Please check for accuracy before your first flight.
I did all the accuracy checks as described bellow. Even after the checks my
airspeed indicator didn't read at low taxi speeds. When we got fast enough the
airspeed jumped up and started reading effectively. It happened around 35 mph.
At ful
I saw that, followed it from a google search, pretty cool way.
I was thinking of pulling ASI out and setting it on my dash board
with a nylo-flow tube hanging out the window and comparing
car speedO with ASI.
> It's a 40-250 so, maybe I just didn't get it going fast enough?
Checking airspeed in
Jeb wrote:
> What do y'all think of these canopy latches?
> http://www.hendricksmfg.com/
> more input gladly accepted.
That's awfully steep, and probably heavy, for what it takes to keep a KR
canopy shut. I put some latches on N56ML (two total, at the rear) and
N891JF came with a very similar
Thanks for the input.
Guess I'll look at it, next time I have the fuel tank/front deck off.
I may just have mis-sized springs.
I took 2 degrees of pitch off my prop, got static rpm up to 4750.
Did a high(ish) speed taxi. I thought I was going about 40-45 - but the
ASI never budged. Got a friend
Jeb, I did as Mark did. Simple and precise, a closed loop system like the
aileron controls are a closed loop system. I don't have a photo to post
right away...
John Bouyea
N5391M/ KR2
OR81/ Hillsboro, OR
2015 KR@MMV Gathering CoHost
> My question - does anybody use pulley(s) cables to inter-connec
At 06:17 PM 10/2/2017, you wrote:
My question - does anybody use pulley(s) cables to inter-connect
rudder pedals? I'm currently using a spring on each. Any thought on
pulley/cable - pictures/drawings?
___
+
Jeb wrote:
> My question - does anybody use pulley(s) cables to inter-connect
rudder pedals?
I used two small MS pullies located in front of the left and right-most
uprights, with a 1/16" cable between them, using the rudder turnbuckle
sto take the slack out. It has worked flawlessly, never
I'm planning on using Springs. Keeping it simple.
Paul Visk Belleville Il 618-406-4705
Sent from my Verizon, Samsung Galaxy smartphone
Original message From: jeb via KRnet
Date: 10/2/17 6:17 PM (GMT-06:00) To: krnet@list.krnet.org Cc: jeb
Subject: KR> rudder peda
well, since retirement, I've gotten back to work on my Subaru (turbo)
powered KR.
Got a hangar and moved it over to the airport. Getting 4300-4400 rpm
static with Warp drive 3 blade (60in) prop. Manual boost controller set
mid-scale. Innovate boost gauge showing about 5-8 inches.
After dr
Dear Ya'll,?How do I get more rudder travel?The plans say that I should be
getting 30 degrees of travel on the rudder in both directions, I am getting 15
degrees left and 15 degrees to the right.
I have floor mounted rudder pedals built to plans with nylon blocks.
?Turnbuckles are located in
, Samsung Galaxy smartphone
Original message From: bjoenunley via KRnet Date: 11/17/16 4:55 PM (GMT-07:00) To: KRnet Cc: bjoenunley Subject: KR> Rudder
???
Dear Ya'll,?How do I get more rudder travel?The plans say that I should be
getting 30 degrees of travel on the rudder
Just to say thanks for responses re rudder size. Would seen plan size to 10
percent larger seems to be consensus.
Bill Weir
-Original Message-
From: Mark Langford via KRnet
Sent: Friday, July 8, 2016 7:22 AM
To: KRnet
Cc: Mark Langford
Subject: Re: KR> RUDDER SIZE
Mark Langford
ML at N56ML.com
Mark wrote:
The plane slips at a crazy sharp angle and drops like an elevator while
doing it, so I like my tal
via KRnet
Sent: July 8, 2016 10:23 AM
To: KRnet
Cc: Mark Langford
Subject: Re: KR> RUDDER SIZE
N56ML's rudder is 3.5" taller than the KR2S plans call for, and has an
aerodynamic balance to lighten the load on it. I say that, but the plans
don't actually have a dimension on
N56ML's rudder is 3.5" taller than the KR2S plans call for, and has an
aerodynamic balance to lighten the load on it. I say that, but the plans
don't actually have a dimension on that, you have to scale it (1/4) to
get 40.5" tall at the trailing edge. My rudder is a total of 44" tall at
the tra
l go off the runway. Not that I would normally do that but I have to have
> the safety factor built in. Check the archives as I had listed it in square
> feet as opposed to trying to give dimensions.
> Joe Horton
>
> - Original Message -
> From: "ol' weirdo via KR
--- Original message ----
?
Subject: Re: KR> RUDDER SIZE
28mph crosswind? Joe, I've flown jets that couldn't handle that!
Kolbjern Seth
?
___
Sounds like I need to get to know Joe. ?I plan to enlarge my rudder with carbon
fiber but have not done so yet, more because I would need to order more foam to
be able to do it than anything else. ?We have a pretty constant cross wind at
my house and I don't want to have any reason not to fly.
Bill Weir said,
"Would appreciate any comments any of you would have concerning the size
of
the KR2 rudder. Is it too small, is it larger than required, or is it
just
right?"
Mine is a KR-1? and the KR-2 I owned was so long ago I wouldn't want to
give a rudder evaluation at this late date. In t
Bill,
I had made a couple posts on this subject in the past year. I am currently
building my second 2s and it does need more rudder. As someone already
mentioned it could use it for slips as well as ground handling. But the
defining moment for me was landing and taking off in pre-hurrican winds
bj?rn Seth
Subject: Re: KR> RUDDER SIZE
28mph crosswind? Joe, I've flown jets that couldn't handle that!
Kolbjern Seth
?
I would say it is certainly not too big. I like good rudder authority myself.
Would appreciate any comments any of you would have concerning the size of
the KR2 rudder. Is it too small, is it larger than required, or is it just
right?
Thanks,
Bill Weir
weirdo
Subject: KR> RUDDER SIZE
Would appreciate any comments any of you would have concerning the size of
the KR2 rudder. Is it too small, is it larger than required, or is it just
right?
Thanks,
Bill Weir
___
Search the KRnet Archives at h
At 02:39 AM 6/4/2016, you wrote:
>whats the issue with stock kr tubular rudder pedals?
The right pedal is torqued across it's entire length when the pilot
uses right rudder, highest loads with a tail wheel on the ground. My
right pedal broke at the 90 de
The plans have always called for only two rudder hinges, one is also the
lower bellcrank, and the other is just a hinge. The three hinge thing
came from Australia's aviation authorities, if I remember correctly, or
at least the elevators gained a hinge per side from them. I'm not sure
about t
Chris Pryce said,
> "After my visit I looked up the KR-1 info and the plans show only two
rudder
hinges. I'm guessing that's the reason for your plane only having two."
Hi Chris. I was checking Sparky's rudder play and it has a little bit -
less than mine. Sparky re-built Bob Passmore's KR-2,
Mike,
After my visit I looked up the KR-1 info and the plans show only two rudder
hinges. I'm guessing that's the reason for your plane only having two.
Chris Pryce
>
>Does anybody worry about a little looseness in a rudder hinge?
>Mike
+++
Without looking at the plans I don't recall if it requires 2 or 3
hinges or if that advise was in a newsletter but three is better. As
for the "slop" , I've seen some pr
Best to follow Chris Kinnaman's advice.
Lets us not forget that 'any' amount of 'play' or 'slop' takes a toll on
contacted parts over time through the effects of high impact stress and
friction; no matter how small. This can lead to damaged and/or failing
parts that seem to happen out of nowhere.
Play in a control surface hinge is flutter waiting to happen. I would
try to take care of it ASAP. Just because it hasn't happened yet doesn't
mean it won't. Just the wrong amount of "excitation" could get it
started. I've had good results with dry lubes containing teflon (PTFE)
or motorcycle c
s.php?clickkey=22817
Joe Cruz
cruzj12 at frontiernet.net
KR1.5 N3151K.sanding for final paint
KR2S builderrebuilding wing fuel tanks
On Fri, 8/28/15, Mike Stirewalt via KRnet wrote:
Subject: KR> Rudder hinge play
To: krnet at list.krnet
I was told recently the plans call for three rudder hinges. I've only
got two. Of those two, the one at the top had some forward/rear play. I
can "jiggle" it front to back. I can clearly see the bolt, castlenut &
cotter pin and have access to pull the bolt and put another one in if
necessary.
At 09:43 AM 7/1/2015, you wrote:
>Hi netters,
>I am at the way to install the rudder cables
>What is your ideas?
++
In the
photo https://dl.dropboxusercontent.com/u/32133949/IMG_8717.JPG
you can see the forward half of the cables as they pass through the
co
The 150/152 rudder stops on the rudder horn was in response to loss of control
issues during training specifically spin training
The original stops were much smaller and could jump over the adjustment stop
resulting in jammed rudder and several deaths
Regarding stress on cables as a former 152
At 09:35 AM 6/9/2015, you wrote:
>I've had wire cables fail two ways for me. One way, is where the
>crimp/soldered end/etc tears off the end of the cable. I think I've had
>that happen three or four times over my lifetime. The other failure I've
>had is midpoint wire breakages.
+
I'm about to make an argument for stops at the surface only. I think I've
got a good argument here.
I've had wire cables fail two ways for me. One way, is where the
crimp/soldered end/etc tears off the end of the cable. I think I've had
that happen three or four times over my lifetime. The oth
>
>"Hey Guys, Looks like I'll be doing Rudder stops as an afterthought.
>What's the best place and method for this ?"
+
When it comes to stress loads on the control systems in my KR, I'm
convinced the greatest s
"Hey Guys, Looks like I'll be doing Rudder stops as an afterthought. What's the
best place and method for this ?"
I don't often contribute but I think this time it is important. My take on
this is;
I am installing stops at both ends. The reason: I hear it is accepted good
practice to s
The highest loads you'll ever put on your rudder cables and rudder horn are
when you are braking if you have toe brakes. The Tony Bingelis books advise
using stops at the control surfaces to prevent overload and damage at the
control surface hinges when parked with a tailwind, should you happen
too hard. So
it looks like we have a reason for something to protect the flight surface from
banging over too far, and also the control cable and related from being
stressed. Why not both?
> Date: Mon, 8 Jun 2015 13:02:04 -0400
> To: krnet at list.krnet.org
> Subject: Re: KR>
Ever look at a Cessna?
The control stops are at the control surfaces to prevent over stressing the
surface due to flight loads, not pilot input.
Just sayin'
Chris G.
Sent from my iPad
> On Jun 7, 2015, at 10:00 PM, Flesner via KRnet
> wrote:
>
> At 08:52 PM 6/7/2015, you wrote:
>
>> I would
At the rudder pedals, Virg
On 6/7/2015 7:01 PM, Mike Sylvester via KRnet wrote:
> Hey Guys, Looks like I'll be doing Rudder stops as an afterthought. What's
> the best place and method for this ?
>
> Mike Sylvester
> kr2s builder
> Birmingham,AL.
>
> Cell no.205-966-3854
I would disagree with Larry on that one.
The control surface stops should be as close to the control surface as possible.
It is a Canadian requirement to have control stops on all control surfaces.
My rudder stops are where the control horn meets the fuselage. A simple bracket
was added with adjus
At 08:52 PM 6/7/2015, you wrote:
>I would disagree with Larry on that one.
>The control surface stops should be as close to the control surface
>as possible.
++
Why do I want to stress the entire system, cable, fare leads,
pulleys, and
>, Looks like I'll be doing Rudder stops as an afterthought. What's
>the best place and method for this ?
>Mike Sylvester
++
Method will depend on your setup but put them at the rudder bar and
not on the tail. You don't w
Hey Guys, Looks like I'll be doing Rudder stops as an afterthought. What's the
best place and method for this ?
Mike Sylvester
kr2s builder
Birmingham,AL.
Cell no.205-966-3854
>
>
>I'm looking for a set of rudder pedals with toe brake fittings or
>maybe a set of experienced plans for the Hegar hydraulic cylinders to
>replace the original brake-less rudder pedals.
+++
For top mounted rudder pedals you might try thi
The highest load on your rudder pedals will happen under hard braking if you
have hydraulic toe brakes. At that point, your pedals aren't going to be
anywhere near the stops. The left pedal isn't a problem so much as the right
pedal because your feet are on the left side, but the right pedal i
Jeff Scott wrote:
> The highest load on your rudder pedals will happen under hard braking if you
> have hydraulic toe brakes.
And it goes without saying that if you stand on the brakes while landing,
you're probably going to have to buy another prop and crank if you have a
taildragger! Full
You are right on Jeff, it was my rt. petal that bent.Sparky
This may effect Tail dragger more then nose wheel, but we must check the
pedals regularly .
No probs yet at 540 hours (nose wheel)
I check my pedals at all annuals, I have made my next ones stronger as it
will be a T/ Wheel, for more fun.
Phil Matheson
-
Thanks Steve. Good info.
TK
On 11 September 2014 10:17, Steve G. via KRnet wrote:
> The plans rudder pedals were .035. They were upgraded to .049 with
> hydraulic brakes but was still problematic. We make all of ours from . 058.
> Not much weight gain but much safer/ stronger.
>
> Steve Glover
Belleville Il
618 406 4705
Sent on the new Sprint Network from my Samsung Galaxy S?4.
Original message From: Jeff Scott via KRnet
Date:09/11/2014 10:48 AM (GMT-06:00)
To: 'KRnet' Subject: Re: KR>
rudder pedals
The highest load on your rudder pedals will happen
My builders guide shows the rudder pedals as bent tube rather than welded.
Has anyone built them this way? What are the pros and cons?
TK
I plan on adding stop blocks extending aft from the firewall to the pilot side
pedals for those moments when reaction happens faster than rational thought.
This will add literally zero pounds.
Enjoyed the conversations at the Gathering last week.
Roger
Owasso, OK
Paul Visk via KRnet wrot
Just as a side note on bending. In our manufacturing business we've made
hundreds of thousands of bends on tubing. We've owned and used Swiss made
mandrel benders and regular hydraulic benders. The mandrel benders if adjusted
properly maintain the roundness of the tubing as it's being bent. Wit
At 09:38 PM 9/10/2014, you wrote:
>Take it to someone who builds custom headers and has a 'mandrel' bending
>machine.
+
I just can't imagine a setup
( http://www.n56ml.com/pedals/00012802.jpg ) or (
http://myplace.frontier.com/~flesner/bra
et a little creative because
of the smaller overall diameter tube, but it should be doable.
JMHO
Mark W.
N952MW (res)
-Original Message-
From: KRnet [mailto:krnet-bounces at list.krnet.org] On Behalf Of Mark Langford
via KRnet
Sent: Wednesday, September 10, 2014 9:21 PM
To: KRnet
Subject: R
Tony King wrote:
> My builders guide shows the rudder pedals as bent tube rather than welded.
> Has anyone built them this way? What are the pros and cons?
Bent would be stronger than welded, as there would be "no heat affected
zone" to weaken the parent material, as you get from welding. A CN
8 406 4705
Sent on the new Sprint Network from my Samsung Galaxy S?4.
Original message From: Flesner via KRnet
Date:09/10/2014 6:01 PM (GMT-05:00)
To: KRnet Subject: KR> rudder
pedals
At 02:25 PM 9/10/2014, you wrote:
>What Sparky doesn't mention is that in try
At 05:52 PM 9/10/2014, you wrote:
>My builders guide shows the rudder pedals as bent tube rather than welded.
> Has anyone built them this way? What are the pros and cons?
>TK
Just my opinion but the welded (reinforced 90 degree corner
Yes
, that is good Steve. Mine were .035.
The plans rudder pedals were .035. They were upgraded to .049 with hydraulic
brakes but was still problematic. We make all of ours from . 058. Not much
weight gain but much safer/ stronger.
Steve Glover
Sent from my iPhone
> On Sep 10, 2014, at 15:01, Flesner via KRnet wrote:
>
> At 02:25 P
At 02:25 PM 9/10/2014, you wrote:
>What Sparky doesn't mention is that in trying to "keep it light," he lost
>his rudder because the tubing he and Murray used to fabricate the rudder
>pedals broke at a critical moment when he was caught by a gust on
>landing.
+++
Dene Collett wrote:
> Can somebody who has their plans handy please give me the measurement of
> the
> rudder pedals from the hinge point centre to the cable attach.
4", assuming you mean using hinges attached to the bottoms of the rudder
bars.
Mark Langford
ML at N56ML.com
website at http://w
Can somebody who has their plans handy please give me the measurement of the
rudder padals from the hinge poing centre to the cable attach. My plans are
not available right now so can't check myself.
Thanks
Dene
Regards
Dene Collett
www.denecollett.com
-Original Message-
From: KRnet [mail
What a cool idea! Could also be a pivoting bar like on the pietenpol. Peter
Stirrups on the end of the cables. Sorry, it is Friday.
Original Message
Subject: KR> Rudder pedals
From: via KRnet
List-Post: krnet@list.krnet.org
Date: Fri, May 16, 2014 11:15 am
To: krnet at list.krnet.org,krnet-request at list.krnet.org
>
>My KR rudder pedal
sure if anyone has ever broken one or not.
Brian Kraut
Original Message
Subject: Re: KR> Rudder pedals
From: Chris Gardner via KRnet
List-Post: krnet@list.krnet.org
Date: Fri, May 16, 2014 8:42 am
To: KRnet
Phil.
I would definitely recommend going up a few sizes on w
Phil.
I would definitely recommend going up a few sizes on wall thickness (.058) on
the rudder tubes as I bent them twice trying to stop on a short runway.
The right hand one is really the culprit not so much the left one due to the
torque you can apply when the adrenaline starts flowing and the
>
>My KR rudder pedals have no tubing, just cables running directly back to
>the rudder
>Mike Stirewalt
+++
What are the cables attached to and what transfers the movement of
your feet to the cables?
L
>
>My KR rudder pedals have no tubing, just cables running directly back to
>the rudder
>Mike Stirewalt
+++
What are the cables attached to and what transfers the movement of
your feet to the cables?
Larry Flesner
plans. A
gust caught him when flaring here at KSEE and in recovering broke the
rudder tubing which left him without rudder. He ended up clipping
something stationary and breaking his left wing and pretty much messing
the plane up beyond repair. So . . . don't skimp on the rudder tubing
Mine broke also. My KR had at least 100 hours on it with the old
mechanical brakes and a pull cable. I added hydraulic brakes on the
rudder pedals and I snapped a joint like Larry during my initial taxii
testing and almost took out some lights at the end of the runway.
What I did was to get some
; compare the two thicknesses. Give me a call .
>
> Paul Visk
> Belleville Il
> 618 406 4705
>
> Sent from my HTC on the Now Network from Sprint!
>
> - Reply message -
> From: "Phillip Hill via KRnet"
> Date: Mon, May 12, 2014 5:08 pm
> Subject: KR> Rud
>. The 5/8 x .035" tubing seems a
>bit "springy" to me. Did everyone else use this tubing for their rudder
>pedals or did you go up to .049"?
+++
The .035 tubing is o.k. but REINFORCE THE 90 DEGREE CORNERS on the
side to side runs. The righ
print!
- Reply message -
From: "Phillip Hill via KRnet"
List-Post: krnet@list.krnet.org
Date: Mon, May 12, 2014 5:08 pm
Subject: KR> Rudder pedals
To: "KRnet"
Hi guys, I'm working on my rudder pedals. The 5/8 x .035" tubing seems a
bit "springy&quo
Hi guys, I'm working on my rudder pedals. The 5/8 x .035" tubing seems a
bit "springy" to me. Did everyone else use this tubing for their rudder
pedals or did you go up to .049"?
Phill Hill
Collinsville, IL
I appreciate the responses...here is a picture of what I have come up with
so far. I flipped over the pedals on the assembly I had and added an
extension to the pedals to attach the cylinders to the pedal side. I
spread the pedals apart wide enough to clear the cylinders ok. I like the
idea of a
>I wanted to hang the pedals because the floor of the
>fuselage is uneven. Has anyone hung pedals that have brake cylinders
>attached?
+
I consider "hanging pedals" to be the preferred method. There is
nothing on the floor to interfere
Jon,
I have hung my pedals from the "C" box at the fire wall with brake cylinders
attached to the pedal arms similar to Larry Flesner's set up. I had to
re-work the installation when I found the KR pedals were too narrow for my
shoe to fit between the rudder pedal arm and the master cylinders.
Larry F. has a good method for hanging them and I am sure he will advise you on
that. For the tension, connect the system in a closed loop by connecting the
outside pedal on both sides via a pulley attached to the firewall. Use a
turnbuckle to be able to adjust the tension.
On Tuesday, July
I was working on rudder pedals and have come across a couple of things.
The first is that I wanted to hang the pedals because the floor of the
fuselage is uneven. Has anyone hung pedals that have brake cylinders
attached? I think I have come up with a way that will work well and will
send picture
What did you guys do for a rudder horn who used the ROD END Bearing hinges??
with the new aerofoil.
Did you use the same as plans?
The R/R horn is linked with the hinge to help carry the load and the
pressure on the cables when the brakes are used.
Phil Matheson
_
At 11:31 PM 11/11/2010, you wrote:
>Sparky
>thought they had used extra-thin aluminum but from what I'm learning with
>this incident of Larry's it appears that's what was in the plans.
>
>Mike
+
The peddles are made of steel,
> When I pressed the right brake peddle to stop the turn the entire
peddle, along with the
master cylinder fell off on the floor.
This is how Sparky lost his original KR. He was flaring here at SEE, got
caught with a gust/whirlwind and when he stomped on the rudder while
recovering it broke leav
The original Rand pedals were made from .049 wall 4130. We make ours from .058
as this was a common problem once the use of hydraulic brakes became more
prevalent.
Steve Glover
Sent from my Verizon Wireless BlackBerry
im running with the AS5046-75 airfoil on my tail section. Ive changed my HS
to 96" .. How high from the HS should I make my rudder to be stable?
David Swanson
I disagree on the springs. I have tried them both, and the closed system
works much better. However, your results do vary.
See N64KR at http://KRBuilder.org - Then click on the pics
See you at the 2009 - KR Gathering in Mt. Vernon, Ill
There is a time for building and a time for FLYING and the t
At 05:05 PM 8/5/2009, you wrote:
>So, what you must be sure to do then, it to always keep your feet on the
>pedals with some pressure. I suggest adding turnbuckles in a closed system.
>You can fly this plane with no feet except for take off and landing.
>Daniel R. Heath - Lexington, SC
+++
Uh - have to disagree - the springs, or a balance cable, will hold adequate
tension on the pedals to allow you to take your feet off the pedals in
flight. In calm air mine flies quite well hands and feet off.
Rick Human
N202RH
Houston, Tx
Daniel R. Heath wrote:
So, what you must be sure to do t
So, what you must be sure to do then, it to always keep your feet on the
pedals with some pressure. I suggest adding turnbuckles in a closed system.
You can fly this plane with no feet except for take off and landing.
See N64KR at http://KRBuilder.org - Then click on the pics
See you at the 2009
There was a post recently about were to mount turnbuckles for the rudder
cables. I dont use turnbuckles on the rudder cables , I dont see the need
as you actually tension the cables with your legs. What I have done is make
a strap of 4130 @ 3 to 4 inches long and ¾ wide (obviously sizing can be
time for Flying
has begun.
Daniel R. Heath - Lexington, SC
-Original Message-
Subject: KR> Rudder turnbuckles locations
What is the general consensus on the location of the turnbuckles for the
rudder?
Hey builders.
What is the general consensus on the location of the turnbuckles for the rudder?
Putting them at the pedals could be hard to get to but would clean up the
outside. I have a removable forward deck and header tank.
Putting them at the rudder horn makes them accessible.? Although the de
Behalf
Of Dan Heath
Sent: Wednesday, November 05, 2008 6:11 PM
To: kr...@mylist.net
Subject: KR> Rudder Trim
I am thinking about adding a rudder trim and want it to be electric. What I
want is one that is totally internal to the rudder, not like the elevator
trim that has the push rod sticking o
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