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1. 08:05 AM - Re: Zenith601-List Digest: 2 Msgs - 04/23/18 (Comcast)
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| Subject: | Re: Zenith601-List Digest: 2 Msgs - 04/23/18 |
I use a bore scope to get a good look. My brackets are painted so if a crack appears,
it should show by means of broken paint.
I do look now at every oil change.
Mine fit snug during assembly so I dont believe there is unintended stress.
I do keep my eye open for it though
- Rich
> On Apr 24, 2018, at 1:47 AM, Zenith601-List Digest Server <zenith601-list@matronics.com>
wrote:
>
> *
>
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> ----------------------------------------------------------
> Zenith601-List Digest Archive
> ---
> Total Messages Posted Mon 04/23/18: 2
> ----------------------------------------------------------
>
>
> Today's Message Index:
> ----------------------
>
> 1. 06:56 AM - Horizontal Stabilizer Safety Bulletin 2017 (Bobby Paulk)
> 2. 07:51 AM - Re: Horizontal Stabilizer Safety Bulletin 2017 (Paul Mulwitz)
>
>
>
> ________________________________ Message 1 _____________________________________
>
>
> Time: 06:56:14 AM PST US
> From: Bobby Paulk <bobbypaulk@comcast.net>
> Subject: Zenith601-List: Horizontal Stabilizer Safety Bulletin 2017
>
> Re: Horizontal Stabilizer Safety Bulletin 2017
>
>
> While doing my "Condition" Inspection I found out about the cracked attach brackets
> on the Zodiac. I examined all the visible ones very carefully and found no
> problems. I believe the cracking is due to very poor workmanship and using an
> over sized washer that extended into the curved radius of the bend in the metal.
> The photos on the site are a sign of very poor workmanship and not a design
> problem. My plane was built using the fast build kit and the Horizontal Stabilizer
> spar and attach fittings came assembled from the factory.
>
> I would like to know what most builders are doing about the 2 angles inside the
> skin. At this time I do not believe I will remove and cut the hole to examine
> them.
>
> Any input from builders would be appreciated.
>
> Thank You
>
>
> Bobby
>
> Zodiac 601 "B"
>
> Jabiru 3300 295 hrs.
>
> ________________________________ Message 2 _____________________________________
>
>
> Time: 07:51:32 AM PST US
> Subject: Re: Zenith601-List: Horizontal Stabilizer Safety Bulletin 2017
> From: Paul Mulwitz <psm@att.net>
>
> I'm not sure I understand the attach bracket problem. That said, I
> didn't like the way the 4 aluminum parts holding the horizontal
> stabilizer in place on my Zodiac XL were performing. The stabilizer
> could be moved easily by applying force on the end. So I changed them
> to steel. The stabilizer is firmly attached on my plane.
>
> We should remember there was no revision control on the Zodiac XL
> changes. It is possible that each one of the thousand copies of this
> design is different from the others.
>
> Paul
> Camas, WA
> CH601 XL (I installed the upgrade but didn't change the part number to
> "B". My plane was already registered when Zenith decided the upgrade
> changed the part number.)
>
>> On 4/23/2018 6:53 AM, Bobby Paulk wrote:
>>
>> Re: Horizontal Stabilizer Safety Bulletin 2017
>>
>>
>> While doing my "Condition" Inspection I found out about the cracked
>> attach brackets on the Zodiac. I examined all the visible ones very
>> carefully and found no problems. I believe the cracking is due to very
>> poor workmanship and using an over sized washer that extended into the
>> curved radius of the bend in the metal. The photos on the site are a
>> sign of very poor workmanship and not a design problem. My plane was
>> built using the fast build kit and the Horizontal Stabilizer spar and
>> attach fittings came assembled from the factory.
>>
>> I would like to know what most builders are doing about the 2 angles
>> inside the skin. At this time I do not believe I will remove and cut
>> the hole to examine them.
>>
>> Any input from builders would be appreciated.
>>
>> Thank You
>>
>>
>> Bobby
>>
>> Zodiac 601 "B"
>>
>> Jabiru 3300 295 hrs.
>>
>
>
>
>
>
>
>
>
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