REFLECTOR:N32XL
Jim Agnew
reflector@tvbf.org
Thu Jun 10 22:38:22 CDT 2004
Dave,
When I went to top & bottom fences my roll became slower no
doubt due to the added vertical stablizer effect of the
fences. I may go back and try just the uppers again.
Jim
--- davedent@comcast.net wrote:
> Well guys I flew N32XL this morning with the fences on
> and tape on the aileron gap. I now have a different
> plane. The roll feels a little more heavy but no problem
> on the landing. I kept a very flat attitude at the
> runway more then I do with the EZ's and had complete
> control all the way down. Able to keep the nose off the
> ground till the speed bled off.
>
> I did some slow flight and at 68 Knots IAS it gave me
> plenty of warning before the canard stalled. It was
> dropping very straight with little control needed to hold
> the attitude.
>
> I just have to get use to the much heavier feeling. It
> has more then I did in my Piper Navajo. I am not sure if
> using the votex generators will help that much more.
>
> The only thing that bothered me today was the poor
> aileron trim control. In fact it stinks. I will be
> putting on a MAC for sure in the near future with a
> position read out as well.
>
> By the way someone asked how long my ailerons were. They
> 72 inches long. And Ido not have the elevator cuffs.
> Dave
>
>
> > Hello and welcome Dave!
> >
> > >>and now have encountered the bad landing
> characteristic problems.<<
> > <snip>
> > >>I can't remember ever flying a plane that was so hard
> to put down on the
> > ground, <<
> >
> > Hmmmm, since you have a lot of Canard experience my
> story may not be very
> > relevant but here goes anyway.
> >
> > My first four hours in my XL were miserable! It flew
> very nicely and I enjoyed
> > my time aloft but I dreaded every landing! All my joy
> while flying was tempered
> > by the growing knot in my belly that sooner or later I
> was going to have to land
> > this wicked beast! On every landing I would get down
> into ground effect and the
> > ailerons would just stop working! I could slam the
> stick stop to stop sideways
> > and have almost no impact on the plane at all. I would
> mush and float down the
> > runway with hardly any control. It was scary and
> therefore miserable! Oh how I
> > hated landing!
> >
> > The weird part was that at altitude I could take it
> right down to pitch buck (58
> > Kias) and the ailerons were still quite effective, then
> in the landing at a
> > speed above pitch buck the ailerons would go totally
> dead. Somehow ground effect
> > works to rearrange the airflow and decrease aileron
> authority. I'm only smart
> > enough to make that observation and not smart enough to
> understand why!
> >
> > At the end of my fourth hour Sam DeSilva who is a
> factory approved CFI and who
> > had also made the first flights on my bird was back on
> the airport and watched a
> > couple of my scary horrible floating landings. When I
> shut down Sam told me my
> > problem- it was obvious to an outside observer used to
> Velocities...
> >
> > I was putting in WAY too much flair! Sam told me my
> nose wheel was a solid 12 to
> > 18 inches above the ground when the mains touched. He
> also added that ideally
> > the nose wheel should be 2-4 inches off the ground when
> the mains touch.
> >
> > I was stunned! I KNEW all that and I could have swore I
> was on the verge of a
> > nose wheel strike and here I was flaring it like a
> Cessna. That downward sloping
> > nose was really messing up my sight picture. So since
> Sam said 2- 4 inches I
> > went and got a little piece of 2X4 wood put the plane
> on level ground and placed
> > the 2x4 tall side up under the nose wheel and then just
> sat in the plane for 15
> > minutes getting a good feel of what the world looked
> like out the windows when
> > in the proper landing attitude.
> >
> > Then I went out and shot touch and goes striving for
> that same sight picture at
> > touch down. It worked! It was like night and day!
> Suddenly I could land, it was
> > no longer scary and out of control and the world was
> joyous and good again! From
> > that day forward my rule was always "If the ailerons
> are not working lower the
> > nose!" I never had another problem with control in the
> landing.
> >
> > Thanks again Sam!
> >
> > Now since you are used to canards and downward sloping
> noses this probably is
> > not your problem but then again...
> >
> > Oh, to be clear, the ailerons are still *less*
> effective in ground effect but
> > once I got the nose down into the proper Velocity
> landing attitude I never felt
> > out of control again like I did when I was mushing
> along with the nose way too
> > high.
> >
> > DM Rob
> >
> >
> >
> > _______________________________________________
> > 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
=====
James F. Agnew
Jim_Agnew_2@Yahoo.Com
Tampa, FL
Velocity 173 Elite Aircraft Completed & Flying
More information about the Reflector
mailing list