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  1. #51

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    RE: COX .049 plane engine Fuel

    I just purchased a gallon of 30% nitro fuel and filled the void at the top with castor to bring the level to the very top of the bottle. Swished it around a few times and let set overnight so everything would mix up well.

    The two little .049's I ran in fired right up and ran just fine.

    Regards,

    Clay
    If it ain\'\'\'\'t yours; don\'\'\'\'t touch it!

    Club Saito member #726

  2. #52
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    RE: COX .049 plane engine Fuel

    fosterdad,
    On the SIG site http://www.sigmfg.com/cgi-bin/dpsmar...FV4.html?E+Sig
    On the left side, click Field Equipment > Fuel > Fuel - Airplane
    When the fuels are displayed in the middle, click the 'Norvel 1/2A Fuel'
    NVX 25 is $7.99 per quart
    NVX 35 is $8.99 per quart
    Either should work well. A quart should be plenty for a while.
    - Carrell

  3. #53
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    RE: COX .049 plane engine Fuel


    ORIGINAL: roxley

    Hi,
    I have a Cox 049 that has a standard connecting rod and a wrist pin in the piston. I know this because I just had to make a replacement after the rod end broke off from the rod at the piston end. This must be an oldie, right?
    Randy
    That sounds like an OK Cub .049
    \"Keep it clean and not too lean\" Duke Fox

  4. #54

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    RE: COX .049 plane engine Fuel

    I've read through this thread and am still unsure about some fuels. What is the oil content of the Norvel 1/2A fuels? I believe it is 18% oil, but what kind? I can find this locally.

    Also, the Sig champion fuel is 1/2 castor and 1/2 klotz. Is this okay?

    I, too, am looking for a definative answer on what fuel I can run in my newly acquired used .049 cox babe bee.

  5. #55

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    RE: COX .049 plane engine Fuel

    Our fuel has 17% all castor oil. Our opinion is castor is the best lube for these really small engines because it continues to lubricate even when it burns. And if it starts to burn, this means you are experiencing a lean run, which can be death to 1/2A engines. Whatever fuel brand you buy, castor lube is still the best for very small displacement engines.

    GPB
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  6. #56

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    RE: COX .049 plane engine Fuel

    I'm new to this forum glowplugboy. By whom do you mean "our fuel"? Norvel? Some other brand? I've read the same about castor and Cox and am trying to find a suitable fuel. Thanks.

    peace

  7. #57
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    RE: COX .049 plane engine Fuel

    ORIGINAL: harphunt
    I've read through this thread and am still unsure about some fuels. What is the oil content of the Norvel 1/2A fuels? I believe it is 18% oil, but what kind? I can find this locally.
    Also, the Sig champion fuel is 1/2 castor and 1/2 klotz. Is this okay?
    I, too, am looking for a definative answer on what fuel I can run in my newly acquired used .049 cox babe bee.
    I would give SIG a call and ask them what is in the fuel.
    1-641-623-5154
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  8. #58

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    RE: COX .049 plane engine Fuel

    ORIGINAL: harphunt

    I'm new to this forum glowplugboy. By whom do you mean ''our fuel''? Norvel? Some other brand? I've read the same about castor and Cox and am trying to find a suitable fuel. Thanks.

    peace
    I don't want to be accused of trying to sell something, so all I will say is my company produces a 1/2A fuel. The name of the 1/2 A fuel is "Glowplugboy Rocket 24". It consists of 24% nitro, 17% all castor oil lube. It bridges the gap between 15% nitro, which is a little too cool, and 30/35% nitro, which is a little too hot. Contact me in a PM if you are interested in further details. It is our most popular selling blend.
    Representative of<br>
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  9. #59

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    RE: COX .049 plane engine Fuel

    carrellh - I did just that already! Good idea.

    glowplugboy - I found you. Thanks for your decorum.[sm=thumbup.gif]

    I've found that Byron makes a 25% nitro 16% castor that might be available locally without having to pay shipping. At least I know there is fuel somewhere.

    peace

  10. #60

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    RE: COX .049 plane engine Fuel

    Byron's is excellent fuel. I used to be a distributor for it until I started my own label. Very consistant bottle to bottle.
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  11. #61
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    RE: COX .049 plane engine Fuel

    The Cox engines with wrist pins were the .15 Tee Dee MK 2 and Medallion series. The piston was Meehanite (cast tempered iron) vice the traditional bar stock steel with case hardened skirt. The rod was 2024 T3. The medallions used the remaining stock when the TD .15 was discontinued.
    \"Keep it clean and not too lean\" Duke Fox

  12. #62

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    RE: COX .049 plane engine Fuel

    Will this work? Its 25% nitro and 18% oil.

    http://www3.towerhobbies.com/cgi-bin...&I=LXEPD2&P=BR

  13. #63
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    RE: COX .049 plane engine Fuel

    18% is probably a little low, I would use 20%lube but only if Icould not find higher.
    Club Saito # 677-Team Boca Bearings-Star Collectibles Muscatine-Glowhead Brotherhood #19

  14. #64

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    RE: COX .049 plane engine Fuel


    ORIGINAL: matt123456

    Will this work? Its 25% nitro and 18% oil.

    http://www3.towerhobbies.com/cgi-bin...&I=LXEPD2&P=BR
    Chances are this is all synthetic lube.... and Cox/Norvel engines need all castor lube. It will work, but you run the risk of burning up a hot running .049 with just a single lean run.
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  15. #65
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    RE: COX .049 plane engine Fuel

    Cox had all kinds of blends but the most used were the 15% and the 30% nitro content. Some advertisements support the idea there were types that came out with a blend of oils, not necessarily all castor. I would guess it was for high heat applications such as cars or boats.

    jeffie, you can always add castor oil to what you purchase. You just need to know how much to add to your current oil percent.

    Here is a link to a fuel calculator that will help a bunch...

    Fuel Mixture Calculator

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    Contains only the finest ingredients, Methanol, Castor Oil and Nitromethane

  16. #66

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    RE: COX .049 plane engine Fuel

    Jetpack, your picture postings take me back to my youth, flying a Sterling balsa sheet "Shoe String" Cox Babe Bee .049 U/C trainer. You could fly for a month on a quart of Cox fuel. I also used Fox Missle Mist for my .049's. And just look at those prices! Your link to RC Nitro.com is very interesting and informative.
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  17. #67
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    RE: COX .049 plane engine Fuel

    Jetpack, Thanks, Ialready use the calculator to mix my 1/2A fuels from available car fuels. Ican get castor at the local pharmacy.
    Club Saito # 677-Team Boca Bearings-Star Collectibles Muscatine-Glowhead Brotherhood #19

  18. #68

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    RE: COX .049 plane engine Fuel

    So if i bought the fuel i found and used the calculator to add more oil, could i use it? Would i add synthetic or Castor Oil?
    Or should i just buy the cox blend.

  19. #69
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    RE: COX .049 plane engine Fuel

    Iwould just add simple castor. Iget mine from the pharmacy , just make certain it has no added sugar.
    Club Saito # 677-Team Boca Bearings-Star Collectibles Muscatine-Glowhead Brotherhood #19

  20. #70

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    RE: COX .049 plane engine Fuel


    ORIGINAL: jeffie8696

    IĀ*would just add simple castor. IĀ*get mine from the pharmacy , just make certain it has no added sugar.

    Interesting. I never knew Rx castor oil might have sugar in it...... I can't imagnine it tasting any better
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  21. #71
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    RE: COX .049 plane engine Fuel

    Yuk!!!!!!!![:'(]and even more YUK!!![:'(] Smells good running though.
    Spektrum DX8i, DA DLE SuperTigre OS FOX Saito Enya Jett TT: John 3:16

  22. #72

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    RE: COX .049 plane engine Fuel


    ORIGINAL: Jezmo

    Yuk!!!!!!!![:'(]and even more YUK!!![:'(] Smells good running though.
    Yes, Yuk indeed[:'(][:'(][:'(]
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  23. #73
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    RE: COX .049 plane engine Fuel

    The only time Ihave tasted it was after it had already been mixed with Nitro and Methanol. Yuck is right!!!
    Club Saito # 677-Team Boca Bearings-Star Collectibles Muscatine-Glowhead Brotherhood #19

  24. #74
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    RE: COX .049 plane engine Fuel

    ORIGINAL: glowplugboy

    Jetpack, your picture postings take me back to my youth, flying a Sterling balsa sheet ''Shoe String'' Cox Babe Bee .049 U/C trainer. You could fly for a month on a quart of Cox fuel. I also used Fox Missle Mist for my .049's. And just look at those prices! Your link to RC Nitro.com is very interesting and informative.
    My first control line was a Sterling Shoe String also. I built it a little early in my age, and never got to fly it. Painted it up good though, and the engine ran fine out on the porch but for some reason the dope I used melted. Never knew that there was two kinds...LOL! My next build a year or so later went a lot better, a Goldberg Lil' Satan. Fast even with a Babe Bee.

    Here's another advertisement that admits using synthetic oils, but doesn't say what kind or how much. I'll still use all castor in mine though.

    I remember Missle Mist fuel with the blue can and the rockets with the contrails behind them. An older kid down the block would have that, and never would swap fuel with me but I remember him liking it more than the Cox fuel. Maybe it was the higher nitro?? No idea. It could be it left less of a mess with synthetics??

    Anyways, how about picking up a few gallons at this price?
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    Contains only the finest ingredients, Methanol, Castor Oil and Nitromethane

  25. #75

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    RE: COX .049 plane engine Fuel

    Interesting ad for Cox.... and at the time the synthetics were not what they are now. I wonder what they were using? Missle Mist was a Duke Fox blend of 24% nitro, 17% castor. Similar to what I blend for 1/2A engines.
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