Today's Message Index:
----------------------
1. 11:51 AM - Re: SS new Air tank weights CJ6A (Walter Lannon)
2. 12:47 PM - Re: SS new Air tank weights CJ6A (Jon Boede)
3. 01:08 PM - Fuel tank vent/siphon (greg.barnhard@gmail.com)
Message 1
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| Subject: | Re: SS new Air tank weights CJ6A |
Just to set the record straight the CJ6 air tanks are not manufactured from
"cast" steel. They are forged from a relatively high tensile carbon steel
probably in the order of AMS 4130 or 4340 and heat treated accordingly. Of
course their primary enemy is moisture and corrosion.
To mitigate the corrosion problem and match that strength with stainless
steel requires a much greater wall thickness.
Walt
-----Original Message-----
From: Ttail
Sent: Saturday, June 15, 2019 11:55 PM
Subject: Yak-List: SS new Air tank weights CJ6A
Gooday All. I have just replaced my original pneumatic tanks with Doug's new
SS Pneumatic tanks. The new tanks are significantly heavier here are the
weights.
Old Emerg Cast tank 1.3Kg
New SS Emerg Tank 3.4Kg
Old Cast Main Tank 6.0Kg
New SS Main tank 13.2Kg
So Basically both Old tanks weighed 7.3Kg
New SS tanks weigh 16.6Kg
A diff of 9.3Kg
So significant W@B issue you need to solve. In my case 10Kg Lead Ballast and
1Kg elsewhere.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=489675#489675
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Message 2
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| Subject: | Re: SS new Air tank weights CJ6A |
In the CJ, heavier tail is better. I have yet to see one that couldnt stand a few
more pounds well aft.
Jon
> On Jun 16, 2019, at 1:57 PM, Walter Lannon <wlannon@shaw.ca> wrote:
>
>
> Just to set the record straight the CJ6 air tanks are not manufactured from "cast"
steel. They are forged from a relatively high tensile carbon steel probably
in the order of AMS 4130 or 4340 and heat treated accordingly. Of course
their primary enemy is moisture and corrosion.
>
> To mitigate the corrosion problem and match that strength with stainless steel
requires a much greater wall thickness.
>
> Walt
>
> -----Original Message----- From: Ttail
> Sent: Saturday, June 15, 2019 11:55 PM
> To: yak-list@matronics.com
> Subject: Yak-List: SS new Air tank weights CJ6A
>
>
> Gooday All. I have just replaced my original pneumatic tanks with Doug's new
SS Pneumatic tanks. The new tanks are significantly heavier here are the weights.
>
> Old Emerg Cast tank 1.3Kg
> New SS Emerg Tank 3.4Kg
>
> Old Cast Main Tank 6.0Kg
> New SS Main tank 13.2Kg
>
> So Basically both Old tanks weighed 7.3Kg
> New SS tanks weigh 16.6Kg
> A diff of 9.3Kg
>
> So significant W@B issue you need to solve. In my case 10Kg Lead Ballast and
1Kg elsewhere.
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=489675#489675
>
>
>
>
>
>
>
>
>
> ---
> This email has been checked for viruses by Avast antivirus software.
> https://www.avast.com/antivirus
>
>
>
>
Message 3
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| Subject: | Fuel tank vent/siphon |
Hello all,
I seem to have an issue with excessive fuel tank venting on my 52W (two main tanks
and two aux tanks). Ive had over five gallons drain out of the central vent
just forward of the collector tank on the belly. I know the one option is to
not put so much fuel in the airplane. However, when I want to go somewhere where
I need full fuel thats inconvenient.
It appears that vent line comes off a tee fitting just under the pilot seat. My
question is, if I make the loop in the vent line significant higher that should
stop the excessive venting? Anyone else have this issue?
Thanks in advance.
Greg
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=489678#489678
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