paramotorcu arkadaşlarımın dikkatine:
etanol kullanımının artması sonucunda güncellenme gereği duyulmuş..(örneğin top80 de full sentetik yağda hepimizin yaptığı %2 oranı %1,5 a düşürülmüş)
2 STROKE OILS
Note: Miniplane has updated (as of July 2016) their requirements recently due to changes in gasoline blends throughout the western world i.e. the increased use of ethanol. Other manufacturers continue to update their requirements so check this site often.
Thor and Top 80 --Semi-synthetic 2-cycle oil at 2% mix (50:1 ratio) with all types of gasoline. 100% synthetic oil at 1.5% mix (67:1) but only with ethanol free premium gasoline or AVGAS.Miniplane has reported that using 100% synthetic oils at the 2% mix ratio may cause engine overheating.
Minari -- 100% synthetic oil at 2.5% (40:1) AVGAS or ethanol free fuel only
Fresh Breeze Simonini Mini 2 Plus -- 100% synthetic oil at 2% (50:1) AVGAS or ethanol-free fuel only
Simonini Mini 2 Plus -- The factory version of this engine has special fuel and oil requirements because of different tuning than the Fresh Breeze version.
Higher mix ratio -- Why use a higher mix ratio? Pilots will immediately notice that engines running at 1.5% run more smoothly and cooler. Miniplane allows a 1.5% mix (67:1) for the Top 80 and Thor models if 100% synthetic oil only is used. However, do not use gasoline containing ethanol at the higher mix ratios. You must use either AVGAS (preferably) or premium unleaded that has no ethanol in it.
The brands of oil Miniplane recommends for a 1.5% mix are not available in the U.S. However, the recommended oil brands all have the JASO FD rating. Why use the lesser oil mix? Engines using the 1.5% mix will run cooler and more efficiently because of the lower viscosity of the fuel mix. In addition, the lower ratio has less negative impact on the octane value of the fuel. That is, the addition of oil to the fuel mix lowers the octane value of the fuel. Lowering the octane of the fuel can cause overheating and pre-ignition. We have observed that the 1.5% mix results in a smoother running engine and a small improvement in power output.
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