[NSRCA-discussion] Air Breaks

[Ed Alt]

I suspect that the main reason the spoilerons (?) help in crosswind and gusty conditions is that you are naturally carrying more speed to hit your landing target and you can maintain better roll control as a result.  Maybe there are other factors, but I do know that I land a little faster and more accurately with them.

Ed
  ----- Original Message ----- 
  From: Ed Deaver 
  To: NSRCA Mailing List 
  Sent: Saturday, May 13, 2006 7:49 PM
  Subject: Re: [NSRCA-discussion] Air Breaks


  I use the "spoilers" as we call them a little different than has been mentioned.  

  Use 10-25% up ailerons but I don't mix in any Elevator.  My reasons are simple, don't need it for landing.  As I am flying the downwind leg and activate the spoilers the plane pitches up, and actually have used them for spins on very calm days, but as soon as the plane slows down a bit it flies level.  For me to add the mix in destroys the glide path I like.

  The spoilers do have a very noticeable effect on cross wind landings suprisingly, eliminating a lot of the choppy effect but I don't understand why.

  Have done this method on 3 different style planes all with the same result.

  ed

  John Pavlick <jpavlick at idseng.com> wrote:
    Bill,
    What plane are you trying this on? I have my both my Focii set up with this
    and I like it. I use ailerons up and down elevator. In Futaba land I have
    +30% Flaps (ailerons up) [= ~ 5 degrees] and -20% elevator (down) but you'll
    need to experiment. On some planes I use very little down elevator in the
    mix, I just do it manually when I land. I found that using the "airbrakes"
    helps me to be able to transition into a nearly flared condition very early
    on final without worrying about any tip stalling. You basically head
    downwind, chop the power, hit the airbrakes and point the nose down. When
    you get close, start to raise the nose and bleed off speed. You can then
    drag the plane to the mark with a little power if you need to. Try it at a
    field where you have some room. You may find that you undershoot the first
    few landings until you get used to how the plane comes down with the
    airbrakes on.

    John Pavlick
    http://www.idseng.com


    > -----Original Message-----
    > From: nsrca-discussion-bounces at lists.nsrca.org
    > [mailto:nsrca-discussion-bounces at lists.nsrca.org]On Behalf Of
    > Bill Markovitz
    > Sent: Saturday, May 13, 2006 10:00 AM
    > To: nsrca-discussion at lists.nsrca.org
    > Subject: [NSRCA-discussion] Air Breaks
    >
    >
    > I'm interested in using the air brake function for
    > slower and more controlled landings. Any suggestions
    > for a starting point on the aileron and elevator
    > throws would be appreciated. Is it better to have the
    > ailerons up and the elevator down or the ailerons down
    > and the elevator up?
    >
    > Thanks, Bill :)
    >
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