Today's Message Index:
----------------------
1. 03:13 AM - Re: Comcast Was Blocking Matronics Email Lists... (steve)
2. 07:43 AM - TRACE Engines LP Purchases Orenda Program (Tylor Hall)
3. 09:18 AM - Nose wheel problems (Matthew J. Hawkins)
4. 09:57 AM - Re: Nose wheel problems (Bruce Campbell)
5. 10:19 AM - Re: Nose wheel problems (Bruce Campbell)
6. 11:46 AM - Re: Nose wheel problems (skyhawkc-172@comcast.net)
7. 01:48 PM - Re: TRACE Engines LP Purchases Orenda Program (Moe - Ross Racing Pistons)
8. 01:57 PM - Re: TRACE Engines LP Purchases Orenda Program (Barry Collman)
9. 02:51 PM - Re: TRACE Engines LP Purchases Orenda Program (Tylor Hall)
10. 02:53 PM - Re: TRACE Engines LP Purchases Orenda Program (Tylor Hall)
11. 06:08 PM - Re: Nose wheel problems (YOURTCFG@aol.com)
12. 06:31 PM - Re: Nose wheel problems (Nancy Gilliam)
13. 06:39 PM - Re: Nose wheel problems (Matt Dralle)
14. 07:33 PM - Re: Nose wheel problems (Jim Addington)
15. 10:52 PM - Re: Nose wheel problems (Nancy Gilliam)
Message 1
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| Subject: | Comcast Was Blocking Matronics Email Lists... |
List
I use a separate ISP from BellSouth for my emails. They gave me the choice
to opt out of their Spam filter which I did so I could use my own Anti Spam
methods and software. Before I did so there was quite a bit of good stuff
being blocked to me and I much prefer to be the Master of my own Domain.
Sooooo.. Those who care to might call or email their ISP and ask to opt out
also.
Steve G.
_____
From: owner-commander-list-server@matronics.com
[mailto:owner-commander-list-server@matronics.com] On Behalf Of
skyhawkc-172@comcast.net
Sent: Sunday, October 29, 2006 7:57 PM
Subject: Re: Commander-List: Comcast Was Blocking Matronics Email Lists...
about two days ago comcast completely updated the way their e-mail appears,
I suspect they made other changes as well.
-------------- Original message --------------
From: Matt Dralle <dralle@matronics.com>
> --> Commander-List message posted by: Matt Dralle
>
>
> Dear Listers (Specifically Comcast Listers),
>
> For about the last two days, Comcast was blocking incoming email from the
> Matronics Email Lists because their spam filters thought the mail was
spam. I
> was able to finally get them to lift the block about 3pm PST 10/29/2006
and it
> appears that people on Comcast are receiving List messages again.
>
> If you are a Comcast user, you might want to email them and express your
> displeasure with their Spam blocking policy, particularly as it relates to
> "matronics.com".
>
> Sorry for the hassle...
>
> Matt Dralle
> Matronics Email List Admin ======
Message 2
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| Subject: | TRACE Engines LP Purchases Orenda Program |
Message 3
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| Subject: | Nose wheel problems |
--> Commander-List message posted by: "Matthew J. Hawkins" <hawkins@cms.udel.edu>
Hey all-
Well, no luck in selling N2760B here in Delaware - so thinking I'll just
start flying her. Have a couple of well qualified pilots with the
Commander here at Georgetown.
Ran into a problem this weekend though. Know the nose wheel steering is
"tricky" - but we're having a problem with it turning hard left and not
being able to get it centered again. Even with full right rudder and
full throttle on the left engine.
When you shut down, you can go out and turn it to center by hand - very
little (if any) pressure on the ram.
Checked for air in cylinder - nothing.
Looking at the hydraulic drawing - could the nose wheel steering by-pass
valve be bad? Such that fluid just passes through valve rather than to
the ram?
Funny that it only goes hard left - never hard right? At least not yet!
Hydraulic pressure is running a bit high (1200 psi - just shy of the
relief) and we need to adjust down to be 900 - 1100 as I understand.
Only hydraulic pump on the left engine.
No problem with flap or gear - just "quick" because of the slightly high
pressure.
At about 1000 RPM we can hear a bit of hydraulic "chatter" down between
the seats where the hand pump selector valve and relief valve are. It
goes away at around 1500 RPM.
Just trying to give you all the symptoms in case there's a connection.
All hydraulic related, but hard left on the nose wheel is the real
problem right now.
Could it be "operator error" - something we're doing wrong in handling
her on the ground? Our pilot with lots of time in the Commander has
never had the severe "hard left" problem in his bird - though very
familiar with the tricky steering.
All suggestions appreciated.
Thanks,
Matt
********************
Matthew Hawkins
Director, Marine Ops
R/V HUGH R. SHARP
302-645-4341
FAX: 302-645-4006
hawkins@udel.edu
Message 4
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| Subject: | Nose wheel problems |
--> Commander-List message posted by: Bruce Campbell <brcamp@windows.microsoft.com>
Sounds to me more like a worn bolt/bushing. They are *very* critical.
Bruce
N4186B
-----Original Message-----
From: owner-commander-list-server@matronics.com
[mailto:owner-commander-list-server@matronics.com] On Behalf Of Matthew
J. Hawkins
Sent: Monday, October 30, 2006 9:18 AM
Subject: Commander-List: Nose wheel problems
--> Commander-List message posted by: "Matthew J. Hawkins"
<hawkins@cms.udel.edu>
Hey all-
Well, no luck in selling N2760B here in Delaware - so thinking I'll just
start flying her. Have a couple of well qualified pilots with the
Commander here at Georgetown.
Ran into a problem this weekend though. Know the nose wheel steering is
"tricky" - but we're having a problem with it turning hard left and not
being able to get it centered again. Even with full right rudder and
full throttle on the left engine.
When you shut down, you can go out and turn it to center by hand - very
little (if any) pressure on the ram.
Checked for air in cylinder - nothing.
Looking at the hydraulic drawing - could the nose wheel steering by-pass
valve be bad? Such that fluid just passes through valve rather than to
the ram?
Funny that it only goes hard left - never hard right? At least not yet!
Hydraulic pressure is running a bit high (1200 psi - just shy of the
relief) and we need to adjust down to be 900 - 1100 as I understand.
Only hydraulic pump on the left engine.
No problem with flap or gear - just "quick" because of the slightly high
pressure.
At about 1000 RPM we can hear a bit of hydraulic "chatter" down between
the seats where the hand pump selector valve and relief valve are. It
goes away at around 1500 RPM.
Just trying to give you all the symptoms in case there's a connection.
All hydraulic related, but hard left on the nose wheel is the real
problem right now.
Could it be "operator error" - something we're doing wrong in handling
her on the ground? Our pilot with lots of time in the Commander has
never had the severe "hard left" problem in his bird - though very
familiar with the tricky steering.
All suggestions appreciated.
Thanks,
Matt
********************
Matthew Hawkins
Director, Marine Ops
R/V HUGH R. SHARP
302-645-4341
FAX: 302-645-4006
hawkins@udel.edu
Message 5
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| Subject: | Nose wheel problems |
--> Commander-List message posted by: Bruce Campbell <brcamp@windows.microsoft.com>
One other thought. Might want to check the main gear for play.
Bruce Campbell
N4186B AC52
-----Original Message-----
From: owner-commander-list-server@matronics.com
[mailto:owner-commander-list-server@matronics.com] On Behalf Of Matthew
J. Hawkins
Sent: Monday, October 30, 2006 9:18 AM
Subject: Commander-List: Nose wheel problems
--> Commander-List message posted by: "Matthew J. Hawkins"
<hawkins@cms.udel.edu>
Hey all-
Well, no luck in selling N2760B here in Delaware - so thinking I'll just
start flying her. Have a couple of well qualified pilots with the
Commander here at Georgetown.
Ran into a problem this weekend though. Know the nose wheel steering is
"tricky" - but we're having a problem with it turning hard left and not
being able to get it centered again. Even with full right rudder and
full throttle on the left engine.
When you shut down, you can go out and turn it to center by hand - very
little (if any) pressure on the ram.
Checked for air in cylinder - nothing.
Looking at the hydraulic drawing - could the nose wheel steering by-pass
valve be bad? Such that fluid just passes through valve rather than to
the ram?
Funny that it only goes hard left - never hard right? At least not yet!
Hydraulic pressure is running a bit high (1200 psi - just shy of the
relief) and we need to adjust down to be 900 - 1100 as I understand.
Only hydraulic pump on the left engine.
No problem with flap or gear - just "quick" because of the slightly high
pressure.
At about 1000 RPM we can hear a bit of hydraulic "chatter" down between
the seats where the hand pump selector valve and relief valve are. It
goes away at around 1500 RPM.
Just trying to give you all the symptoms in case there's a connection.
All hydraulic related, but hard left on the nose wheel is the real
problem right now.
Could it be "operator error" - something we're doing wrong in handling
her on the ground? Our pilot with lots of time in the Commander has
never had the severe "hard left" problem in his bird - though very
familiar with the tricky steering.
All suggestions appreciated.
Thanks,
Matt
********************
Matthew Hawkins
Director, Marine Ops
R/V HUGH R. SHARP
302-645-4341
FAX: 302-645-4006
hawkins@udel.edu
Message 6
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| Subject: | Nose wheel problems |
what would main gear play mean or what affect would this cause ? we have had the
same problem steering hard one way or the other, but I know what its from...40mph
crosswinds while taxxing : )
-------------- Original message --------------
From: Bruce Campbell <brcamp@windows.microsoft.com>
> --> Commander-List message posted by: Bruce Campbell
>
>
> One other thought. Might want to check the main gear for play.
>
> Bruce Campbell
> N4186B AC52
>
>
> -----Original Message-----
> From: owner-commander-list-server@matronics.com
> [mailto:owner-commander-list-server@matronics.com] On Behalf Of Matthew
> J. Hawkins
> Sent: Monday, October 30, 2006 9:18 AM
> To: commander-list@matronics.com
> Subject: Commander-List: Nose wheel problems
>
> --> Commander-List message posted by: "Matthew J. Hawkins"
>
>
> Hey all-
>
> Well, no luck in selling N2760B here in Delaware - so thinking I'll just
> start flying her. Have a couple of well qualified pilots with the
> Commander here at Georgetown.
>
> Ran into a problem this weekend though. Know the nose wheel steering is
> "tricky" - but we're having a problem with it turning hard left and not
> being able to get it centered again. Even with full right rudder and
> full throttle on the left engine.
>
> When you shut down, you can go out and turn it to center by hand - very
> little (if any) pressure on the ram.
>
> Checked for air in cylinder - nothing.
>
> Looking at the hydraulic drawing - could the nose wheel steering by-pass
> valve be bad? Such that fluid just passes through valve rather than to
> the ram?
>
> Funny that it only goes hard left - never hard right? At least not yet!
>
> Hydraulic pressure is running a bit high (1200 psi - just shy of the
> relief) and we need to adjust down to be 900 - 1100 as I understand.
> Only hydraulic pump on the left engine.
>
> No problem with flap or gear - just "quick" because of the slightly high
> pressure.
>
> At about 1000 RPM we can hear a bit of hydraulic "chatter" down between
> the seats where the hand pump selector valve and relief valve are. It
> goes away at around 1500 RPM.
>
> Just trying to give you all the symptoms in case there's a connection.
> All hydraulic related, but hard left on the nose wheel is the real
> problem right now.
>
> Could it be "operator error" - something we're doing wrong in handling
> her on the ground? Our pilot with lots of time in the Commander has
> never had the severe "hard left" problem in his bird - though very
> familiar with the tricky steering.
>
> All suggestions appreciated.
>
> Thanks,
> Matt
>
> ********************
> Matthew Hawkins
> Director, Marine Ops
> R/V HUGH R. SHARP
> 302-645-4341
> FAX: 302-645-4006
> hawkins@udel.edu
>
>
>
>
>
>
>
>
>
>
>
<html><body>
<DIV>what would main gear play mean or what affect would this cause ?
we have had the same problem steering hard one way or the other, but I
know what its from...40mph crosswinds while taxxing : )</DIV>
<DIV> </DIV>
<BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">-------------- Original message -------------- <BR>From: Bruce Campbell <brcamp@windows.microsoft.com> <BR><BR>> --> Commander-List message posted by: Bruce Campbell <BR>> <BRCAMP@WINDOWS.MICROSOFT.COM><BR>> <BR>> One other thought. Might want to check the main gear for play. <BR>> <BR>> Bruce Campbell <BR>> N4186B AC52 <BR>> <BR>> <BR>> -----Original Message----- <BR>> From: owner-commander-list-server@matronics.com <BR>> [mailto:owner-commander-list-server@matronics.com] On Behalf Of Matthew <BR>> J. Hawkins <BR>> Sent: Monday, October 30, 2006 9:18 AM <BR>> To: commander-list@matronics.com <BR>> Subject: Commander-List: Nose wheel problems <BR>> <BR>> --> Commander-List message posted by: "Matthew J. Hawkins" <BR>> <HAWKINS@CMS.UDEL.EDU><BR>> <BR>> Hey all- <BR>> <BR>> Well, no luck in selling N2760B here i
n Dela
ware - so thinking I'll just <BR>> start flying her. Have a couple of well qualified
pilots with the <BR>> Commander here at Georgetown. <BR>> <BR>>
Ran into a problem this weekend though. Know the nose wheel steering is <BR>>
"tricky" - but we're having a problem with it turning hard left and not
<BR>> being able to get it centered again. Even with full right rudder and
<BR>> full throttle on the left engine. <BR>> <BR>> When you shut down,
you can go out and turn it to center by hand - very <BR>> little (if any)
pressure on the ram. <BR>> <BR>> Checked for air in cylinder - nothing.
<BR>> <BR>> Looking at the hydraulic drawing - could the nose wheel steering
by-pass <BR>> valve be bad? Such that fluid just passes through valve
rather than to <BR>> the ram? <BR>> <BR>> Funny that it only goes
hard left - never hard right? At least not yet! <BR>> <BR>> Hydraulic pressure
is running a bit high (1200 psi - just shy of
the <B
R>> relief) and we need to adjust down to be 900 - 1100 as I understand. <BR>>
Only hydraulic pump on the left engine. <BR>> <BR>> No problem with
flap or gear - just "quick" because of the slightly high <BR>> pressure.
<BR>> <BR>> At about 1000 RPM we can hear a bit of hydraulic "chatter" down
between <BR>> the seats where the hand pump selector valve and relief valve
are. It <BR>> goes away at around 1500 RPM. <BR>> <BR>> Just trying
to give you all the symptoms in case there's a connection. <BR>> All hydraulic
related, but hard left on the nose wheel is the real <BR>> problem
right now. <BR>> <BR>> Could it be "operator error" - something we're doing
wrong in handling <BR>> her on the ground? Our pilot with lots of time
in the Commander has <BR>> never had the severe "hard left" problem in his
bird - though very <BR>> familiar with the tricky steering. <BR>> <BR>>
All suggestions appreciated. <BR>> <BR>> Tha
nks, <
=====
<pre><b><font size=2 color="#000000" face="courier new,courier">
</b></font></pre></body></html>
Message 7
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| Subject: | TRACE Engines LP Purchases Orenda Program |
--> Commander-List message posted by: "Moe - Ross Racing Pistons" <moe@rosspistons.com>
-----Original Message-----
From: owner-commander-list-server@matronics.com
[mailto:owner-commander-list-server@matronics.com] On Behalf Of Tylor Hall
Sent: Monday, October 30, 2006 7:46 AM
Subject: Commander-List: TRACE Engines LP Purchases Orenda Program
Tyler:
I received a header from you with no message. Please repeat.
Thanx!
Moe
N680RR
680FP
Message 8
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| Subject: | Re: TRACE Engines LP Purchases Orenda Program |
--> Commander-List message posted by: "Barry Collman" <barry.collman@air-britain.co.uk>
Same here!
----- Original Message -----
From: "Moe - Ross Racing Pistons" <moe@rosspistons.com>
Sent: Monday, October 30, 2006 9:50 PM
Subject: RE: Commander-List: TRACE Engines LP Purchases Orenda Program
| --> Commander-List message posted by: "Moe - Ross Racing Pistons"
<moe@rosspistons.com>
|
|
|
| -----Original Message-----
| From: owner-commander-list-server@matronics.com
| [mailto:owner-commander-list-server@matronics.com] On Behalf Of Tylor Hall
| Sent: Monday, October 30, 2006 7:46 AM
| To: commander-list@matronics.com
| Subject: Commander-List: TRACE Engines LP Purchases Orenda Program
|
| Tyler:
|
| I received a header from you with no message. Please repeat.
|
| Thanx!
|
| Moe
| N680RR
| 680FP
|
|
|
|
|
|
|
|
|
|
Message 9
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| Subject: | Re: TRACE Engines LP Purchases Orenda Program |
Message 10
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| Subject: | Re: TRACE Engines LP Purchases Orenda Program |
--> Commander-List message posted by: Tylor Hall <tylor.hall@sbcglobal.net>
Moe & company,
I just tried again to send the article.
It is from www.aero-news.net
From Sunday.
I hope it went through.
Tylor Hall
On Oct 30, 2006, at 2:50 PM, Moe - Ross Racing Pistons wrote:
> --> Commander-List message posted by: "Moe - Ross Racing Pistons"
> <moe@rosspistons.com>
>
>
> -----Original Message-----
> From: owner-commander-list-server@matronics.com
> [mailto:owner-commander-list-server@matronics.com] On Behalf Of
> Tylor Hall
> Sent: Monday, October 30, 2006 7:46 AM
> To: commander-list@matronics.com
> Subject: Commander-List: TRACE Engines LP Purchases Orenda Program
>
> Tyler:
>
> I received a header from you with no message. Please repeat.
>
> Thanx!
>
> Moe
> N680RR
> 680FP
>
>
Message 11
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| Subject: | Re: Nose wheel problems |
In a message dated 10/30/2006 9:19:34 A.M. Pacific Standard Time,
hawkins@cms.udel.edu writes:
Even with full right rudder and
full throttle on the left engine.
I am sure this is a typo, because you know the rudder will not steer the
airplane. It may be that the shimmy dampener is dirty. Take some brake cleaner
(found in aerosol cans at places like NAPA) and hose down the shimmy
dampener. Next check the rigging on the shimmy damper (as per the manual). If
the
steering is working one direction, it is not the steering cut out valve. Do
the brakes work normally?? You can check for pressure at the cylinder by
building pressure in the system, then depress the pedal to steer and crack the
appropriate line to the steering cylinder. If there is no pressure there,
work backward until you get pressure. The chattering is probably low pressure
in the accumulator. or a faulty unloading valve, it is mounted blow the floor
next to the hand pump. jb
Message 12
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|
| Subject: | Nose wheel problems |
--> Commander-List message posted by: "Nancy Gilliam" <amg3636@hotmail.com>
This is a test. I posted a reply several hours ago have not seen it yet.
Roland
>From: "Matthew J. Hawkins" <hawkins@cms.udel.edu>
>To: commander-list@matronics.com
>Subject: Commander-List: Nose wheel problems
>Date: Mon, 30 Oct 2006 12:17:32 -0500
>
>--> Commander-List message posted by: "Matthew J. Hawkins"
><hawkins@cms.udel.edu>
>
>Hey all-
>
>Well, no luck in selling N2760B here in Delaware - so thinking I'll just
>start flying her. Have a couple of well qualified pilots with the
>Commander here at Georgetown.
>
>Ran into a problem this weekend though. Know the nose wheel steering is
>"tricky" - but we're having a problem with it turning hard left and not
>being able to get it centered again. Even with full right rudder and
>full throttle on the left engine.
>
>When you shut down, you can go out and turn it to center by hand - very
>little (if any) pressure on the ram.
>
>Checked for air in cylinder - nothing.
>
>Looking at the hydraulic drawing - could the nose wheel steering by-pass
>valve be bad? Such that fluid just passes through valve rather than to
>the ram?
>
>Funny that it only goes hard left - never hard right? At least not yet!
>
>Hydraulic pressure is running a bit high (1200 psi - just shy of the
>relief) and we need to adjust down to be 900 - 1100 as I understand.
>Only hydraulic pump on the left engine.
>
>No problem with flap or gear - just "quick" because of the slightly high
>pressure.
>
>At about 1000 RPM we can hear a bit of hydraulic "chatter" down between
>the seats where the hand pump selector valve and relief valve are. It
>goes away at around 1500 RPM.
>
>Just trying to give you all the symptoms in case there's a connection.
>All hydraulic related, but hard left on the nose wheel is the real
>problem right now.
>
>Could it be "operator error" - something we're doing wrong in handling
>her on the ground? Our pilot with lots of time in the Commander has
>never had the severe "hard left" problem in his bird - though very
>familiar with the tricky steering.
>
>All suggestions appreciated.
>
>Thanks,
>Matt
>
>********************
>Matthew Hawkins
>Director, Marine Ops
>R/V HUGH R. SHARP
>302-645-4341
>FAX: 302-645-4006
>hawkins@udel.edu
>
>
_________________________________________________________________
Live Search!
Message 13
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| Subject: | Nose wheel problems |
--> Commander-List message posted by: Matt Dralle <dralle@matronics.com>
Roland,
Doesn't look like it even made it to the Matronics Email Server. Your "test" message
is the only message I'm finding in the logs.
Best regards,
Matt Dralle
Matronics Email List Admin
At 06:29 PM 10/30/2006 Monday, you wrote:
>--> Commander-List message posted by: "Nancy Gilliam" <amg3636@hotmail.com>
>
>This is a test. I posted a reply several hours ago have not seen it yet.
>
>Roland
>
>
>>From: "Matthew J. Hawkins" <hawkins@cms.udel.edu>
>>To: commander-list@matronics.com
>>Subject: Commander-List: Nose wheel problems
>>Date: Mon, 30 Oct 2006 12:17:32 -0500
>>
>>--> Commander-List message posted by: "Matthew J. Hawkins" <hawkins@cms.udel.edu>
>>
>>Hey all-
>>
>>Well, no luck in selling N2760B here in Delaware - so thinking I'll just
>>start flying her. Have a couple of well qualified pilots with the
>>Commander here at Georgetown.
>>
>>Ran into a problem this weekend though. Know the nose wheel steering is
>>"tricky" - but we're having a problem with it turning hard left and not
>>being able to get it centered again. Even with full right rudder and
>>full throttle on the left engine.
>>
>>When you shut down, you can go out and turn it to center by hand - very
>>little (if any) pressure on the ram.
>>
>>Checked for air in cylinder - nothing.
>>
>>Looking at the hydraulic drawing - could the nose wheel steering by-pass
>>valve be bad? Such that fluid just passes through valve rather than to
>>the ram?
>>
>>Funny that it only goes hard left - never hard right? At least not yet!
>>
>>Hydraulic pressure is running a bit high (1200 psi - just shy of the
>>relief) and we need to adjust down to be 900 - 1100 as I understand.
>>Only hydraulic pump on the left engine.
>>
>>No problem with flap or gear - just "quick" because of the slightly high
>>pressure.
>>
>>At about 1000 RPM we can hear a bit of hydraulic "chatter" down between
>>the seats where the hand pump selector valve and relief valve are. It
>>goes away at around 1500 RPM.
>>
>>Just trying to give you all the symptoms in case there's a connection.
>>All hydraulic related, but hard left on the nose wheel is the real
>>problem right now.
>>
>>Could it be "operator error" - something we're doing wrong in handling
>>her on the ground? Our pilot with lots of time in the Commander has
>>never had the severe "hard left" problem in his bird - though very
>>familiar with the tricky steering.
>>
>>All suggestions appreciated.
>>
>>Thanks,
>>Matt
>>
>>********************
>>Matthew Hawkins
>>Director, Marine Ops
>>R/V HUGH R. SHARP
>>302-645-4341
>>FAX: 302-645-4006
>>hawkins@udel.edu
>>
>>
>>
>
>_________________________________________________________________
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>
>
Matt G Dralle | Matronics | PO Box 347 | Livermore | CA | 94551
925-606-1001 V | 925-606-6281 F | dralle@matronics.com Email
http://www.matronics.com/ WWW | Featuring Products For Aircraft
Message 14
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| Subject: | Re: Nose wheel problems |
--> Commander-List message posted by: "Jim Addington" <jtaddington@charter.net>
Matt,
I don't know if the system is any where near the same as my 500A, but, I had
a problem one time where I had put the gear handle down and had three green
but when we landed and put in right rudder and brake the plane went left.
What I found was the handle was down and the gear was down with green lights
but the handle was not locked down. What I think happened was the ports were
not lined up properly and the right side brake and steering was putting
pressure in the left side. Just my thought which is usually wrong, but,
thought I would pass it on any way.
Jim Addington
N444BD
500A
Subject: Commander-List: Nose wheel problems
> --> Commander-List message posted by: "Matthew J. Hawkins"
> <hawkins@cms.udel.edu>
>
> Hey all-
>
> Well, no luck in selling N2760B here in Delaware - so thinking I'll just
> start flying her. Have a couple of well qualified pilots with the
> Commander here at Georgetown.
>
> Ran into a problem this weekend though. Know the nose wheel steering is
> "tricky" - but we're having a problem with it turning hard left and not
> being able to get it centered again. Even with full right rudder and
> full throttle on the left engine.
>
> When you shut down, you can go out and turn it to center by hand - very
> little (if any) pressure on the ram.
>
> Checked for air in cylinder - nothing.
>
> Looking at the hydraulic drawing - could the nose wheel steering by-pass
> valve be bad? Such that fluid just passes through valve rather than to
> the ram?
>
> Funny that it only goes hard left - never hard right? At least not yet!
>
> Hydraulic pressure is running a bit high (1200 psi - just shy of the
> relief) and we need to adjust down to be 900 - 1100 as I understand.
> Only hydraulic pump on the left engine.
>
> No problem with flap or gear - just "quick" because of the slightly high
> pressure.
>
> At about 1000 RPM we can hear a bit of hydraulic "chatter" down between
> the seats where the hand pump selector valve and relief valve are. It
> goes away at around 1500 RPM.
>
> Just trying to give you all the symptoms in case there's a connection.
> All hydraulic related, but hard left on the nose wheel is the real
> problem right now.
>
> Could it be "operator error" - something we're doing wrong in handling
> her on the ground? Our pilot with lots of time in the Commander has
> never had the severe "hard left" problem in his bird - though very
> familiar with the tricky steering.
>
> All suggestions appreciated.
>
> Thanks,
> Matt
>
> ********************
> Matthew Hawkins
> Director, Marine Ops
> R/V HUGH R. SHARP
> 302-645-4341
> FAX: 302-645-4006
> hawkins@udel.edu
>
>
>
Message 15
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| Subject: | Nose wheel problems |
--> Commander-List message posted by: "Nancy Gilliam" <amg3636@hotmail.com>
I'll tell you what I did to fix mine.
I made a hose to fit the fitting on the brake assembly, then put a 1500 lb
oil gauge on the other end. Take off the cover under the brake valves.
Attach hose to brake fitting. Pump up the hand valve to about 900 lbs. There
should be no pressure to the brake assembly. ( Yours probably has some
pressure) Adjust the fitting on the brake valve to let pressure show on the
gauge. pump hand valve back up as needed to maintain good pressure. It needs
to be adjusted so no pressure is on the gauge unless you push the brake
pedal, ( 500 - 700 lbs I think). I was about to sell my plane because It
would not steer one way, I thought it was just me. I did this , and in 5
minutes it was like new.Of course this may not be your problem, but it's
worth a try. I think I spent $40.00 on my gauge. My 500 has Clevland brakes,
I assume yours has the fitting to attach to.
Good luck,
Roland
>From: "Matthew J. Hawkins" <hawkins@cms.udel.edu>
>To: <commander-list@matronics.com>
>Subject: Commander-List: Nose wheel problems
>Date: Mon, 30 Oct 2006 12:17:32 -0500
>
>--> Commander-List message posted by: "Matthew J. Hawkins"
><hawkins@cms.udel.edu>
>
>Hey all-
>
>Well, no luck in selling N2760B here in Delaware - so thinking I'll just
>start flying her. Have a couple of well qualified pilots with the
>Commander here at Georgetown.
>
>Ran into a problem this weekend though. Know the nose wheel steering is
>"tricky" - but we're having a problem with it turning hard left and not
>being able to get it centered again. Even with full right rudder and
>full throttle on the left engine.
>
>When you shut down, you can go out and turn it to center by hand - very
>little (if any) pressure on the ram.
>
>Checked for air in cylinder - nothing.
>
>Looking at the hydraulic drawing - could the nose wheel steering by-pass
>valve be bad? Such that fluid just passes through valve rather than to
>the ram?
>
>Funny that it only goes hard left - never hard right? At least not yet!
>
>Hydraulic pressure is running a bit high (1200 psi - just shy of the
>relief) and we need to adjust down to be 900 - 1100 as I understand.
>Only hydraulic pump on the left engine.
>
>No problem with flap or gear - just "quick" because of the slightly high
>pressure.
>
>At about 1000 RPM we can hear a bit of hydraulic "chatter" down between
>the seats where the hand pump selector valve and relief valve are. It
>goes away at around 1500 RPM.
>
>Just trying to give you all the symptoms in case there's a connection.
>All hydraulic related, but hard left on the nose wheel is the real
>problem right now.
>
>Could it be "operator error" - something we're doing wrong in handling
>her on the ground? Our pilot with lots of time in the Commander has
>never had the severe "hard left" problem in his bird - though very
>familiar with the tricky steering.
>
>All suggestions appreciated.
>
>Thanks,
>Matt
>
>********************
>Matthew Hawkins
>Director, Marine Ops
>R/V HUGH R. SHARP
>302-645-4341
>FAX: 302-645-4006
>hawkins@udel.edu
>
>
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