Robert Emery
  • Perth Western Australia
  • Australia
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Robert Emery posted a blog post

Rudder Vibration on take off

i am experiencing rudder shimmy through right pedal just after lift off.My 601 is 6yo, 350 hrs Jabiru 3300.  My hrs 800.i have checked cable tensions, all ok.  It settles after about 5 seconds of applying rt and or left rudder.ball is in centrei have removed wheel pants, no change.any suggestions?Bob Emery, Perth W AusSee More
Apr 6
Robert Emery posted a photo
Oct 8, 2017
Robert Emery posted photos
Apr 5, 2014
Robert Emery posted a status
"Auto Pilot - Dynon, now up and running. I was not happy with the location ofthe elevator servo, moved it to hang from luggage shelf. OK now"
Apr 5, 2014
guido meens left a comment for Robert Emery
"Hi Robert only just seen your friend request from January because I had an old page with my old email address and my old 601XL In was not ignoring your communication but just not thinking that there would be activity on my old page which I now…"
Dec 26, 2012
Robert Emery posted a photo
Sep 24, 2012
Robert Emery posted a status
"Just completed a great trip east to west across Australia, 25 hrs flying in my Jabiru powered 601 Bob"
Sep 24, 2012
Peter Lalor left a comment for Robert Emery
"Hi Bob,  Although I live in WA, I live in Exmouth which is 1200km North of Perth. My 601XLB is also up here and I now have about 50 flying hours on it. I have yet get my Nav endorsment but hope to do it maybe next month. I have an EA81 as the…"
Apr 3, 2012
Robert Emery posted photos
Nov 17, 2011
Robert Emery posted a status
"Can anyone point me to a soft canopy cover manufacturer for a Zodiac 601 XL? Bob Newcastle NSW Australia"
Aug 20, 2011
Robert Emery posted a status
"Today I flew for the FIRST TIME, nervous as hell, flew great, but Jabiru cyl 2,4,6 hotter than 1,3,5. EGT OK Constructive ideas? Bob Emery"
Jun 25, 2011
Robert Emery posted photos
May 15, 2011
Robert Emery posted a photo
Apr 26, 2011

Profile Information

Aircraft Model
ZODIAC CH 601, ZODIAC CH 650
Project Status
Flying
Building From
Kit
Building Experience
Have already built an airplane
Flying Experience
Private Pilot
Building and Flying Info / Your Profession / Other Background Info
Electrician / Trainer

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Robert Emery's Blog

Rudder Vibration on take off

Posted on April 6, 2018 at 4:10pm 6 Comments

i am experiencing rudder shimmy through right pedal just after lift off.

My 601 is 6yo, 350 hrs Jabiru 3300.  My hrs 800.

i have checked cable tensions, all ok.  It settles after about 5 seconds of applying rt and or left rudder.

ball is in centre

i have removed wheel pants, no change.

any suggestions?

Bob Emery, Perth W Aus

Jabiru CHT temps high one one side - EGT's OK.

Posted on June 25, 2011 at 2:25am 3 Comments

Jabiru CHT temps high, on 2,4,6, but 1,3,5 OK.

All EGT OK.

I flew my new Zodiac for the first time today, It was great, except for the high CHT.

I had someone else fly it first, did my GA conversion and flew it today.  I was told cyl 4 was too hot (170 C), so I installed a baffle in the ram air duct above cyl 4. (Jabiru 3300), The test are much cooler.

When I flew it cyl 6 was hottest.= the baffle cut air to 6.

I tried cutting off the lip on the cowl, and…

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Comment Wall (10 comments)

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At 2:28am on December 26, 2012, guido meens said…

Hi Robert only just seen your friend request from January because I had an old page with my old email address and my old 601XL In was not ignoring your communication but just not thinking that there would be activity on my old page which I now deleted Hope to see you one day I am at Bunbury and  I now fly an 601XL-B (photo's on this site) Merry Christmas greetings Guido

PB230024.JPG

 

At 8:46pm on April 3, 2012, Peter Lalor said…

Hi Bob,  Although I live in WA, I live in Exmouth which is 1200km North of Perth. My 601XLB is also up here and I now have about 50 flying hours on it. I have yet get my Nav endorsment but hope to do it maybe next month. I have an EA81 as the power plant but would like something with a bit more grunt.  But at least it flies!  It is also very easy to fly. A great little aircraft.

Pete

 

At 8:37am on October 6, 2011, Jake Reyna said…

Bob, I've been tweaking inlets, outlets and before I knew it, I had a new cowl. I'm currently working on a new cowl bottom that incorporates the ideas you mention to increase suction at the cowl exit.

To address the intake leaks, I'm using 4" (101.6mm) Scat for engine and oil cooling inlets.

Looks like we're running the same CHT temps, but I would like to get the center cylinders to run a bit cooler. I'm sure you're on the same path.

I'll do a blog once I get the new pieces installed.

Jake

At 9:03am on May 23, 2011, Stephen R. Smith said…

Bob,

The cooler on my plane failed because an oil line was hitting the cowling.  Otherwise I have had good luck with the brand of cooler I have been using on my airplane.  The cooler is made by Tru-Cool.  It is a low-cost automotive-grade cooler.  The cooler is black in color.

You can see a picture of the cooler here.

 

Steve

At 7:40am on May 15, 2011, David Peterson said…
Hi Rob!
At 2:34am on April 26, 2011, Phill Barnes said…

Good stuff robert.

Hey if you have a moment, give me a call, i'd love to have a chat.

 07 5483 2085   0434 290 564

 

Phill

At 6:11am on April 25, 2011, Chris Sinfield said…

Hi Robert,

Do you know about all the other builders in the Newcastle /Central Coast area?

Welcome to the gang. How long have you been building?

Chris Sinfield

Zodiac XL

Sydney

At 12:33am on April 16, 2011, Phill Barnes said…

Hi Bob

I also have a 601xl b with a Jab 3300 but with the ch650 canopy added. I am ready to paint and will do so before I start my engine for the first time to avoid contaminating the surface of the metal with oil residue. Check out my profile for pics and my kitlog website. http://www.mykitlog.com/ch601xl

 

Your plane looks very nice and I hope your first flight goes well. It looks like you have the Sensenich carbon ground adjustable prop like I have. Let me know what pitch setting are getting what rpm.

 

Regards

Phill   07 54832085      0434 290 564

At 6:05am on April 5, 2011, Phill Barnes said…

Hi and welcome Robert. What model 601 are you building?

 

Regards

Phill

At 1:49pm on April 4, 2011, Bill Carter said…

Welcome to the family.

I wish you the all the best with your project.

If you ever get the chance to visit the Zenith factory please take the time to stop by our builder assist facility too. We like to have visitors here and we are right here in Mexico, Mo. just a couple of miles from them.

Take care and good luck,

Bill Carter

American Light Sport Aircrafters Builder Assist & Assembly Center

www.LightSportAircrafters.com

 

 
 
 

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