<DIV>I don't know how much you are willing to chop the plane, but it would be interesting to try dihedral in the horizontal stab.</DIV> <DIV> </DIV> <DIV>Bob R.</DIV> <DIV><BR><BR><B><I>Dowayne Gould <iflyrc24@gmail.com></I></B> wrote:</DIV> <BLOCKQUOTE class=replbq style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">If you guys get this figured out without sawing the wing in two and<BR>installing a pattern plane in the void I will try it.<BR>I have a 60 size Ultra Stick that exhibits the same flight tendencies.<BR>I tried mixing them out but made the plane not flyable other than<BR>knife edge. I came to the conclusion that the Sticks were not designed<BR>to fly with the wing tips pointed at the ground.<BR>And yes the pull to the canopy is the same with either wing up.<BR>Dowayne<BR><BR>On 1/30/06, tommu <TOMMU@CLEBURNE.NET>wrote:<BR>> Has it been ask if the problem is the same regardless of what side is down<BR>> there? This could mean a
great deal if it is different.<BR>><BR>> Tom Mullen<BR>> MIS Manager<BR>> 10 N Robinson<BR>> PO Box 677<BR>> City of Cleburne, Texas 76033-0677<BR>> tommu@cleburne.net<BR>> V 817-645-0977<BR>> F 817-645-2789<BR>><BR>> -----Original Message-----<BR>> From: nsrca-discussion-bounces@lists.nsrca.org<BR>> [mailto:nsrca-discussion-bounces@lists.nsrca.org] On Behalf<BR>> Of Ken Thompson<BR>> Sent: Monday, January 30, 2006 3:36 PM<BR>> To: NSRCA Mailing List<BR>> Subject: Re: [NSRCA-discussion] Trimming question<BR>><BR>> Hello Dean,<BR>><BR>> This is why I read all of the list's posts...I like to learn new things.<BR>><BR>> The sub-fin would go where, under the stab or closer to the nose? I would<BR>> think the placement would make a huge difference in the effect.<BR>><BR>> Ken<BR>> ----- Original Message -----<BR>> From: Dean Pappas<BR>> To: NSRCA Mailing List<BR>> Sent: Monday, January 30, 2006 1:53
PM<BR>> Subject: Re: [NSRCA-discussion] Trimming question<BR>><BR>> Hi Gang, Hi Ken,<BR>> The enswer probably lies in a combo of what Lance and Ron offered.<BR>> How much is your buddy willingg to cut or add to fix the problem.<BR>> A ventral strake/subfin will be a great experiment, and I am sure that a<BR>> bunch of us would like to hear the results.<BR>> Raising the stab would be terribly invasive, and also interesting.<BR>> Make sure the ship flies with a styraight elevator first.<BR>> later,<BR>> Dean<BR>><BR>><BR>><BR>> Dean Pappas<BR>> Sr. Design Engineer<BR>> Kodeos Communications<BR>> 111 Corporate Blvd.<BR>> South Plainfield, N.J. 07080<BR>> (908) 222-7817 phone<BR>> (908) 222-2392 fax<BR>> d.pappas@kodeos.com<BR>> -----Original Message-----<BR>> From: nsrca-discussion-bounces@lists.nsrca.org<BR>> [mailto:nsrca-discussion-bounces@lists.nsrca.org]On Behalf<BR>> Of patterndude@comcast.net<BR>>
Sent: Monday, January 30, 2006 1:44 PM<BR>> To: NSRCA Mailing List<BR>> Subject: Re: [NSRCA-discussion] Trimming question<BR>><BR>> Ken,<BR>> Not always. In level flight the neg incidence will require up trim. In KE<BR>> flight, the tail has an increased weighting in the balance of forces and<BR>> this uptrim can be more than needed.<BR>> --Lance<BR>><BR>><BR>> --<BR>> District 6 AVP<BR>> www.aeroslave.com<BR>><BR>> -------------- Original message --------------<BR>> From: "Ken Thompson" <MRANDMRST@COMCAST.NET><BR>><BR>> > Wouldn't negative incidence cause it to push to the gear, not the canopy?<BR>> ><BR>> > Ken<BR>> > ----- Original Message -----<BR>> > From: "Lance Van Nostrand"<BR>> > To: "NSRCA Mailing List"<BR>> > Sent: Monday, January 30, 2006 12:40 AM<BR>> > Subject: Re: [NSRCA-discussion] Trimming question<BR>> ><BR>> ><BR>> > > Not many responses to this
one, but here's my thought. The wing<BR>> incidence<BR>> > > is way negative and the CG is aft. I got myself into that situation once<BR>> > > and didn't catch it for a while. Inverted flight was fine but the plane<BR>> > > was<BR>> > > squirrely and the up elv trim was more effective in knife edge than<BR>> level<BR>> > > flight, resultin! g in canopy pull.<BR>> > > --Lance<BR>> > ><BR>> > > ----- Original Message -----<BR>> > > From: "John Pavlick"<BR>> > > To: "NSRCA Discussion"<BR>> > > Sent: Friday, January 27, 2006 10:31 PM<BR>> > > Subject: [NSRCA-discussion] Trimming question<BR>> > ><BR>> > ><BR>> > >> Ok here's a good one. The owner of the L.H.S. asked me what I thought<BR>> > >> about<BR>> > >> this and I couldn't come up with a good answer. He has a Hangar 9 Ugly<BR>> > >> Stik - the real big
one. I can't remember exactly what it's called.<BR>> Guess<BR>> > >> it<BR>> > >> has a gas motor in it. It's big. He says he has it trimmed so it will<BR>> fly<BR>> > >> inverted with just a very slight bit of down elevator (almost none).<BR>> Ok,<BR>> > >> so<BR>> > >> it's not nose heavy, maybe even a little tail heavy. Now, when he flies<BR>> > >&! gt; it<BR>> > >> knife edge (either side) it pulls severely to the canopy. I mean like<BR>> it<BR>> > >> will fly a complete circle. It needs almost 3/4 down elevator to fly<BR>> > >> straight. It's beyond a mix - fix. He also says that it has a bit of<BR>> roll<BR>> > >> couple when flying level (not knife edge) but it doesn't pitch severely<BR>> > >> up<BR>> > >> or down under these conditions. Any thoughts? I guess you can rule out<BR>> > >> C.G.<BR>> >
>> because if anything it should pull to the belly considering how it's<BR>> > >> trimmed<BR>> > >> to fly level upright and inverted. I haven't flown it so I can't add<BR>> too<BR>> > >> much more. He builds OK so I don't think there's anything way out of<BR>> > >> alignment, but again I haven't seen it yet so maybe there is. What<BR>> should<BR>> > >> I<BR>> > >> look for if I get my hands on it to try and help him?<BR>> > >><BR>> > >> John Pavlick<BR>> > >> http://www.idseng! .com<BR>> > >><BR>> > >> --<BR>> > >> No virus found in this outgoing message.<BR>> > >> Checked by AVG Free Edition.<BR>> > >> Version: 7.1.375 / Virus Database: 267.14.23/243 - Release Date:<BR>> 1/27/06<BR>> > >><BR>> > >> _______________________________________________<BR>> > >>
NSRCA-discussion mailing list<BR>> > >> NSRCA-discussion@lists.nsrca.org<BR>> > >><BR>> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion<BR>> > ><BR>> > > _______________________________________________<BR>> > > NSRCA-discussion mailing list<BR>> > > NSRCA-discussion@lists.nsrca.org<BR>> > ><BR>> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion<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>> NSRCA-discussion mailing list<BR>> NSRCA-discussion@lists.nsrca.org<BR>> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion<BR>><BR>><BR>>
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