Today's Message Index:
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1. 12:59 AM - Re: Coolant leak (Richard Iddon)
2. 12:27 PM - Re: Coolant leak (Paul McAllister)
Message 1
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| Subject: | Re: Coolant leak |
Have folks replaced the worm drive clips on fuel lines with spring clips also?
Richard Iddon.
On 22 Dec 2011, at 00:05, Terry Seaver (terrys) wrote:
>
> Hi,
>
> Ditto, we had leakeage for years with the worm drive clamps. As the inner metal
fitting heats first (and expands) it crushes the hose against the clamp, which
does not heat as quickly. As it cools, the crushed hose now has space for
coolant to leak from. Later on, you notice the loose clamp and tighten it a
little. The next time you run the engine, the process repeats itself. We finally
switched to spring clamps and have not had the problem since.
>
> Terry Seaver
>
>
>
> -----Original Message-----
> From: owner-europa-list-server@matronics.com on behalf of Paul McAllister
> Sent: Wed 12/21/2011 2:44 PM
> To: europa-list@matronics.com
> Subject: Re: Europa-List: Coolant leak
>
> Hi Richard,
>
> It has been my experience that worm drive clips will ultimately leak due to
> the thermal expansion & contraction from summer to winter. I ended up using
> the spring clips similar to what Rotax use for the coolant hoses on the top
> of the engine.
>
> Cheers, Paul
>
> <winmail.dat>
Message 2
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| Subject: | Re: Coolant leak |
Hi Richard,
I exchanged my worm drive clips for fuel injection hose clips in an effort
to stop the fuel smell. At the time it did not occur to me to use constant
tension clips (CTC).
With that said, I used CTC's to solve a thermal expansion problem which is
a little different to the issue I was having with my fuel hose.
Many people may disagree with me, but of the few things I wish I had done
differently in my build it was to have used all metal fuel lines. They are
lighter and last forever.
Paul
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