REFLECTOR: History

steve korney s_korney at hotmail.com
Thu Jul 10 20:33:29 CDT 2008


Ronnie... He's got the one that Alan and Malcolm built in California for the doctor...... Good Velocity...

Best... Steve

> From: romott at mi-connection.com
> To: reflector at tvbf.org
> Date: Thu, 10 Jul 2008 16:35:21 -0400
> Subject: REFLECTOR: History
> 
> Jon,
> 
> There is a pretty good history of the Velocities at Brett's excellent web 
> site http://n44vf.velocityxl.com/velocity_history.php
> 
> The Velocities are great aircraft - and it all started with the Std that 
> Danny, Duane and Scott created!
> 
> Ronnie
> 
> 
> 
> ----- Original Message ----- 
> From: "Jon Bachman" <jbachman at zianet.com>
> To: "'Velocity Aircraft Owners and Builders list'" <reflector at tvbf.org>
> Sent: Thursday, July 10, 2008 2:38 PM
> Subject: Re: REFLECTOR: Aileron Rigging
> 
> 
> > I'm not building (purchased built) but own a Std RG and would like to be
> > able to read about my Velo's "vintage".
> >
> > Jon Bachman
> > N956DR
> > Std RG
> >
> >
> > -----Original Message-----
> > From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
> > Behalf Of doug.holub at tx.rr.com
> > Sent: Thursday, July 10, 2008 11:15 AM
> > To: Velocity Aircraft Owners and Builders list
> > Cc: Ron Brown
> > Subject: Re: REFLECTOR: Aileron Rigging
> >
> > My plans (1987 Standard FG) call for the aileron cables to go under the
> > spar, but I found that the geometry worked out better and there was a 
> > larger
> > turning radius if I ran the cables above the baggage compartment and over
> > the spar. My bell crank points straight up and there's a lovely 90 degree
> > angle there.
> >
> > Is there anybody here on the Reflector building an old standard top door
> > fuselage? If not, I'll quit posting stuff that only applies to that 
> > vintage
> > because nobody probably cares.
> >
> > Doug Holub
> > plane is at the airport!
> > ---- Ron Brown <romott at mi-connection.com> wrote:
> >> Well, look at http://www.velocityaircraft.com/manuals/10_XLR.pdf - the
> > XLRG
> >> goes through the middle of the spar web.
> >>
> >> There appears to be a number of ways to install the aileron controls. My
> >> paper manual that came with the kit in 1999 showed the cable going 
> >> through
> >
> >> the firewall and to the aileron bracket pretty much horizontal.  This
> > causes
> >> the aileron bell crank to come within a 1/4 to 1/2 inch of the valve
> > covers
> >> when the aileron is down - too close for comfort!  The new manuals have
> > the
> >> cable housing coming in from a lower position and hence the bell crank
> >> doesn't travel as close to the valve covers.  My installation provides
> > much
> >> better clearance from the valve covers.
> >>
> >> Ronnie
> >>
> >>
> >> ----- Original Message ----- 
> >> From: "Brett Ferrell" <reflector at velocityxl.com>
> >> To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
> >> Cc: <romott at mi-connection.com>
> >> Sent: Thursday, July 10, 2008 8:48 AM
> >> Subject: Re: REFLECTOR: Aileron Rigging
> >>
> >>
> >> > Ronnie,
> >> >
> >> > That's actually not correct, the current (at least fixed-gear) XL 
> >> > manual
> >
> >> > says to drill just below the spar.
> >> > http://www.velocityaircraft.com/manuals/10_XLF.pdf
> >> >
> >> > Brett
> >> >
> >> >
> >> >>  -------Original Message-------
> >> >>  From: Ron Brown <romott at mi-connection.com>
> >> >>  Subject: Re: REFLECTOR: Aileron Rigging
> >> >>  Sent: 10 Jul '08 07:13
> >> >>
> >> >>  The manual calls for going through the middle part of the web - for
> > both
> >> >> the
> >> >>  XL and Std (mine is a 173 RG).
> >> >>
> >> >>  As I mentioned, I relocated mine to the lower part of the web. The 
> >> >> web
> >
> >> >> is
> >> >>  rather thin - only one or perhaps two plies of BID.
> >> >>
> >> >>  Ronnie
> >> >>
> >> >>  ----- Original Message -----
> >> >>  From: "Keith Hallsten" <KeithHallsten at quiknet.com>
> >> >>  To: "'Velocity Aircraft Owners and Builders list'"
> > <reflector at tvbf.org>
> >> >>  Sent: Thursday, July 10, 2008 12:50 AM
> >> >>  Subject: Re: REFLECTOR: Aileron Rigging
> >> >>
> >> >>
> >> >>  > Ronnie,
> >> >>  >
> >> >>  > You drilled through the spar web for a hole to run the aileron
> > cables
> >> >>  > through?  I'm sure the cables in my XL run entirely below the spar.
> >> >>  >
> >> >>  > Keith Hallsten
> >> >>  >
> >> >>  >
> >> >>  > -----Original Message-----
> >> >>  > From: reflector-bounces at tvbf.org 
> >> >> [mailto:reflector-bounces at tvbf.org]
> >
> >> >> On
> >> >>  > Behalf Of Ron Brown
> >> >>  > Sent: Wednesday, July 09, 2008 11:03 AM
> >> >>  > To: Velocity Aircraft Owners and Builders list
> >> >>  > Subject: Re: REFLECTOR: Aileron Rigging
> >> >>  >
> >> >>  > No, the cable comes out just above the lower spar cap.  If you get
> > too
> >> >>  > low,
> >> >>  > you'll have problems making the transition back to the keel 
> >> >> bracket.
> >> >>  >
> >> >>  > Ronnie
> >> >>  >
> >> >>  > ----- Original Message -----
> >> >>  > From: <cgputney at peoplepc.com>
> >> >>  > To: "Velocity Aircraft Owners and Builders list"
> > <reflector at tvbf.org>
> >> >>  > Sent: Wednesday, July 09, 2008 1:13 PM
> >> >>  > Subject: Re: REFLECTOR: Aileron Rigging
> >> >>  >
> >> >>  >
> >> >>  >> Thanks Ron!   I appreciate the info.   Apparently, the cables
> >> >> penetrate
> >> >>  >> the
> >> >>  >> firewall below the lower spar cap?
> >> >>  >> Gordon
> >> >>  >>
> >> >>  >> ----- Original Message -----
> >> >>  >> From: "Ron Brown" <romott at mi-connection.com>
> >> >>  >> To: "Velocity Aircraft Owners and Builders list"
> > <reflector at tvbf.org>
> >> >>  >> Sent: Wednesday, July 09, 2008 7:37 AM
> >> >>  >> Subject: Re: REFLECTOR: Aileron Rigging
> >> >>  >>
> >> >>  >>
> >> >>  >>>
> >> >>  >>>
> >> >>  >>> Yes, my changes did result in more up than down aileron travel. I
> >> >> don't
> >> >>  >>> have
> >> >>  >>> the measurements since I gave the new owner all of my manuals and
> >> >> paper
> >> >>  >>> notes.
> >> >>  >>>
> >> >>  >>> I have attached two pictures that show the aileron in the  up and
> >> >> down
> >> >>  >>> positions.  The 1/4" socket extension clamped to the inverted
> >> >> aileron
> >> >>  >>> cable
> >> >>  >>> brackets approximate the revised location of the aileron control
> >> >> cables
> >> >>  >>> when
> >> >>  >>> attached.
> >> >>  >>>
> >> >>  >>> Ronnie
> >> >>  >>>
> >> >>  >>>
> >> >>  >>> ----- Original Message -----
> >> >>  >>> From: <cgputney at peoplepc.com>
> >> >>  >>> To: "Velocity Aircraft Owners and Builders list"
> >> >> <reflector at tvbf.org>
> >> >>  >>> Sent: Tuesday, July 08, 2008 8:49 PM
> >> >>  >>> Subject: Re: REFLECTOR: Aileron Rigging
> >> >>  >>>
> >> >>  >>>
> >> >>  >>>> Ron, did your change result in 2.5" down and up?   I want to do
> >> >> this
> >> >>  >>>> change
> >> >>  >>>> as well and would appreciate some numbers on your actual final
> >> >>  >>>> measurements.
> >> >>  >>>> Thanks,
> >> >>  >>>> Gordon Putney
> >> >>  >>>>
> >> >>  >>>> ----- Original Message -----
> >> >>  >>>> From: "Ron Brown" <romott at mi-connection.com>
> >> >>  >>>> To: "Velocity Aircraft Owners and Builders list"
> >> >> <reflector at tvbf.org>
> >> >>  >>>> Sent: Sunday, July 06, 2008 12:13 PM
> >> >>  >>>> Subject: Re: REFLECTOR: Aileron Rigging
> >> >>  >>>>
> >> >>  >>>>
> >> >>  >>>>> Hi Joe,
> >> >>  >>>>>
> >> >>  >>>>> From my RC modeling days, I learned that to minimize adverse
> > yaw,
> >> >> the
> >> >>  >>>>> ailerons should go up more than they go down.  Although we have
> >> >> Frieze
> >> >>  >>>>> ailerons (the nose sticks down when the aileron is up), there 
> >> >> is
> >
> >> >> still
> >> >>  >>>>> a
> >> >>  >>>>> tendency toward adverse yaw.  Especially since the attach point
> >> >> for
> >> >>  >>>>> the
> >> >>  >>>>> aileron cables at the back of the keel is not 90 degrees.
> >> >>  >>>>>
> >> >>  >>>>> So, to improve the situation, I installed my aileron bell 
> >> >> cranks
> >> >>  >>>>> beside
> >> >>  >>>>> the
> >> >>  >>>>> engine with a good bit of bias toward the front.  I also 
> >> >> lowered
> >
> >> >> the
> >> >>  >>>>> attach
> >> >>  >>>>> point for the aileron cable jacket.  This helps relieve the
> >> >> "error" at
> >> >>  >>>>> the
> >> >>  >>>>> keel as well as move the bellcranks away from the engine (but
> > your
> >> >>  >>>>> rotary
> >> >>  >>>>> is
> >> >>  >>>>> narrower than the Lycoming so not an issue).  The aileron bell
> >> >> crank
> >> >>  >>>>> is
> >> >>  >>>>> more
> >> >>  >>>>> like 90 degrees to the cable when the aileron is down.
> >> >>  >>>>>
> >> >>  >>>>> Here's a note that I wrote in 2003 that is repetitive but adds
> >> >> some
> >> >>  >>>>> more
> >> >>  >>>>> info:
> >> >>  >>>>>
> >> >>  >>>>> When I rigged my ailerons, I found it difficult to obtain the
> >> >> equal
> >> >>  >>>>> 2.5"
> >> >>  >>>>> up
> >> >>  >>>>> and 2.5" down that is called for in the manuals - for my 173
> > Elite
> >> >> RG.
> >> >>  >>>>> Since the push/pull cables at the rear of the keel do not have 
> >> >> a
> >
> >> >> 90
> >> >>  >>>>> degree
> >> >>  >>>>> approach angle, the connection of the push/pull cable at the
> >> >> aileron
> >> >>  >>>>> torque
> >> >>  >>>>> tube on the wing, results in ailerons that travel down more 
> >> >> than
> >
> >> >> they
> >> >>  >>>>> do
> >> >>  >>>>> up.
> >> >>  >>>>> This causes an adverse yaw condition which will lead to
> > wallowing
> >> >> at
> >> >>  >>>>> low
> >> >>  >>>>> speeds.
> >> >>  >>>>>
> >> >>  >>>>> I learned this lesson a long time ago when flying RC models. 
> >> >> If
> >
> >> >> you
> >> >>  >>>>> take
> >> >>  >>>>> off at just above stall speed, the model would turn the 
> >> >> opposite
> >> >>  >>>>> direction
> >> >>  >>>>> from that commanded.  This is because the aileron that is going
> >> >> down
> >> >>  >>>>> has
> >> >>  >>>>> more drag than the one going up. This causes the left wing to
> > slow
> >> >>  >>>>> down
> >> >>  >>>>> if
> >> >>  >>>>> you are commanding a right turn at slow speeds.  This is called
> >> >>  >>>>> adverse
> >> >>  >>>>> yaw
> >> >>  >>>>> and is common in older airplanes.  To get a coordinated turn,
> > even
> >> >> at
> >> >>  >>>>> speed,
> >> >>  >>>>> you need to lead with a lot of rudder before applying aileron
> >> >>  >>>>> deflection.
> >> >>  >>>>> Or, you rig the ailerons so that there is more up travel than
> >> >> there is
> >> >>  >>>>> down
> >> >>  >>>>> travel, which will reduce this yaw effect.
> >> >>  >>>>>
> >> >>  >>>>> Cessnas and some other planes (including our Velocities) have a
> >> >> Frieze
> >> >>  >>>>> aileron, which features a lip that hangs down below the wing
> > when
> >> >> the
> >> >>  >>>>> aileron is deflected upwards.  This helps balance the drag from
> >> >> the
> >> >>  >>>>> other
> >> >>  >>>>> aileron which is hanging down in the airstream.
> >> >>  >>>>>
> >> >>  >>>>> Velocities handle fine at higher speeds even with no rudder
> > input.
> >> >>  >>>>> But
> >> >>  >>>>> at
> >> >>  >>>>> lower speeds, if the ailerons are rigged with the 90 degree
> >> >> approach
> >> >>  >>>>> angle
> >> >>  >>>>> at the wing, then this results in more down than up aileron
> >> >> travel,
> >> >>  >>>>> and
> >> >>  >>>>> the
> >> >>  >>>>> adverse yaw condition that some folks have called "wallowing" 
> >> >> on
> >> >>  >>>>> final.
> >> >>  >>>>>
> >> >>  >>>>> A while back, Dave Black pointed out the problem at the keel.
> > One
> >> >> fix
> >> >>  >>>>> is
> >> >>  >>>>> to
> >> >>  >>>>> build a wide bellcrank at the back of the keel so that the
> > aileron
> >> >>  >>>>> cables
> >> >>  >>>>> could be attached at a 90 degree approach angle while in the
> >> >> neutral
> >> >>  >>>>> (centered) condition.
> >> >>  >>>>>
> >> >>  >>>>> The other way is to attach the aileron cable at the wing so 
> >> >> that
> >
> >> >> the
> >> >>  >>>>> approach angle is more than 90 degrees.  Mine are attached at
> >> >> about
> >> >>  >>>>> 120
> >> >>  >>>>> degrees, which results in more up travel than down travel.  My
> >> >>  >>>>> Velocity
> >> >>  >>>>> handles fine at low speeds, with just aileron control, similar
> > to
> >> >> my
> >> >>  >>>>> Cessna
> >> >>  >>>>> 172.  If I need a sharper turn, I'll kick in more rudder, just
> >> >> like in
> >> >>  >>>>> my
> >> >>  >>>>> 172.  But normally, no rudder is needed, all the way down to 
> >> >> the
> >> >>  >>>>> runway.
> >> >>  >>>>> (But I also installed VG's before my first flight, these also
> >> >> improve
> >> >>  >>>>> low
> >> >>  >>>>> speed aileron control).
> >> >>  >>>>>
> >> >>  >>>>> Ronnie Brown
> >> >>  >>>>>
> >> >>  >>>>>
> >> >>  >>>>>
> >> >>  >>>>>
> >> >>  >>>>> ----- Original Message -----
> >> >>  >>>>> From: <jewen at comporium.net>
> >> >>  >>>>> To: "Velocity Aircraft Owners and Builders list"
> >> >> <reflector at tvbf.org>
> >> >>  >>>>> Sent: Saturday, July 05, 2008 11:42 AM
> >> >>  >>>>> Subject: REFLECTOR: Aileron Rigging
> >> >>  >>>>>
> >> >>  >>>>>
> >> >>  >>>>>>I am rigging up my aileron this weekend (173RG.)  I recall
> > several
> >> >>  >>>>>>threads
> >> >>  >>>>>>on the subject in the past, but can't find my notes.  Does
> > anyone
> >> >> mind
> >> >>  >>>>>>refreshing me on the nuances that the manual does not address.
> >> >>  >>>>>>
> >> >>  >>>>>> Thanks,
> >> >>  >>>>>> Joe
> >> >>  >>>>>> _______________________________________________
> >> >>  >>>>>> To change your email address, visit
> >> >>  >>>>>> http://www.tvbf.org/mailman/listinfo/reflector
> >> >>  >>>>>>
> >> >>  >>>>>> Visit the gallery!  www.tvbf.org/gallery
> >> >>  >>>>>> user:pw = tvbf:jamaicangoose
> >> >>  >>>>>> Check new archives: www.tvbf.org/pipermail
> >> >>  >>>>>> Check old archives:
> >> >>  >>>>>> http://www.tvbf.org/archives/velocity/maillist.html
> >> >>  >>>>>>
> >> >>  >>>>>
> >> >>  >>>>> _______________________________________________
> >> >>  >>>>> To change your email address, visit
> >> >>  >>>>> http://www.tvbf.org/mailman/listinfo/reflector
> >> >>  >>>>>
> >> >>  >>>>> Visit the gallery!  www.tvbf.org/gallery
> >> >>  >>>>> user:pw = tvbf:jamaicangoose
> >> >>  >>>>> Check new archives: www.tvbf.org/pipermail
> >> >>  >>>>> Check old archives:
> >> >>  >>>>> http://www.tvbf.org/archives/velocity/maillist.html
> >> >>  >>>>
> >> >>  >>>> _______________________________________________
> >> >>  >>>> To change your email address, visit
> >> >>  >>>> http://www.tvbf.org/mailman/listinfo/reflector
> >> >>  >>>>
> >> >>  >>>> Visit the gallery!  www.tvbf.org/gallery
> >> >>  >>>> user:pw = tvbf:jamaicangoose
> >> >>  >>>> Check new archives: www.tvbf.org/pipermail
> >> >>  >>>> Check old archives:
> >> >> http://www.tvbf.org/archives/velocity/maillist.html
> >> >>  >>>>
> >> >>  >>>
> >> >>  >>
> >> >>  >>
> >> >>  >>
> >> >>  >
> > ----------------------------------------------------------------------------
> >> >>  > ----
> >> >>  >>
> >> >>  >>
> >> >>  >>> _______________________________________________
> >> >>  >>> To change your email address, visit
> >> >>  >>> http://www.tvbf.org/mailman/listinfo/reflector
> >> >>  >>>
> >> >>  >>> Visit the gallery!  www.tvbf.org/gallery
> >> >>  >>> user:pw = tvbf:jamaicangoose
> >> >>  >>> Check new archives: www.tvbf.org/pipermail
> >> >>  >>> Check old archives:
> >> >> http://www.tvbf.org/archives/velocity/maillist.html
> >> >>  >>
> >> >>  >> _______________________________________________
> >> >>  >> To change your email address, visit
> >> >>  >> http://www.tvbf.org/mailman/listinfo/reflector
> >> >>  >>
> >> >>  >> Visit the gallery!  www.tvbf.org/gallery
> >> >>  >> user:pw = tvbf:jamaicangoose
> >> >>  >> Check new archives: www.tvbf.org/pipermail
> >> >>  >> Check old archives:
> >> >> http://www.tvbf.org/archives/velocity/maillist.html
> >> >>  >>
> >> >>  >
> >> >>  > _______________________________________________
> >> >>  > To change your email address, visit
> >> >>  > http://www.tvbf.org/mailman/listinfo/reflector
> >> >>  >
> >> >>  > Visit the gallery!  www.tvbf.org/gallery
> >> >>  > user:pw = tvbf:jamaicangoose
> >> >>  > Check new archives: www.tvbf.org/pipermail
> >> >>  > Check old archives:
> >> >> http://www.tvbf.org/archives/velocity/maillist.html
> >> >>  >
> >> >>  > _______________________________________________
> >> >>  > To change your email address, visit
> >> >>  > http://www.tvbf.org/mailman/listinfo/reflector
> >> >>  >
> >> >>  > Visit the gallery!  www.tvbf.org/gallery
> >> >>  > user:pw = tvbf:jamaicangoose
> >> >>  > Check new archives: www.tvbf.org/pipermail
> >> >>  > Check old archives:
> >> >> http://www.tvbf.org/archives/velocity/maillist.html
> >> >>  >
> >> >>
> >> >>  _______________________________________________
> >> >>  To change your email address, visit
> >> >> http://www.tvbf.org/mailman/listinfo/reflector
> >> >>
> >> >>  Visit the gallery!  www.tvbf.org/gallery
> >> >>  user:pw = tvbf:jamaicangoose
> >> >>  Check new archives: www.tvbf.org/pipermail
> >> >>  Check old archives:
> > http://www.tvbf.org/archives/velocity/maillist.html
> >> >>
> >> >
> >> >
> >>
> >>
> >>
> > ----------------------------------------------------------------------------
> > ----
> >>
> >>
> >> > _______________________________________________
> >> > To change your email address, visit
> >> > http://www.tvbf.org/mailman/listinfo/reflector
> >> >
> >> > Visit the gallery!  www.tvbf.org/gallery
> >> > user:pw = tvbf:jamaicangoose
> >> > Check new archives: www.tvbf.org/pipermail
> >> > Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
> >>
> >> _______________________________________________
> >> To change your email address, visit
> > http://www.tvbf.org/mailman/listinfo/reflector
> >>
> >> Visit the gallery!  www.tvbf.org/gallery
> >> user:pw = tvbf:jamaicangoose
> >> Check new archives: www.tvbf.org/pipermail
> >> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
> >
> > _______________________________________________
> > To change your email address, visit
> > http://www.tvbf.org/mailman/listinfo/reflector
> >
> > Visit the gallery!  www.tvbf.org/gallery
> > user:pw = tvbf:jamaicangoose
> > Check new archives: www.tvbf.org/pipermail
> > Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
> >
> > _______________________________________________
> > To change your email address, visit 
> > http://www.tvbf.org/mailman/listinfo/reflector
> >
> > Visit the gallery!  www.tvbf.org/gallery
> > user:pw = tvbf:jamaicangoose
> > Check new archives: www.tvbf.org/pipermail
> > Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
> > 
> 
> _______________________________________________
> To change your email address, visit http://www.tvbf.org/mailman/listinfo/reflector
> 
> Visit the gallery!  www.tvbf.org/gallery
> user:pw = tvbf:jamaicangoose
> Check new archives: www.tvbf.org/pipermail
> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html

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