Today's Message Index:
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1. 01:55 AM - Re: Rotax Cooling Air Baffle (GTH)
2. 11:22 AM - Re: Re: Rotax Cooling Air Baffle (D McFadyean)
Message 1
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| Subject: | Re: Rotax Cooling Air Baffle |
Le 24/10/2021 19:04, rparigoris a crit:
>
> Hi Group Has anyone flying with Rotax Cooling Air Baffle modified the internal
flow to give cylinders #3 and #4 a little more flow compared to the front two
cylinders? How about with a 914 even giving #3 a little more flow compared to
#4? This coming week going to test mine with a leaf blower. Thx. Ron
>
>
Hello Ron and all,
We installed the Rotax air baffle on our 914 and made some measurements
at the time.
Here are some considerations :
With adequate sealing around the baffle and some pressure recovery
(expanding inlet), all 4 cylinders get enough cooling air.
Only the #1 gets some extra blast from the "bizarre" Rotax inlet.
Due to liquid cooling, the cylinder heads are good "temperature sources"
and the cylinder temps never exceeded 100/120 C.
FWIW,
--
Best regards
Gilles
http://contrails.free.fr
http://lapierre.skunkworks.free.fr
Message 2
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| Subject: | Re: Rotax Cooling Air Baffle |
https://www.rotax-owner.com/pdf/IM_912_Series_Ed3_R0.pdf
Page 132 et seq.
Duncan Mcf.
> On 24 October 2021 at 20:27 rparigoris <rparigor@hotmail.com> wrote:
>
>
>
> Hi Duncan Thank you for reply. Do you by chance have any pics or documentation
of under baffles? What Rotax document speaks of using a cylinder thermocouple
for monitoring cylinder wall temp? Thx. Ron P.
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> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=503612#503612
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