[NSRCA-discussion] NSRCA-discussion Digest, Vol 89, Issue 15

Scott McHarg scmcharg at gmail.com
Fri Apr 19 12:26:23 AKDT 2013


+.5 on the wing, stab at 0 and 25-37% MAC for CG is an excellent place to
start.

You can calculate MAC of your wing here
http://www.scaleaero.com/mac_page.htm



On Fri, Apr 19, 2013 at 3:23 PM, Anthony Romano <anthonyr105 at hotmail.com>wrote:

> Another stab in the dark. (no pun intended)
>
> Is there a weight difference between engines?
>
> Have you checked both that both wings are set to the same incidence? Small
> differences can cause a serious roll.
>
> I don't remember my cg but was probably around +1/2 degree positive in the
> wing and it was a solid plane.
>
> Anthony
>
>  ------------------------------
> Date: Fri, 19 Apr 2013 15:18:57 -0500
> From: scmcharg at gmail.com
> To: nsrca-discussion at lists.nsrca.org
> Subject: Re: [NSRCA-discussion] NSRCA-discussion Digest, Vol 89, Issue 15
>
>
> Questions:
>
> 1. Is it the same once up in the air regardless of throttle setting?  In
> other words, does it do the same thing at idle as it does with power?
> 2. Have you checked your programmable mixing to make sure there isn't
> anything on that shouldn't be on?  If it is on, could there be a wrong
> channel selected?
>
> If it flew well before (and this is verified), you need to look at what
> has changed.  Radio, motor, etc.
>
> Scott
>
>
> On Fri, Apr 19, 2013 at 3:12 PM, Kc2pk at aol.com <kc2pk at aol.com> wrote:
>
> The plane takes off climbing and rolling left. I can barely be held with
> stick control, but the deflection requ irked is too much for just trim. I
> have checked the wing and stab incidences which are close to zero-zero with
> a Robert incidence meter. Balance is close to the wing tube after 2.5 oz
> lead attached to the rear of the balsa firewall. The previous owners said
> that it flew well with a yS 1.60dz, and I am using a 1.40 L. The small
> difference just can't be the cause. I could understand the pitch problem
> with a bad CG, but not the rolling.  I have ordered a new incidence meter
> from central hobbies on the theory that mine Is off, but I really doubt
> this to to be the problem. Meanwhile I have been flying a Venus2 with an OS
> 1.20 Ax as well as a curare with a TT .61. I mention this because that are
> two very different planes and the Hitec aurora 9 transmitter is working
> flawlessly. The servos are hitec digital 5625's and I see no problem with
> them on the ground. I wouldn't bo
>  thering everyone with this if it were not, really frustrating. I am
> really asking if anyone  has had a similar problem with this specific
> airframe. It may be a stab in the dark. Fred
>
> Sent from my iPad
>
> On Apr 19, 2013, at 4:00 PM, nsrca-discussion-request at lists.nsrca.orgwrote:
>
> > Send NSRCA-discussion mailing list submissions to
> >    nsrca-discussion at lists.nsrca.org
> >
> > To subscribe or unsubscribe via the World Wide Web, visit
> >    http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
> > or, via email, send a message with subject or body 'help' to
> >    nsrca-discussion-request at lists.nsrca.org
> >
> > You can reach the person managing the list at
> >    nsrca-discussion-owner at lists.nsrca.org
> >
> > When replying, please edit your Subject line so it is more specific
> > than "Re: Contents of NSRCA-discussion digest..."
> >
> >
> > Today's Topics:
> >
> >   1. Genesis (Fred Jacobs)
> >   2. Re: Genesis (Randy Forbus)
> >   3. Re: Genesis (Randy Forbus)
> >   4. Re: Genesis (ehaury)
> >   5. Re: Genesis (Vicente Planes)
> >   6. D4 Judging Seminar Update (Ron Hansen)
> >   7. D4 Contest Calendar (Peter G. Van Heusden)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Thu, 18 Apr 2013 16:55:16 -0400
> > From: Fred Jacobs <kc2pk at icloud.com>
> > To: "nsrca-discussion at lists.nsrca.org"
> >    <nsrca-discussion at lists.nsrca.org>
> > Subject: [NSRCA-discussion] Genesis
> > Message-ID: <FA4C8E31-4786-4B0A-A326-93D8ECF406BD at icloud.com>
> > Content-Type: text/plain; charset=us-ascii
> >
> >
> > I have recently aquired a Chip Hype Genesis. The plane is powered by aYS
> 1.40L and balances just ahead of the wing tube with 2.5 oz. lead attached
> to the rear of the firewall. The problem is that the plane is almost
> unflyable. I have flown it four times, found it to be all over the sky and
> have been unable to trim it reliably at all.  I have some questions. Where
> is the CG recommended to be? Has anyone else had this problem. I have been
> flying for twenty years in pattern and have never had this problem before.
> I have discussed the problem with my flying buddy, a masters class flyer of
> great skill, but without resolution. The fact that I have able to land the
> plane without damage has been nothing short of miraculous. Any help would
> be appreciated.  Fred
> > Sent from my iPad
> >
> > ------------------------------
> >
> > Message: 2
> > Date: Thu, 18 Apr 2013 22:54:48 +0000
> > From: Randy Forbus <rforbus at hotmail.com>
> > To: "nsrca-discussion at lists.nsrca.org"
> >    <nsrca-discussion at lists.nsrca.org>
> > Subject: Re: [NSRCA-discussion] Genesis
> > Message-ID: <COL125-W1896FB62EC2ECB8128F53EA2CF0 at phx.gbl>
> > Content-Type: text/plain; charset="iso-8859-1"
> >
> > what do you mean by unflyable, most modern 2 meter pattern plane balance
> just at the front edge of the wing tube, or the middle of the wing tube,
> what does it do to make it unflyable
> >
> >> From: kc2pk at icloud.com
> >> Date: Thu, 18 Apr 2013 16:55:16 -0400
> >> To: nsrca-discussion at lists.nsrca.org
> >> Subject: [NSRCA-discussion] Genesis
> >>
> >>
> >> I have recently aquired a Chip Hype Genesis. The plane is powered by
> aYS 1.40L and balances just ahead of the wing tube with 2.5 oz. lead
> attached to the rear of the firewall. The problem is that the plane is
> almost unflyable. I have flown it four times, found it to be all over the
> sky and have been unable to trim it reliably at all.  I have some
> questions. Where is the CG recommended to be? Has anyone else had this
> problem. I have been flying for twenty years in pattern and have never had
> this problem before. I have discussed the problem with my flying buddy, a
> masters class flyer of great skill, but without resolution. The fact that I
> have able to land the plane without damage has been nothing short of
> miraculous. Any help would be appreciated.  Fred
> >> Sent from my iPad
> >> _______________________________________________
> >> NSRCA-discussion mailing list
> >> NSRCA-discussion at lists.nsrca.org
> >> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
> >
> > -------------- next part --------------
> > An HTML attachment was scrubbed...
> > URL: <
> http://lists.nsrca.org/pipermail/nsrca-discussion/attachments/20130418/544761f0/attachment-0001.html
> >
> >
> > ------------------------------
> >
> > Message: 3
> > Date: Thu, 18 Apr 2013 22:57:40 +0000
> > From: Randy Forbus <rforbus at hotmail.com>
> > To: "nsrca-discussion at lists.nsrca.org"
> >    <nsrca-discussion at lists.nsrca.org>
> > Subject: Re: [NSRCA-discussion] Genesis
> > Message-ID: <COL125-W18D95C57FE5138A83E8726A2CF0 at phx.gbl>
> > Content-Type: text/plain; charset="iso-8859-1"
> >
> > Besides the cg I would be looking at the wing and stab incidences, .5
> positive on the wing is a good place to start and 0 on the stab.
> >
> >> From: kc2pk at icloud.com
> >> Date: Thu, 18 Apr 2013 16:55:16 -0400
> >> To: nsrca-discussion at lists.nsrca.org
> >> Subject: [NSRCA-discussion] Genesis
> >>
> >>
> >> I have recently aquired a Chip Hype Genesis. The plane is powered by
> aYS 1.40L and balances just ahead of the wing tube with 2.5 oz. lead
> attached to the rear of the firewall. The problem is that the plane is
> almost unflyable. I have flown it four times, found it to be all over the
> sky and have been unable to trim it reliably at all.  I have some
> questions. Where is the CG recommended to be? Has anyone else had this
> problem. I have been flying for twenty years in pattern and have never had
> this problem before. I have discussed the problem with my flying buddy, a
> masters class flyer of great skill, but without resolution. The fact that I
> have able to land the plane without damage has been nothing short of
> miraculous. Any help would be appreciated.  Fred
> >> Sent from my iPad
> >> _______________________________________________
> >> NSRCA-discussion mailing list
> >> NSRCA-discussion at lists.nsrca.org
> >> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
> >
> > -------------- next part --------------
> > An HTML attachment was scrubbed...
> > URL: <
> http://lists.nsrca.org/pipermail/nsrca-discussion/attachments/20130418/8afb4d98/attachment-0001.html
> >
> >
> > ------------------------------
> >
> > Message: 4
> > Date: Thu, 18 Apr 2013 18:08:58 -0500
> > From: ehaury <ejhaury at comcast.net>
> > To: General pattern discussion <nsrca-discussion at lists.nsrca.org>
> > Subject: Re: [NSRCA-discussion] Genesis
> > Message-ID: <AA02D9AE-28D1-4E0A-8752-C3B011C270F3 at comcast.net>
> > Content-Type: text/plain; charset="us-ascii"
> >
> > Sure you don't have + expo w a Futaba TX?
> >
> > Sent from my iPhone
> >
> > On Apr 18, 2013, at 5:57 PM, Randy Forbus <rforbus at hotmail.com> wrote:
> >
> >> Besides the cg I would be looking at the wing and stab incidences, .5
> positive on the wing is a good place to start and 0 on the stab.
> >>
> >>> From: kc2pk at icloud.com
> >>> Date: Thu, 18 Apr 2013 16:55:16 -0400
> >>> To: nsrca-discussion at lists.nsrca.org
> >>> Subject: [NSRCA-discussion] Genesis
> >>>
> >>>
> >>> I have recently aquired a Chip Hype Genesis. The plane is powered by
> aYS 1.40L and balances just ahead of the wing tube with 2.5 oz. lead
> attached to the rear of the firewall. The problem is that the plane is
> almost unflyable. I have flown it four times, found it to be all over the
> sky and have been unable to trim it reliably at all. I have some questions.
> Where is the CG recommended to be? Has anyone else had this problem. I have
> been flying for twenty years in pattern and have never had this problem
> before. I have discussed the problem with my flying buddy, a masters class
> flyer of great skill, but without resolution. The fact that I have able to
> land the plane without damage has been nothing short of miraculous. Any
> help would be appreciated. Fred
> >>> Sent from my iPad
> >>> _______________________________________________
> >>> 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
> > -------------- next part --------------
> > An HTML attachment was scrubbed...
> > URL: <
> http://lists.nsrca.org/pipermail/nsrca-discussion/attachments/20130418/9c9272cd/attachment-0001.html
> >
> >
> > ------------------------------
> >
> > Message: 5
> > Date: Thu, 18 Apr 2013 18:29:58 -0500
> > From: Vicente Planes <vicenterc at comcast.net>
> > To: General pattern discussion <nsrca-discussion at lists.nsrca.org>
> > Cc: General pattern discussion <nsrca-discussion at lists.nsrca.org>
> > Subject: Re: [NSRCA-discussion] Genesis
> > Message-ID: <C4F17E25-3ACC-47E0-BD05-559E969C2B49 at comcast.net>
> > Content-Type: text/plain; charset="us-ascii"
> >
> > Combined with really bad servos.
> >
> > Sent from my iPhone
> >
> > On Apr 18, 2013, at 6:08 PM, ehaury <ejhaury at comcast.net> wrote:
> >
> >> Sure you don't have + expo w a Futaba TX?
> >>
> >> Sent from my iPhone
> >>
> >> On Apr 18, 2013, at 5:57 PM, Randy Forbus <rforbus at hotmail.com> wrote:
> >>
> >>> Besides the cg I would be looking at the wing and stab incidences, .5
> positive on the wing is a good place to start and 0 on the stab.
> >>>
> >>>> From: kc2pk at icloud.com
> >>>> Date: Thu, 18 Apr 2013 16:55:16 -0400
> >>>> To: nsrca-discussion at lists.nsrca.org
> >>>> Subject: [NSRCA-discussion] Genesis
> >>>>
> >>>>
> >>>> I have recently aquired a Chip Hype Genesis. The plane is powered by
> aYS 1.40L and balances just ahead of the wing tube with 2.5 oz. lead
> attached to the rear of the firewall. The problem is that the plane is
> almost unflyable. I have flown it four times, found it to be all over the
> sky and have been unable to trim it reliably at all. I have some questions.
> Where is the CG recommended to be? Has anyone else had this problem. I have
> been flying for twenty years in pattern and have never had this problem
> before. I have discussed the problem with my flying buddy, a masters class
> flyer of great skill, but without resolution. The fact that I have able to
> land the plane without damage has been nothing short of miraculous. Any
> help would be appreciated. Fred
> >>>> Sent from my iPad
> >>>> _______________________________________________
> >>>> 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
> > -------------- next part --------------
> > An HTML attachment was scrubbed...
> > URL: <
> http://lists.nsrca.org/pipermail/nsrca-discussion/attachments/20130418/ee20b5e4/attachment-0001.html
> >
> >
> > ------------------------------
> >
> > Message: 6
> > Date: Thu, 18 Apr 2013 22:08:55 -0400
> > From: "Ron Hansen" <rcpilot at wowway.com>
> > To: "NSCRA Discussion List" <nsrca-discussion at lists.nsrca.org>
> > Subject: [NSRCA-discussion] D4 Judging Seminar Update
> > Message-ID: <000901ce3ca2$d8746bc0$895d4340$@wowway.com>
> > Content-Type: text/plain; charset="us-ascii"
> >
> > I posted directions to the D4 Judging Seminar on RCUniverse.
> >
> >
> >
> > The classroom stuff will be at the Grove City Church of the Nazarene.
> >
> >
> >
> > Contact me if you have any questions.
> >
> >
> >
> > Thanks
> >
> >
> >
> > __________ Information from ESET Smart Security, version of virus
> signature
> > database 8243 (20130418) __________
> >
> > The message was checked by ESET Smart Security.
> >
> > http://www.eset.com
> >
> > -------------- next part --------------
> > An HTML attachment was scrubbed...
> > URL: <
> http://lists.nsrca.org/pipermail/nsrca-discussion/attachments/20130418/8e1b226a/attachment.html
> >
> >
> > ------------------------------
> >
> > Message: 7
> > Date: Fri, 19 Apr 2013 10:33:03 -0400
> > From: "Peter G. Van Heusden" <petervh at malibutech.com>
> > To: "nsrca-discussion at lists.nsrca.org"
> >    <nsrca-discussion at lists.nsrca.org>
> > Cc: "Peter G. Van Heusden" <petervh at malibutech.com>
> > Subject: [NSRCA-discussion] D4 Contest Calendar
> > Message-ID:
> >    <CC83E936118F134EA73F2A277E181CC72A39E0DD51 at selfridge.malibutech.com>
> > Content-Type: text/plain; charset="us-ascii"
> >
> >
> > Tom Brett Memorial Pattern Contest
> > September 7-8, 2013
> >
> > Last chance before district championship to get points.
> >
> > Hope to see everybody here.
> > Flyer attached.
> >
> > Let's get flying
> >
> > Peter G. VanHeusden
> >
> > -------------- next part --------------
> > An HTML attachment was scrubbed...
> > URL: <
> http://lists.nsrca.org/pipermail/nsrca-discussion/attachments/20130419/affb2fb3/attachment-0001.html
> >
> > -------------- next part --------------
> > A non-text attachment was scrubbed...
> > Name: Tom Brett Memorial Pattern Contest_2013.pdf
> > Type: application/pdf
> > Size: 407079 bytes
> > Desc: Tom Brett Memorial Pattern Contest_2013.pdf
> > URL: <
> http://lists.nsrca.org/pipermail/nsrca-discussion/attachments/20130419/affb2fb3/attachment-0001.pdf
> >
> >
> > ------------------------------
> >
> > _______________________________________________
> > NSRCA-discussion mailing list
> > NSRCA-discussion at lists.nsrca.org
> > http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
> >
> > End of NSRCA-discussion Digest, Vol 89, Issue 15
> > ************************************************
> _______________________________________________
> NSRCA-discussion mailing list
> NSRCA-discussion at lists.nsrca.org
> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
>
>
>
>
> --
> *Scott A. McHarg*
> Sr. Systems Engineer - Infrastructure
>
> _______________________________________________ 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
>



-- 
*Scott A. McHarg*
Sr. Systems Engineer - Infrastructure
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.nsrca.org/pipermail/nsrca-discussion/attachments/20130419/ad2608df/attachment.html>


More information about the NSRCA-discussion mailing list