Nice pic, Graham.
Is it flying again?
Brian
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of GRAHAM
SINGLETON
Sent: 11 May 2011 14:44
Subject: Re: SV: Europa-List: Carb, fuel and oil tube heat shielding
Hi Brian
maybe I should do it on my Lycoming. Plenty of heat under that cowling.
The exhaust extraction works well though.
Graham
_____
From: Brian Davies <brian.davies@clara.co.uk>
Sent: Wednesday, 11 May, 2011 14:03:25
Subject: RE: SV: Europa-List: Carb, fuel and oil tube heat shielding
Graham,
The modern stuff does not do that, but is very expensive.=C3=82 It is
interesting that the LAA approves it on some Rotax 912 installations.
Regards
Brian
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of GRAHAM
SINGLETON
Sent: 11 May 2011 12:01
Subject: Re: SV: Europa-List: Carb, fuel and oil tube heat shielding
I agree Sven,
there is also the problem of wear and tear of the wrapping. We used to
find it shed fibres and dust into the engine bay which is not very good.
There's probably too much low frequency vibration.
Graham
_____
From: Sidsel & Svein Johnsen <sidsel.svein@oslo.online.no>
Sent: Wednesday, 11 May, 2011 9:26:02
Subject: SV: Europa-List: Carb, fuel and oil tube heat shielding
Brian,
I do not want to recommend for or against exhaust wrapping, because I
have no experience with it, but my quick comment is this:
I would rather not reduce the air cooling of the exhaust pipes. Have
you seen the photo from Rotax=C3=A2=82=AC=84=A2 engine test bed,
at max take-off condition? Frightening, if you did not know that it is
designed to take it: The exhaust pipes are literally glowing red!
After I saw this, I always think about it at lift-off and reduce to
climb setting as soon as it is safe.
My personal view is therefore to reduce the radiation that hits the
carbs and rubber hoses as much as possible, rather than trying to
prevent the heat from escaping its source. Shielding the carbs and the
hoses has only positive effects, and weighs very little.
Regards
Svein
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