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| Gas Engines and Power Discuss all aspects of giant scale power systems |
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| | #2 (permalink) |
| Bad-ass Super Contributer! ![]() |
1% oil in the fuel - or 100ml -per 10lt of fuel i run 50:1 = 2%
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| | #4 (permalink) |
| Thanks for the Support! ![]() Join Date: Jan 2006 Location: Cleveland, Ohio Age: 37
Posts: 14,004
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100:1 only sounds right with the RIGHT OIL! Most oils are designed to run 40:1 or 50:1.. there are a select few that you can run 100:1. Make sure you read the oil recommendations!! And your motor recommendations! I'm sure if you email or call Brison, they can recommend a good oil and a good ratio for that motor!
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| | #5 (permalink) |
| IMAC wannabe! ![]() Join Date: Jan 2006 Location: Griffith, NSW, Australia Age: 28
Posts: 2,985
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If you want to be a smart alec about it 100:1 actually equals an oil percentage of 0.990099. And 50:1 actually equals 1.9607 % oil. 1% per volume would be a ratio of 99:1 and 2% would be 49:1. Sorry to be such a geek I am sitting at work with nothing better to do.
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| | #6 (permalink) | |||||||||||||||
| WHATS CRACKALAKIN!!!!!!!!!!!!! ![]() Join Date: Jan 2006 Location: Wentzville, MO Age: 32
Posts: 6,879
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I knew that someone would bring that up....... but 100:1 is a ratio not a percentage correct? you have 100 times the volume of gas versus the volume of oil...... | |||||||||||||||
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| | #7 (permalink) |
| IMAC wannabe! ![]() Join Date: Jan 2006 Location: Griffith, NSW, Australia Age: 28
Posts: 2,985
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That is why 4:1 methanol/castor works out at 20% oil content. For every 4 litres of methanol you add 1 litre of castor giving a total of 5 litres. As there is 1 litre of oil in the total volume of 5 litres 1 divided by 5 equal 0.2 or 20 percent. The back of my Motorexx oil bottle clearly says that to acheive a mix of 100:1 add 100mls of oil to 10 litres of fuel, giving a total of 10.1 litres of fuel......... Anyway like I said above sorry to be a geek!!!!
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| | #8 (permalink) |
| WHATS CRACKALAKIN!!!!!!!!!!!!! ![]() Join Date: Jan 2006 Location: Wentzville, MO Age: 32
Posts: 6,879
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right.....I wasn't limiting the total volume to 100 ounces though... I was making 101 ounces of mix. Its not that much difference and I'm glad that if I have been messing this up that I errored on the side of a richer mixture... for every gallon of gas I put in about 1.3 ounces of oil (1.28 ounces is 1% of a gallon) I figure that its close enough. If I wanted to mix a total of exactly 1 gallon I would use the numbers that you posted... sorry for being an idiot! |
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| | #9 (permalink) |
| IMAC wannabe! ![]() Join Date: Jan 2006 Location: Griffith, NSW, Australia Age: 28
Posts: 2,985
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I was being pedantic mate. At 100:1 or 50:1 its close enough to 1% and 2% that I wouldnt worry at all.
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| | #11 (permalink) |
| Its fokker time ![]() Join Date: Jan 2006 Location: Baltimore Age: 19
Posts: 346
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Zak, start out with Air Cooled for a couple gallons (3-4) at 32:1 then switch to belray. You said you bought this thing used right? 1 Gallon = 128 fluid ounces so 4 ounces of oil in 128 fluid ounces is 32 to 1. There for a 2.5 gallon can would take 10 ounces of oil to reach 32 to 1. 6.4 ounces of oil would give you 50 to 1 with 2.5 gallons of gas.
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| | #12 (permalink) |
| IMAC wannabe! ![]() Join Date: Jan 2006 Location: Griffith, NSW, Australia Age: 28
Posts: 2,985
| Whats wrong with the metric system?? Isnt that what youngsters are learning these days?? Buy a metric measure, buy a 5 litre fuel can and put 100mls in 5 litres you will have 50:1 then.
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