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airmanv2
Joined: 01 Dec 2013
Posts: 49
Location: France - Normandy
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 Posted: Tue Apr 29, 2014 10:42 pm Post subject: Smoke system and ballast mounting |
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Hello,
We have discovered a problem which might be hazardous. The transverse frame which carries the ballast weights and the smoke tank on top is insecure and is at risk of collapse into the fuselage, threatening the control runs (cables etc) if the support gives way.
The frame was never intended to carry this much weight and has not been reinforced when the weights and smoke tank were fitted. ANY aerobatics or a heavy landing might cause loss of structural integrity in this area. I enclose a photo of broken rivets which show the weakness. We can install additional support brackets which will make this area secure .
How did you do for your system?
Best
Bruno
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airmanv2
Joined: 01 Dec 2013
Posts: 49
Location: France - Normandy
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| Posted: Tue Apr 29, 2014 10:53 pm Post subject: Re: Smoke system and ballast mounting |
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Just missing to say that's on a CJ6 ,
picture taken by the right trapdoor behind the wing, the yellow vertical bar is to the front , the limit of the electronic compartment (most of them removed , and now luggage compartment)
The ballast is made by 2 heavy steal plaque and smoke system fitted over it.
Bruno
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Dawg
Joined: 19 May 2013
Posts: 355
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| Posted: Wed Apr 30, 2014 7:06 am Post subject: Smoke system and ballast mounting |
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Like I said, buy a YAK! (lol)
On Apr 30, 2014, at 0:53, "airmanv2" <bruno.blanchard2(at)gmail.com> wrote:
| Quote: |
Just missing to say that's on a CJ6 ,
picture taken by the right trapdoor behind the wing, the yellow vertical bar is to the front , the limit of the electronic compartment (most of them removed , and now luggage compartment)
The ballast is made by 2 heavy steal plaque and smoke system fitted over it.
Bruno
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Fly safe
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=422570#422570
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Harv
Joined: 01 Jul 2010
Posts: 172
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| Posted: Tue May 06, 2014 4:54 am Post subject: Re: Smoke system and ballast mounting |
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Bruno
We removed all the defunct Chinese military radio crap from this area and from both cockpits. This lightened my a/c by something like 50kg!
I believe the way it's been done on your a/c is a quick cheap solution and would encourage the above modification which will allow you to do away with the steel ballast plates in the area you mentioned.
It's quite involved to do and will require re-weighing and ballasting.
Either way you have a problem with those loose rivets that needs fixing right NOW!
Rgs Harv
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