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1. 05:09 PM - Re: Pulsar-List Digest: 2 Msgs - 07/18/13 (Bob Hartunian)
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| Subject: | Re: Pulsar-List Digest: 2 Msgs - 07/18/13 |
Yes, those were from Aerodesigns gear on XP.
Bob H
> From: Pulsar-List Digest Server <pulsar-list@matronics.com>
> Date: Thu, 18 Jul 2013 23:58:16 -0700
> To: Pulsar-List Digest List <pulsar-list-digest@matronics.com>
> Subject: Pulsar-List Digest: 2 Msgs - 07/18/13
>
> *
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> Pulsar-List Digest Archive
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> Total Messages Posted Thu 07/18/13: 2
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> Today's Message Index:
> ----------------------
>
> 1. 01:18 PM - Re: Another nose gear failure (barrynorman@comcast.net)
> 2. 01:36 PM - Re: Another nose gear failure (GREGSMI@aol.com)
>
>
>
> ________________________________ Message 1
> _____________________________________
>
>
> Time: 01:18:04 PM PST US
> From: barrynorman@comcast.net
> Subject: Re: Pulsar-List: Another nose gear failure
>
> Greg,
>
> Are these nose gears on planes before the Skystar nose gear?
>
> Barry
>
> ----- Original Message -----
> From: GREGSMI@aol.com
> Sent: Wednesday, July 17, 2013 9:15:41 PM
> Subject: Pulsar-List: Another nose gear failure
>
>
> We have another nose gear failure, this one caught by the owner, during an
> inspection. In this case, the weld on the back side of the collar had crack
> ed. Fortunately, this was caught before the nose gear fell off.
>
> This is the forth failure I know about in the last two years in the United
> States. I have talked with Alan Gill in the UK and he says they had 4
> =93 5 failures and have started modifying the gears to a sleeve and bolt
> concept. The issue is that the majority of spindle failures have been insi
> de the collar thus an inspection may not reveal the failure until it happen
> s. If a total failure occurs it can cause considerable damage to the aircra
> ft, imagine landing your plane with the front wheel and fork missing.
>
> It is difficult to say what is causing the failures but if you are loading
> the nose gear, an example is 582 flown with full header tank or all 912
> =99s, where the nose gear weight is high, or using non hard surface runw
> ays, then the nose gear is carrying a lot of weight.
>
> In any event, given the crack found today on a 912 aircraft that has been i
> n service for a while, it is safe to say that all nose gears should be care
> fully inspected for cracks in the weld area and also check the spindle to a
> ssure it is straight. If bent or a crack has formed, the gear needs immedia
> te attention. Since the collar may hide a fatigue crack in the spindle, eve
> n these inspections may not reveal a problem.
>
> We have two engineers in our group that are working on a simple fix, simila
> r to that used in the UK. They should have it completed this week. When the
> details are worked out, the repair will be offered to the group. Drawings
> will be provided and if desired, they can provide a complete repair.
>
> Be safe,
>
> ===========
> =
>
> ________________________________ Message 2
> _____________________________________
>
>
> Time: 01:36:47 PM PST US
> From: GREGSMI@aol.com
> Subject: Re: Pulsar-List: Another nose gear failure
>
> Yes, this is the Aerodesigns nose gear.
>
>
> In a message dated 7/18/2013 3:18:27 P.M. Central Daylight Time,
> barrynorman@comcast.net writes:
>
> Greg,
>
> Are these nose gears on planes before the Skystar nose gear?
>
> Barry
>
>
> ____________________________________
> From: GREGSMI@aol.com
> Sent: Wednesday, July 17, 2013 9:15:41 PM
> Subject: Pulsar-List: Another nose gear failure
>
>
> We have another nose gear failure, this one caught by the owner, during an
>
> inspection. In this case, the weld on the back side of the collar had
> cracked. Fortunately, this was caught before the nose gear fell off.
> This is the forth failure I know about in the last two years in the United
>
> States. I have talked with Alan Gill in the UK and he says they had 4
> =93 5
> failures and have started modifying the gears to a sleeve and bolt concept
> .
> The issue is that the majority of spindle failures have been inside the
> collar thus an inspection may not reveal the failure until it happens. If
> a
> total failure occurs it can cause considerable damage to the aircraft,
> imagine landing your plane with the front wheel and fork missing.
> It is difficult to say what is causing the failures but if you are loading
>
> the nose gear, an example is 582 flown with full header tank or all 912
> =99s,
> where the nose gear weight is high, or using non hard surface runways,
> then the nose gear is carrying a lot of weight.
> In any event, given the crack found today on a 912 aircraft that has been
>
> in service for a while, it is safe to say that all nose gears should be
> carefully inspected for cracks in the weld area and also check the spindle
> to
> assure it is straight. If bent or a crack has formed, the gear needs
> immediate attention. Since the collar may hide a fatigue crack in the spin
> dle,
> even these inspections may not reveal a problem.
> We have two engineers in our group that are working on a simple fix,
> similar to that used in the UK. They should have it completed this week. W
> hen
> the details are worked out, the repair will be offered to the group. Drawi
> ngs
> will be provided and if desired, they can provide a complete repair.
> Be safe,
> Greg
>
>
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>
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