Today's Message Index:
----------------------
1. 05:24 AM - Re: Cedar Key / Sun-n-Fun 2007 (forrest johnson)
2. 07:55 AM - Nose Shimmy (CJcanuck)
3. 09:05 AM - Re: Nose Shimmy (Joe Enzminger)
4. 09:12 AM - Re: Nose Shimmy (Walter Lannon)
5. 09:30 AM - Re: Nose Shimmy (Roger Kemp)
6. 09:36 AM - Re: Re: Nose Shimmy (Dave Laird)
7. 10:03 AM - Re: Nose Shimmy (Doug Sapp)
8. 10:31 AM - Yakkes Foundation Yak-52 for FS2004 (Jerome van der Schaar)
9. 11:33 AM - All Red Star VI Registration Discount Ends Soon! (Barry Hancock)
10. 06:31 PM - CJ-6 Available (Stephen J. Byers)
11. 06:46 PM - Parachutes (CJcanuck)
12. 07:41 PM - Re: Parachutes (A. Dennis Savarese)
13. 11:25 PM - Re: Yakkes Foundation Yak-52 for FS2004 (Hans Oortman)
Message 1
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| Subject: | Re: Cedar Key / Sun-n-Fun 2007 |
Arriving Sat. 4-13. Staying at the Beach Front Motel. My cell # 817 366
3150. Please send your # so we can hook up. Thanks ,FORREST
----- Original Message -----
From: David McGirt
To: yak-list@matronics.com ; Yak-52-TW-Owners-Group@googlegroups.com
Sent: Tuesday, January 16, 2007 10:55 AM
Subject: Yak-List: Cedar Key / Sun-n-Fun 2007
As many of you know, there is a large group of people that go to Cedar
Key for a nice weekend before Sun-n-Fun. All are welcome, right now we
have 8 confirmed couples/airplanes.
Most are arriving Friday 4/13 and we depart for Sun-n-Fun on Monday
morning ( we will all be based out of Lakeland.. )
Cedar Key - KCDK
Area info - http://www.cedarkey.org/
Most of us are staying at the Harbor Master -
http://www.cedarkeyharbourmaster.com/index.html
But, there are plenty of places in the area, you walk everywhere..
Good times, good flying..
David
Message 2
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Hi All!
Well, C-GYMK is on her way to Ontario, with a 3-4 week layover in Calgary where
my co-owner is currently working. She's parked at CYYC at the Esso Avitat if
anyone is in the area.
One issue that has come up is nose shimmy. It is apparently quite bad at anything
other than taxi speed, and the oleo is extended quite a ways out when unloaded
on the ground. The CJ tech manuals mentions 185mm nominal extension on the
ground, but from the pictures I've seen the nose oleo is out more than that.
Any thoughts or fixes from anyone? Obviously the damper might be at fault, but
how about a wheel balancing? Could a auto tire place do the balancing? Could
oleo overextension cause this? Would bleeding off the oleo to 185mm extension
help?
Thanks all!
Mike
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=106067#106067
Message 3
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My CJ had a similar shimmy that was solved by balancing the nose wheel. One of
our other CJ's here had to actually replace the nosewheel tire. Although balanced,
if you watched it rotate from the rear you could tell it was wobbling.
A new nose wheel tire fixed that one.
I'd balance it first before you do anything more drastic.
Joe Enzminger
700YK
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=106073#106073
Message 4
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Mike;
The shimmy damper could be low or out of fluid but most likely the tire is
the problem. It should be balanced on the wheel and out of balance corrected
by the addition of a balance patch inside the tire. Most auto shops do not
have balance patches.
The oleo's on the CJ are (or should be) at full extension on the ground.
Oleo pressure should be 48 ATM main and 20 ATM nose (approx. 700 and 300
psi)
If the shimmy is not severe it may be possible to avoid by simply holding
the nose off on landing. If that will not work it must be corrected. Shimmy
will cause serious wear, cracking and other damage that will be very
expensive.
I could balance the NW tire for you but you would need to backtrack to
Oliver.
Cheers;
Walt
250-498-8387 hangar
----- Original Message -----
From: "CJcanuck" <m_kirk69@hotmail.com>
Sent: Tuesday, April 10, 2007 7:54 AM
Subject: Yak-List: Nose Shimmy
>
> Hi All!
>
> Well, C-GYMK is on her way to Ontario, with a 3-4 week layover in Calgary
> where my co-owner is currently working. She's parked at CYYC at the Esso
> Avitat if anyone is in the area.
>
> One issue that has come up is nose shimmy. It is apparently quite bad at
> anything other than taxi speed, and the oleo is extended quite a ways out
> when unloaded on the ground. The CJ tech manuals mentions 185mm nominal
> extension on the ground, but from the pictures I've seen the nose oleo is
> out more than that.
>
> Any thoughts or fixes from anyone? Obviously the damper might be at
> fault, but how about a wheel balancing? Could a auto tire place do the
> balancing? Could oleo overextension cause this? Would bleeding off the
> oleo to 185mm extension help?
>
> Thanks all!
>
> Mike
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=106067#106067
>
>
Message 5
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Three things come to mind:
As you say, the tire could be out of balance for #1.
#2 The shimmy damper may need servicing. Is the pin on the end of your
shimmy damper opposite the knarled cap over the fill port extended out of
the damper housing or is it flush with the housing? If it is flush with the
housing, you need to service the damper for sure.
#3 Nose wheel bearings will also cause a vibration/shimmy.
Some auto tire companies can balance the the tire. You will have to pull it
take it to them and ask. Before doing that jack the nose up or pull down on
the tail and spin the tire. Does it look out of round when spinning? Do
you hear rubbing/grinding noises from the wheel with it spinning? Who did
you say did your overhaul/ assembly? Did they not test fly your plane
before you picked it up? That certainly should have been picked up before
hand.
As for the length and pressure for your nose strut, I can not comment on
that. One of the smarter CJ guys can answer that question.
> [Original Message]
> From: CJcanuck <m_kirk69@hotmail.com>
> To: <yak-list@matronics.com>
> Date: 4/10/2007 10:12:52 AM
> Subject: Yak-List: Nose Shimmy
>
>
> Hi All!
>
> Well, C-GYMK is on her way to Ontario, with a 3-4 week layover in Calgary
where my co-owner is currently working. She's parked at CYYC at the Esso
Avitat if anyone is in the area.
>
> One issue that has come up is nose shimmy. It is apparently quite bad at
anything other than taxi speed, and the oleo is extended quite a ways out
when unloaded on the ground. The CJ tech manuals mentions 185mm nominal
extension on the ground, but from the pictures I've seen the nose oleo is
out more than that.
>
> Any thoughts or fixes from anyone? Obviously the damper might be at
fault, but how about a wheel balancing? Could a auto tire place do the
balancing? Could oleo overextension cause this? Would bleeding off the
oleo to 185mm extension help?
>
> Thanks all!
>
> Mike
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=106067#106067
>
>
Message 6
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Many times if a "new" nose wheel shimmy is caused by a broken shimmy
damper. The "shaft" in the damper that bolts to the gear leg shears
inside the "tube" of the damper...so you
can't just look at it and tell... but if you unbolt the thing and
open up the "tube" it becomes obvious! That's what happened on my
bird last year.
Also I noticed that when just moving the plane around on my tug that
the nose wheel seemed to have developed a mind of it's own....
after I installed the new damper shaft it behaved much better!
If this turns out to be your problem, Doug Sapp has an overhaul kit
for it that has all the seals and also a new stainless steel splined
shaft.
Hope this helps,
Dave Laird
N63536 1983 CJ6A "Betty"
Dallas
On Apr 10, 2007, at 11:04 AM, Joe Enzminger wrote:
> <panchoandlefty2002@yahoo.com>
>
> My CJ had a similar shimmy that was solved by balancing the nose
> wheel. One of our other CJ's here had to actually replace the
> nosewheel tire. Although balanced, if you watched it rotate from
> the rear you could tell it was wobbling. A new nose wheel tire
> fixed that one.
>
> I'd balance it first before you do anything more drastic.
>
> Joe Enzminger
> 700YK
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=106073#106073
>
>
Message 7
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Mike,
I agree with Walter, but would add that if you have balanced your nose
wheel and tire as a unit (some wheels are worse out of balance than the
tires) and you still have a shimmy, check the splined shaft which sticks
out of the damper, this shaft will sometimes break off nearly flush if
the shimmy is bad enough and the condition is allowed to continue.
Another thing to check is the amount of slop in the nose gear scissors,
remove either the top or bottom, unfold the scissors and try to move
them side to side, you should have 1/8 or less slop side to side. The
third and in my opinion pretty much the last thing to check is the large
brass bearing at the tip of the nose gear. This are #'s 27 and 30 in
fig 4-3, on page 125, in vol #1 of the IPB. If these bearings are badly
worn this will add to the problem.
Most parts to overhaul are currently in my stock. Call me if you need
help on any of the above. 509-826-4610 office
Always yakin,
Doug
Walter Lannon wrote:
>
> Mike;
>
> The shimmy damper could be low or out of fluid but most likely the
> tire is
> the problem. It should be balanced on the wheel and out of balance
> corrected
> by the addition of a balance patch inside the tire. Most auto shops do
> not
> have balance patches.
>
> The oleo's on the CJ are (or should be) at full extension on the ground.
> Oleo pressure should be 48 ATM main and 20 ATM nose (approx. 700 and 300
> psi)
>
> If the shimmy is not severe it may be possible to avoid by simply holding
> the nose off on landing. If that will not work it must be corrected.
> Shimmy
> will cause serious wear, cracking and other damage that will be very
> expensive.
>
> I could balance the NW tire for you but you would need to backtrack to
> Oliver.
>
> Cheers;
> Walt
> 250-498-8387 hangar
>
>
> ----- Original Message ----- From: "CJcanuck" <m_kirk69@hotmail.com>
> To: <yak-list@matronics.com>
> Sent: Tuesday, April 10, 2007 7:54 AM
> Subject: Yak-List: Nose Shimmy
>
>
>>
>> Hi All!
>>
>> Well, C-GYMK is on her way to Ontario, with a 3-4 week layover in
>> Calgary
>> where my co-owner is currently working. She's parked at CYYC at the
>> Esso
>> Avitat if anyone is in the area.
>>
>> One issue that has come up is nose shimmy. It is apparently quite
>> bad at
>> anything other than taxi speed, and the oleo is extended quite a ways
>> out
>> when unloaded on the ground. The CJ tech manuals mentions 185mm nominal
>> extension on the ground, but from the pictures I've seen the nose
>> oleo is
>> out more than that.
>>
>> Any thoughts or fixes from anyone? Obviously the damper might be at
>> fault, but how about a wheel balancing? Could a auto tire place do the
>> balancing? Could oleo overextension cause this? Would bleeding off the
>> oleo to 185mm extension help?
>>
>> Thanks all!
>>
>> Mike
>>
>>
>>
>>
>> Read this topic online here:
>>
>> http://forums.matronics.com/viewtopic.php?p=106067#106067
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>
Message 8
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| Subject: | Yakkes Foundation Yak-52 for FS2004 |
Hi all,
Look at what this guy has made for us (look at the screenshots):
http://www.yakkes.com/webstuff.downloadsfs.php
Fun, isn't it?
Regards,
Jerome
www.yakkes.com
Message 9
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| Subject: | All Red Star VI Registration Discount Ends Soon! |
Gang,
For those of you who missed the early registration deadline, you can
still save $50 off the full registration fee by registering NOW!
Registrations are coming in at a record pace and this is shaping up to
be the best ARS yet....mark off May 2-6 on your calendar and come join
us! Go to www.allredstar.com and hit the REGISTRATION link. From
there you can go to the online registration and pay via credit card on
a secure server owned by the RPA. This final discounted registration
price is only valid through the 15th, so register now.
Also, hotel and rental car information are now available for download
off the website www.allredstar.com on the REGISTRATION page.
See you at ARS VI!
Cheers,
Barry
Barry Hancock
Event Director
All Red Star VI
"A Unique Aviation Experience"
Message 10
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Hello,
I got a wonderful CJ-6A for Sale.
I purchased a home in an airpark and the seller left the plane behind.
I bought if off him and with help and advice and support from various
members in this wonderful Red-Star community I got it inspected and resumed
its flying glory.
It's a great opportunity, I just lack the timing to be able to enjoy it and
hope that someone else might keep this bird happy and vice versa.
Check out www.sennex.com/cj6a I would be glad to converse with any one about
it. Pass it on if you know someone who might be interested.
It will be at Sun N Fun, too.
Best Regards,
Steve
412-401-5025
Message 11
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Hi all!
I'm looking to do some Aerobatic flying with my bird and I was hoping for some
advice on parachutes.
First off, parachutes are not legally required in Canada. That being said, if
a simple and affordable tool for increasing personal safety is available then
I'm all for it.
I've looked at Softie's and Nationals. My only preference is towards the seatpack
style as I've flown with a slim backpack style (skydiver flying years ago)
and never really liked how they rode up.
Thanks in advance!
Mike
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=106163#106163
Message 12
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Strong Parachute Company manufactures a model 306 Squadron Seat pack which
fits perfectly in the Yak and CJ seat pans. It is designed specifically for
warbirds. As a Strong parachute dealer, I can offer you substantial
discounts from list price on all Strong Parachute Company rigs. Contact me
off-list if interested.
Dennis Savarese
dsavarese@elmore.rr.com
334-285-2141
334-546-8182 (Cell)
----- Original Message -----
From: "CJcanuck" <m_kirk69@hotmail.com>
Sent: Tuesday, April 10, 2007 8:46 PM
Subject: Yak-List: Parachutes
>
> Hi all!
>
> I'm looking to do some Aerobatic flying with my bird and I was hoping for
> some advice on parachutes.
>
> First off, parachutes are not legally required in Canada. That being
> said, if a simple and affordable tool for increasing personal safety is
> available then I'm all for it.
>
> I've looked at Softie's and Nationals. My only preference is towards the
> seatpack style as I've flown with a slim backpack style (skydiver flying
> years ago) and never really liked how they rode up.
>
> Thanks in advance!
>
> Mike
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=106163#106163
>
>
>
Message 13
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| Subject: | Yakkes Foundation Yak-52 for FS2004 |
Whao, super gaaf...nu nog een van de onze..
Hans
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Jerome van der
Schaar
Sent: dinsdag 10 april 2007 19:32
Subject: Yak-List: Yakkes Foundation Yak-52 for FS2004
Hi all,
Look at what this guy has made for us (look at the screenshots):
http://www.yakkes.com/webstuff.downloadsfs.php
Fun, isn't it?
Regards,
Jerome
<http://www.yakkes.com/> www.yakkes.com
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