 |
Matronics Email Lists
Web Forum Interface to the Matronics Email Lists
|
| View previous topic :: View next topic |
| Author |
Message |
fox5flyer(at)i-star.com
Guest
|
 Posted: Wed Sep 20, 2006 5:16 am Post subject: adverse yaw |
 |
|
I have to chime in here.
My first KF was a model II, before there was much differential introduced in
the flaperons. Personally, with all the adverse yaw that airplane had I
don't think it was possible to successfully fly, much less land it, without
the rudder. With feet flat on the floor, left stick would just make the
nose turn right, but the airplane would just skid along straight ahead. I
once, without using rudder, tried to make a very large pattern into a large
runway (Wurtsmith AFB MI) and I found it nearly impossible to make any sort
of normal turn. I gave it up and decided that during my annual inspections,
the rudder cables and connections would be the items #1 on my list of
things to check. That being said, I loved that II. It only took a short
time for the rudder work to become second nature and it was a joy to fly.
My S5 is much better, but still has some adverse yaw.
Deke
---
| | - The Matronics Kitfox-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Kitfox-List |
|
|
|
| Back to top |
|
 |
Richard Rabbers
Joined: 09 Jan 2006
Posts: 114
Location: Benton Harbor, MI - USA
|
| Posted: Wed Sep 20, 2006 5:45 am Post subject: Re: adverse yaw |
|
|
thanks for the input Deke.
I expect to be active on the rudder, and also lots of fun!
| | - The Matronics Kitfox-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Kitfox-List |
|
_________________
Richard in SW Michigan
Model 1 / 618 - full-lotus floats (restoration) |
|
| Back to top |
|
|
Michel
Joined: 10 Jan 2006
Posts: 966
Location: Norway
|
| Posted: Tue Oct 03, 2006 9:45 am Post subject: Adverse yaw |
|
|
Friends, I read that you are talking about the adverse yaw of different
aircraft.
When I first met my Kitfox, I had only a few hours with an instructor.
She smiled at me and I smiled back and decided to make a honest
aircraft of her. As soon as she became mine, and before I found a
taildragger instructor, I was told, from different holds, that she was
a difficult lady, certainly not a beginner's plane. Easy to ground
loop, ugly stall characteristics and much adverse yaw; the list was
long.
Yet, after I started flying her with an instructor, then later alone, I
found her very gentle and our love story is now history.
I fly a Kitfox 3. It has the old symmetrical flaperon displacement.
When I take her up, I need a bit of right-hand pedal to counter the
prop effect. But I think it's the same for all single engine aircraft,
isn't it? And when I turn gently ... I don't need any rudder, really.
Only when I take her a bit hard, e.g. doing very square traffic
pattern, and I swing her in a sharp 45 degrees bank to a 90 degrees
turn, do I need to put her on track with the pedals. And she seems to
enjoy it.
Maybe it's a question of semantic but the word "adverse" is, in my
humble opinion, not appropriate for a Kitfox, even a model 3. My gal is
all too willingly!
Cheers,
Michel
do not archive
| | - The Matronics Kitfox-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Kitfox-List |
|
_________________
Kitfox 3 - Jabiru 2200 |
|
| Back to top |
|
|
Aerobatics(at)aol.com
Guest
|
| Posted: Tue Oct 03, 2006 11:44 am Post subject: Adverse yaw |
|
|
It really depends on which model and where the CG is. The center of side area is most forward on the model 1 and 2. In fact, in this persons opinion, just a bit too far forward, and sure enough, as time passed, with longer and larger fin/rudders were added, this was improved dramatically, starting with the model 3.
I have flown a 2, 4 and 5. There are huge differences. I own a KF 2 and by sealing the rudder and a forward CG, its not bad, yet it still has quite a bit of adverse yaw. Before sealing rudder, if I just gave a bit of aileron, it would yaw strongly the wrong way... Just needed to be learned and I dont think about it any more. But know it BEFORE your first flight.
I might add, differential aileron throws ( model 4 onwards I believe) really helps a lot..
There is a benefit of the forward aerodynamic center, that makes for a VERY effective rudder, where as the #5 has a large fin/rudder but very stiff. i.e. hard to displace. for obvious reasons...
Everything is a compromise!
Dave
[quote][b]
| | - The Matronics Kitfox-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Kitfox-List |
|
|
|
| Back to top |
|
|
Michel
Joined: 10 Jan 2006
Posts: 966
Location: Norway
|
| Posted: Tue Oct 03, 2006 1:10 pm Post subject: Adverse yaw |
|
|
On Oct 3, 2006, at 9:43 PM, Aerobatics(at)aol.com wrote:
| Quote: | There is a benefit of the forward aerodynamic center, that makes for a
VERY effective rudder
|
This is very interesting, Dave, unfortunately I don't understand what
"forward aerodynamic center" is. Could you explain, please? Thanks in
advance.
Michel
PS: I also have gap-sealed rudder.
do not archive
| | - The Matronics Kitfox-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Kitfox-List |
|
_________________
Kitfox 3 - Jabiru 2200 |
|
| Back to top |
|
|
|
|
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You can download files in this forum
|
Powered by phpBB © 2001, 2005 phpBB Group
|
Get Email Distribution Too!
FAQ
Search
Memberlist
Usergroups
Register
Profile
Log in to check your private messages
Log in
