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  1. #1

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    blending fuels/nitro?

    Need some answers, if i take one quart of fuel A, which is 25% nitro and all castor , and add in 10 oz of fuel B which is 15% nitro and a 20% castor synthetic blend.

    ? Is, after mixing these two fuel with numbers given, what will be the nitro content of the blend?

  2. #2

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    RE: blending fuels/nitro?

    Jayseas,

    How many oz in a US Quart? - Imperial quarts are 20oz.
    Regards
    Greg

    Elwood: They're not gonna catch us. We're on a mission from God.

  3. #3
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    RE: blending fuels/nitro?

    A US quart is 32 oz.  So the math goes like this, 32 oz (w/ 8 oz nitro) + 10 oz (w/ 1.5 oz nitro) = 42 oz (w/ 9.5 oz nitro), or 22.6% nitro.  (That's 9.5 divided by 42 times 100).

    The castor/synthetic numbers are irrelivant to the discussion of nitro content.

    Phil
    Phil, Waco brother #144
    If the truth were self-evident, eloquence would be unnecessary-Cicero

  4. #4

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    RE: blending fuels/nitro?

    Thanks Philip,

    You took the words outta my mouth, all I needed was the US quart size.
    Regards
    Greg

    Elwood: They're not gonna catch us. We're on a mission from God.

  5. #5

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    RE: blending fuels/nitro?

    Here is a fuel mixture calculator I wrote in Excel to mix two fuels with different nitro and oil levels and add extra castor if desired. It also allows you to specify the synthetic/castor blend. The calculator is designed to yield one quart of fuel.

    I fly 1/2A and don't mix more than a quart at a time - I just got tired of doing the calculations by hand.

    andrew
    the "other" andrew
    I'm not older than dirt, but I can remember when it was patent pending

  6. #6

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    RE: blending fuels/nitro?

    Thank you, fill kinda dumb now if i would have just put more thought into the matter.

  7. #7

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    RE: blending fuels/nitro?

    Thanks Andrew for the info. Helpfull.


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