REFLECTOR: Reflector Digest, Vol 89, Issue 59
Mark Riley
the_rileys1 at verizon.net
Thu Aug 16 15:46:40 CDT 2012
Buy a shimmy damper from Velocity
Problem solved.
Sent from my iPhone
On Aug 16, 2012, at 1:00 PM, reflector-request at tvbf.org wrote:
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> Today's Topics:
>
> 1. Re: Nose wheel (Andrew Judge)
> 2. Re: Nose wheel (Ron N VelocityXLFG)
> 3. Re: Nose wheel shimmy (Don Johnston)
> 4. Re: Nose wheel shimmy (Brian Michalk)
> 5. Re: Nose wheel shimmy (Mark Magee)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 16 Aug 2012 11:40:07 +0000
> From: Andrew Judge <ajudge at grovenetworks.com>
> To: "'reflector at tvbf.org'" <reflector at tvbf.org>
> Subject: Re: REFLECTOR: Nose wheel
> Message-ID:
> <B99146CB7DF2FD4DB222D73B6154507B83A82DA4 at EXCH10.grovenetworks.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Yeah - you built the pant wrong. Build another one. That's my advice. Happened to me in 1998. My 3rd pair, Velocity built. I never take it off now, only to fill it with air or tighten the nose.
>
> Andy
>
> ----- Original Message -----
> From: David Ullman [mailto:ullman at robustdecisions.com]
> Sent: Wednesday, August 15, 2012 09:15 PM
> To: reflector at tvbf.org <reflector at tvbf.org>
> Subject: REFLECTOR: Nose wheel
>
> A question: I have had little trouble with nose wheel shimmy. Once in a
> while I will excite it, but not often. I have recently added my wheel pants
> and all seemed well until the other day. I took off and after climbing to
> 2500 ft and leveling off, I noticed a significant yaw. I could see and feel
> it, and the ball was like three diameters to the right. I looked around
> and checked my rudders and they were fine, so I assumed my nose wheel was
> cocked and acting like a rudder. By this time I was near home, had full
> control over the crab I was flying so I continued back.
>
> On landing I put the nose wheel down gently and it whipped back and forth so
> hard it tore off the back section of the faring. On .later checking, the
> screws holding it to the front half were in the same state they had been,
> the force just tore out the holes. I checked the side force on the wheel
> and it feels about right (I don't have a scale), near 10-15 pounds at the
> axel.
>
> Thinking back, another flight had a slight yaw that I had to trim out.
>
> Needless to say the entire front faring is off now and isn't going back on
> until I have some plan.
>
> So, the question: what is happening here? Have other experienced this?
>
> David Ullman
> N444DX
> President EAA 292
> 541-754-3609
> david at davidullman.com
>
> ****************************************
>
> _______________________________________________
> To change your email address, visit http://www.tvbf.org/mailman/listinfo/reflector
>
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> user:pw = tvbf:jamaicangoose
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>
>
> ------------------------------
>
> Message: 2
> Date: Thu, 16 Aug 2012 09:16:38 -0500
> From: Ron N VelocityXLFG <velocityxl at fastmail.fm>
> To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
> Subject: Re: REFLECTOR: Nose wheel
> Message-ID: <502D00C6.2080903 at fastmail.fm>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> I had a simaliar issue Found if I fly straight and fast it will
> correct the wheel pants. It seems to happen to me mostly on touch and
> goes . I found If I just touch the nose wheel and do not give it time to
> be completely straighten before I lift it off it can happen.
> I have around 10 -15# at the back of the wheel usaly closer to 10#.
> Ballanceing the front wheel I found to be the biggest prevention to
> shimmy. Well that and not bouncing the front wheel on lift off.
>
> Ron
>
> On 8/16/2012 6:40 AM, Andrew Judge wrote:
>> Yeah - you built the pant wrong. Build another one. That's my advice. Happened to me in 1998. My 3rd pair, Velocity built. I never take it off now, only to fill it with air or tighten the nose.
>>
>> Andy
>>
>> ----- Original Message -----
>> From: David Ullman [mailto:ullman at robustdecisions.com]
>> Sent: Wednesday, August 15, 2012 09:15 PM
>> To: reflector at tvbf.org <reflector at tvbf.org>
>> Subject: REFLECTOR: Nose wheel
>>
>> A question: I have had little trouble with nose wheel shimmy. Once in a
>> while I will excite it, but not often. I have recently added my wheel pants
>> and all seemed well until the other day. I took off and after climbing to
>> 2500 ft and leveling off, I noticed a significant yaw. I could see and feel
>> it, and the ball was like three diameters to the right. I looked around
>> and checked my rudders and they were fine, so I assumed my nose wheel was
>> cocked and acting like a rudder. By this time I was near home, had full
>> control over the crab I was flying so I continued back.
>>
>> On landing I put the nose wheel down gently and it whipped back and forth so
>> hard it tore off the back section of the faring. On .later checking, the
>> screws holding it to the front half were in the same state they had been,
>> the force just tore out the holes. I checked the side force on the wheel
>> and it feels about right (I don't have a scale), near 10-15 pounds at the
>> axel.
>>
>> Thinking back, another flight had a slight yaw that I had to trim out.
>>
>> Needless to say the entire front faring is off now and isn't going back on
>> until I have some plan.
>>
>> So, the question: what is happening here? Have other experienced this?
>>
>> David Ullman
>> N444DX
>> President EAA 292
>> 541-754-3609
>> david at davidullman.com
>>
>> ****************************************
>>
>> _______________________________________________
>> To change your email address, visit http://www.tvbf.org/mailman/listinfo/reflector
>>
>> Visit the gallery! www.tvbf.org/gallery
>> user:pw = tvbf:jamaicangoose
>> Check new archives: www.tvbf.org/pipermail
>> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
>>
>> _______________________________________________
>> To change your email address, visit http://www.tvbf.org/mailman/listinfo/reflector
>>
>> Visit the gallery! www.tvbf.org/gallery
>> user:pw = tvbf:jamaicangoose
>> Check new archives: www.tvbf.org/pipermail
>> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
>
>
>
> ------------------------------
>
> Message: 3
> Date: Thu, 16 Aug 2012 09:37:06 -0500
> From: Don Johnston <numa at comcast.net>
> To: reflector at tvbf.org
> Subject: Re: REFLECTOR: Nose wheel shimmy
> Message-ID:
> <CALD29ipUVdBb-2EoZotVRLcvCDuQgHGg9nANE170RVvJ9pW_QQ at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Good luck with that. I haven't been able to get into the archives in over a
> month. All I get now is:
> Forbidden
>
> You don't have permission to access /pipermail/ on this server.
> -Don
> --------------------------------------------------------------
> From: Mark Magee <edjonesbrady at gmail.com>
> Date: Wed, 15 Aug 2012 22:06:27 -0500
> Subject: Re: REFLECTOR: Nose wheel
>
> Hi David,
> I have experienced exactly what you did and with similar results. You need
> to scan the archive using shimmy as your search term.
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>
> ------------------------------
>
> Message: 4
> Date: Thu, 16 Aug 2012 10:00:18 -0500
> From: Brian Michalk <michalk at awpi.com>
> To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
> Subject: Re: REFLECTOR: Nose wheel shimmy
> Message-ID: <502D0B02.60304 at awpi.com>
> Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"
>
> My bad.
> I let that one slip off my list. I should be able to get the archives
> online this weekend.
>
> On 8/16/2012 9:37 AM, Don Johnston wrote:
>> Good luck with that. I haven't been able to get into the archives in
>> over a month. All I get now is:
>>
>>
>> Forbidden
>>
>> You don't have permission to access /pipermail/ on this server.
>>
>> -Don
>> --------------------------------------------------------------
>> From: Mark Magee <edjonesbrady at gmail.com <mailto:edjonesbrady at gmail.com>>
>> Date: Wed, 15 Aug 2012 22:06:27 -0500
>> Subject: Re: REFLECTOR: Nose wheel
>>
>> Hi David,
>> I have experienced exactly what you did and with similar results. You
>> need to scan the archive using shimmy as your search term.
>>
>>
>> _______________________________________________
>> To change your email address, visit http://www.tvbf.org/mailman/listinfo/reflector
>>
>> Visit the gallery! www.tvbf.org/gallery
>> user:pw = tvbf:jamaicangoose
>> Check new archives: www.tvbf.org/pipermail
>> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
>
> -------------- next part --------------
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>
> ------------------------------
>
> Message: 5
> Date: Thu, 16 Aug 2012 11:52:01 -0500
> From: Mark Magee <edjonesbrady at gmail.com>
> To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
> Cc: "reflector at tvbf.org" <reflector at tvbf.org>
> Subject: Re: REFLECTOR: Nose wheel shimmy
> Message-ID: <1208BEAD-CB71-4C7F-9142-F0D3765ED2E7 at gmail.com>
> Content-Type: text/plain; charset="us-ascii"
>
> Go to Brett's forum site and search shimmy.
>
> Mark B. Magee
> N34XL
> Sent from IPhone 4
>
> On Aug 16, 2012, at 9:37 AM, Don Johnston <numa at comcast.net> wrote:
>
>> Good luck with that. I haven't been able to get into the archives in over a month. All I get now is:
>> Forbidden
>>
>> You don't have permission to access /pipermail/ on this server.
>>
>> -Don
>> --------------------------------------------------------------
>> From: Mark Magee <edjonesbrady at gmail.com>
>> Date: Wed, 15 Aug 2012 22:06:27 -0500
>> Subject: Re: REFLECTOR: Nose wheel
>>
>> Hi David,
>> I have experienced exactly what you did and with similar results. You need to scan the archive using shimmy as your search term.
>> _______________________________________________
>> To change your email address, visit http://www.tvbf.org/mailman/listinfo/reflector
>>
>> Visit the gallery! www.tvbf.org/gallery
>> user:pw = tvbf:jamaicangoose
>> Check new archives: www.tvbf.org/pipermail
>> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
> -------------- next part --------------
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>
> ------------------------------
>
> _______________________________________________
> Visit the gallery! tvbf:jamaicangoose
>
> End of Reflector Digest, Vol 89, Issue 59
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