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Vans RV Discussion >> RV Related Discussion >> UL91 Fuel approval
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Message started by Tim Richardson on 15.05.2012 at 11:23:51

Title: UL91 Fuel approval
Post by Tim Richardson on 15.05.2012 at 11:23:51

Is anybody running UL91 in the RV?

I am looking into running UL91 in my two aircraft:
Vans RV7 – Superior IO-360 G-GOVII
Great Lakes 2T-1-2 Lycoming AEIO-360-B1F6 G-GLII

Have been looking at your document -  http://www.lightaircraftassociation.co.uk/2011/unleaded%20AAN.pdf -   LAA- 999-413 Supplement 5

Reading this it lists my Lycoming (Great Lakes) IO-360- B series as approved, I assume I do not need separate approval for AEIO as this relates to inverted oil system rather than fuel.

I also find no specific listing for my Superior engine (Vans). However during construction of the aircraft I was provided with a different injection servo and when I queried the change they informed me it was to enable the engine to run on Mogas. I have never run Mogas – not keen on transporting lots of fuel. But I would assume as it is a Mogas approved installation would this also enable me to run on UL91?

I have emailed LAA Engineering - awaiting response.


Anybody running UL91?

Regards, Tim

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