Bob,
I am no wiser than you (probably less) but at a Rotax maintenance course
held in Norway recently, the expert recommended strongly against any "smart"
additives to oil or fuel. Check out the recent information from Rotax on
recommended oil to use when running on AvGas, one of which is the one they
just have developed together with Shell. Changing the oil at 25 hour
intervals when running on AvGas is a very safe approach. Also check
maintenance instructions on the slipper clutch inspection intervals.
What the expert emphasisized on several issues was that even though nobody
had experienced anything negative with this or that deviation from Rotax'
recommendations, the long term effects or certain operational conditions
might bring it to the surface.
Regards,
Svein
LN-SKJ
> Personally, I will only be using AvGas in my Rotax once it is running.
> Two reasons. #1 Alcohol in MoGas, I won't run it in my Rotax. #2
> Difficulty obtaining MoGas at or near airports across the US, better to
> stick with one type and not worry about it. I do plan to use Decalin TCP
> & Marvel Mystery Oil as additives in my AvGas and will change the oil at
> 25 hour intervals.
>
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