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Fuel Dinosaur -> RE: Measurment Beakers (4/9/2007 12:42:50 AM)
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quote:
ORIGINAL: jetpack
Has anyone done the legwork on finding liquid mesurement beakers or equipment that suits us model fuel people that want to mix their own? Whats out there? All I know is from what I remember seeing from science class in high school. LOL.
I want to mix my own but need advice on what should be looked for in "equipment."
Cheapest is a metric 1000 ml graduated pyrex measuring cup, glass, found in many large grocery stores and chains. Best is probably a Nalgene 4000 ml and 100 ml graduated cylinder if you mix a lot (Those are those tall cylinders with the numbers in milliliters on the side). You can get these from Fisher Scientific and many other companies on the internet. 4000 ml is a little more than a gallon. Also, remember that you can mix and store fuels in HDPE jugs (High Density PolyEthylene). In bulk, they are only about $1.00 or so and can be used after cleaning a number of times. Make sure they are new or at least clean and dry if not new. A little better is fluorinated HDPE jugs, but many find they are not worth the extra expense. If you have a Nalgene 4000 and 100 ml graduate, you can just mix up about any fuel you would use. The reason I suggest the above is that some plastic containers that are metric do not work well with nitromethane, or methanol, or oils. Remember most of the jugs you buy commercial fuel in are one gallon HDPE jugs, so we know they are reasonably compatible with methanol, nitro, castor and various other methanol-soluble oils. Please, please learn to mix all your fuels by simple volumes and not mess with specific gravity, density and similar terms. Nitro is very heavy, so if you put 10% in your fuel by weight, you only have about 1/1.7 of that amount actually in your fuel, based on percents. Hope this information helps. The old fuel mixing dinosaur.
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