Today's Message Index:
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1. 12:52 AM - Re: 912 oil return line in silicon912 oil return line in silicon (John Archer)
2. 07:00 AM - Re: 912 oil return line in silicon (Ken Ryan)
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| Subject: | Re: 912 oil return line in silicon912 oil return line |
in silicon
Thanks for everyones comments regarding the use of silicon tubing for the oil return
line which would seem not to be a problem.
Brians remark about all hoses not having the same characteristics is a valid one
but I will be using the same quality and type that is on the oil inlet line.
Best regards,
John
Do not archive
Sent from my iPad
Message 2
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| Subject: | Re: 912 oil return line in silicon |
The Rotax Installation Manual lays out the required specs on oil hoses. As
far as heat, silicone is usually better than rubber (@500F vs @375F).
Another spec is resistance to vacuum (hose collapse). I don't remember what
else is discussed. Check the Installation Manual against the specs of the
hose you are considering.
On Fri, Feb 21, 2020 at 9:53 AM JohnFrance <77alembert@gmail.com> wrote:
> 77alembert@gmail.com>
>
> Hello,
> I am replacing the hoses on my 912 and I am thinking of using silicon hose
> for the oil return line. This is probably the hose that is the most
> affected by heat as just above the exhaust system. It works in a low over
> pressure environment of around 0,35 bar yet I have never seen a silicon
> tube used on this line. On the other hand the oil pump feed line (used in
> an under pressure environment) is often made of silicon.
> Is there a reason for not using a silicon return line as the rubber ones
> harden due to heat?
> Regards,
> John
>
> --------
> Europa mono Nr 192
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=494929#494929
>
>
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