR>> > >> <BR>> > >> <BR>> > >>Thanks <BR>> > >> <BR>> > >> <BR>> > >> <BR>> > >>Peter <BR>> > >> <BR>> > >> <BR>> > >> <BR>> > >> <BR>> > >> <BR>> > > <BR>> > > <BR>> > >><< winmail.dat >> <BR>> > > <BR>> > > <BR>> > >>_______________________________________________ <BR>> > >>NSRCA-discussion mailing list <BR>> > >>NSRCA-discussion@lists.nsrca.org <BR>> > >>http://lists.nsrca.org/mailman/listinfo/nsrca-discussion <BR>> > > <BR>> > > ___________________________________________
______________________ <BR>> > > Stay in touch with old friends and meet new ones with Windows Live <BR>> > > Spaces <BR>> > > <BR>> http://clk.atdmt.com/MSN/go/msnnkwsp0070000001msn/direct/01/?href=http://spaces. <BR>> live.com/spacesapi.aspx?wx_action=create&wx_url=/friends.aspx&mkt=en-us <BR>> > > <BR>> > > _______________________________________________ <BR>> > > NSRCA-discussion mailing list <BR>> > > NSRCA-discussion@lists.nsrca.org <BR>> > > http://lists.nsrca.org/mailman/listinfo/nsrca-discussion <BR>> > > <BR>> > > <BR>> > > <BR>> > > -- <BR>> > > No virus found in this incoming message. <BR>> > > Checked by AVG Free Edition. <BR>> > > Version: 7.1.408 / Virus Database: 268.13.11/497 - Release Date: <BR>> > > 10/25/2006 <BR>> > > <BR>> > > <BR>> > <BR>> > _________________________________
______________ <BR>> > NSRCA-discussion mailing list <BR>> > NSRCA-discussion@lists.nsrca.org <BR>> > http://lists.nsrca.org/mailman/listinfo/nsrca-discussion <BR>> > <BR>> > <BR>> > <BR>> <BR>> <BR>> -------------------------------------------------------------------------------- <BR>> <BR>> <BR>> > _______________________________________________ <BR>> > NSRCA-discussion mailing list <BR>> > NSRCA-discussion@lists.nsrca.org <BR>> > http://lists.nsrca.org/mailman/listinfo/nsrca-discussion <BR>> _______________________________________________ <BR>> NSRCA-discussion mailing list <BR>> NSRCA-discussion@lists.nsrca.org <BR>> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion </BLOCKQUOTE></body></html>