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- Something Wrong Time 2008-05-29 18:42
- Yes, indeed, something wrong. All happy and pleased with our success with 10%, tree hugging, Olive oil, two stroke lubricant, we decided to test our gold standard. This was a run with only 10%, Klotz Benol, castor oil, two stroke lubricant. The bottle says it's for gasoline and methanol fuelled engines. They include the snowmachine and dirt bike dudes along with those of use running these itty, bitty little toy airplane engines. OK, Klotz, if you're so smart, how do you explain THIS. On 20% Klotz and 80% kerosene, this little Norvel, dieselized .15 is quite happy. Even with no Cetane Booster it WILL run albeit it a little gnarly with some high compression required. The CB allows for lower compression and the run gets as smooth as that fake silk,,, rayon, nylon, whatever.But, at 10% and even WITH a little Cetane Booster, we have something go real bad. This was a surprise and no matter what we did, we had trouble. Even hot from multiple prime runs, we STILL needed prime to get fire. On the OliveLUBE mix, even at 10% we always got a hot start without the need for prime. Occasionally, the 10% Klotz mix would fire off and give us a short run. Sometimes it would just quit. Sometimes it would sag from 9.5K to 6K and stay there for a few minutes and then quit. I really WAS waiting for something to blow UP. It never did but maybe there was something half broke inside that was doing this. So, I fired up on the 10% OliveLUBE and got a nice, normal run. Nope, no WMDs here, so I went and did a Klotz attempt again. Uh uh,,, no sir, no go. So I went back to OliveLUBE. Just fine. This was repeated three times for both mixes for a total of six. All the same result. The Klotz mix needed a full turn richer on the needle but the compression was about the same for both. Both needed slightly higher compression for a start. Could it be that OLIVE OIL is a superior lubricant, in SOME cases compared to Castor oil?One afternoon on one engine doesn't prove anything except that we have some tantalizing possibilities for further experimentation.Addendum:Very important to note is that the runs on OliveLUBE were not just the short clips shown here. This series took a full afternoon, some five hours in all. Many times, the two ounce tank was only 1/3rd down when a test or clip was taken. On all of the mixes except, of course, the castor, I let the engine run out the tank. How long? don't know but many times I let it sing while I posted a clip to this amazing website and waited till the download was complete. Twice I made a hot chocolate to ward off the chill and while looking out the window, I was satisfied that my new muffler system WAS muffling the sound as observed from inside the house. My neighbours were likely pleased too.Addendum:Got a little ahead of myself condemning castor for these poor runs. Well, it was cold and we know that at cold temps, the castor settles out of kerosene. This happens when you don't have any ether in the mix. A good castor like Klotz Benol has the capacity of staying blended without ether but only at reasonable temperatures. Reasonable as in above 40 or 50F. What fooled me was the apparent good mix indicated by the healthy pink glow of fuel in the tank. Looked good, maybe wasn't. This one is going to be repeated in warmer weather. Not likely soon though, winter is here.
- Tag: ».15 »Airplane »BioDiesel »BioLUBE »Diesel »Norvel
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