I will give Andy Draper at the LAA a call, perhaps he already reads this
list.
It would be a shame if Jabiru were to block this from happening, I'm a big
Jabiru engine fan=8A. In concept=8A but the poor thing has struggled with
temperature issues throughout it's life. I'd love to climb to 5,000ft full
power without it cooking! I have little doubt water cooled heads would
improve reliability, reduce risk of valves dropping, and improve probabilit
y
of hitting TBO.
If there is no way to put innovations like this forward, with all the prope
r
controls and checks, the UK would be missing out =AD and that's a shame.
From: GRAHAM SINGLETON <grahamsingleton@btinternet.com>
Date: Fri, 28 Oct 2011 12:08:13 +0100 (BST)
Subject: Re: Europa-List: Rotec Liquid Cooled Heads for the Jabiru 3300
That's a shame Tony,
seems to me it's the sensible thing to do with a Jab. Or a Lycoming if it
comes to that! {{;-<
Someones cage needs to be rattled (imho)
regards
Graham
From: ANTHONY HIGGINS <anthonyhiggins596@btinternet.com>
Sent: Friday, 28 October, 2011 11:52:48
Subject: Re: Europa-List: Rotec Liquid Cooled Heads for the Jabiru 3300
Hi,
Best to check this with LAA. I have checked and it seems to be a dead end.
Some thing to do with Jabiru not allowing the engine to be seen as a new
type in the UK.
Regards Tony Higgins,
Europa Mono G-CHAH Airmaster Prop
From: Carl Meek <carlmeek@gmail.com>
Sent: Friday, 28 October 2011, 8:38
Subject: Europa-List: Rotec Liquid Cooled Heads for the Jabiru 3300
Hi,
This is my first post, I hope it works! I'm posting this to the Europa lis
t
rather than the Jabiru engine list because the Jab 3300 getting too hot
seems to be a specific Europa problem, even listed on the LAA's approval
document as an issue!
Anyway, I have been looking at the ROTEC LCH (Liquid Cooled Heads) and I
think this is a really interesting idea, bringing a key feature across from
the Rotax engines. They claim that in an hour of ground running at WOT the
heads only hit 200 degrees!
Here's the link:
http://www.rotecaerosport.com/product-info/lch/
I'm posting on here not to spark a "Jabiru vs Rotax" debate, we all know ho
w
that debate goes, I'm simply looking for people's thoughts on this idea.
Technical and otherwise.
My other particular line of enquiry is how likely this is to get Prototype
Modification Approval with the LAA, how onerous this will be, how much down
time the aircraft is likely to have as a result.
Regards,
-Carl.
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