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Type: Posts; User: gkamysz

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  1. Replies
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    RE: Prop on a car engine

    Testing a car engine for performance should be done on an inertia dyno. It's the quickest way to get a curve through the entire RPM range. A prop will only give data for one speed. Do the math and...
  2. RE: BOLD PREDICTION: Zenoah will eventually follow FUJI IMVAC down the crapper

    The time has come. http://www.dieselrc.com/x/other/popcorn.gif

    http://www.rcuniverse.com/forum/m_10938557/tm.htm

    ...
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    RE: E85 in the OS Bio-Ethanol engines

    He's thinking of the Enya Gasoline glow plug engine.

    It's been done with E85 and regular hot glowplugs. Just get several plugs and try, even four stroke plugs in a two stroke. Good luck. They...
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    RE: Oil holes in conrods?

    <span style="font-family: Verdana, Arial; font-size: 13px; background-color: rgb(251, 252, 255); ">This was an airplane engine.</span><hr style="font-family: Verdana, Arial; font-size: 13px;...
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    RE: OS 40FP with DDD

    Dave, if the engine is set correctly, I agree. Our diesels are usually set near detonation on the side of normal combustion. If you're conservative on settings, the engine will be fine. Not every...
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    RE: Oil holes in conrods?

    <blockquote class="quote" style="border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid;...
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    RE: OS 40FP with DDD

    There is less margin of error to get the actual ignition timing right. When the engine is turning slower it's much easier for the pressure rise in the cylinder to be very fast and this leads to high...
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    RE: Oil holes in conrods?

    <blockquote class="quote" style="border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid;...
  9. Replies
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    RE: Oil holes in conrods?

    <span style="font-family: Verdana, Arial; font-size: 13px; background-color: rgb(251, 252, 255); ">You'd be surprised at how quickly the rod in my experiment became too hot too hold at only...
  10. Replies
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    RE: Oil holes in conrods?

    <span style="font-family: Verdana, Arial; font-size: 13px; background-color: rgb(251, 252, 255); ">We can guess and assume many things and many different answers will come of it. You can guess...
  11. Replies
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    RE: Oil holes in conrods?

    <span style="font-family: Verdana, Arial; font-size: 13px; background-color: rgb(251, 252, 255); ">BTW, Earl, thanks for the photos. I was sure somebody had used a groove like that. You must have a...
  12. Replies
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    3,867

    RE: Oil holes in conrods?

    <span style="font-family: Verdana, Arial; font-size: 13px; background-color: rgb(251, 252, 255); ">I have a Picco 3.5cc FISE with this kind of crank. The rod big end also has two holes in the normal...
  13. Replies
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    3,867

    RE: Oil holes in conrods?

    <blockquote class="quote" style="border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid;...
  14. Replies
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    RE: Oil holes in conrods?

    <span style="font-family: Verdana, Arial; font-size: 13px; background-color: rgb(251, 252, 255); ">Pe, have you seen the cranks with an oil feed hole drilled through the intake passage to the crank...
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    RE: Mini F-16 vintage project consideration

    OK, I see now. I've never seen a recessed Kress rotor. If you don't have a convenient source for the spacer, contact me. I'd make the rings from 1/8" aircraft ply. Leave a short lip on the ends of...
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    RE: Mini F-16 vintage project consideration

    Did you get the venturi interference sorted?
  17. RE: How to keep castor from seperating in cold?

    Typically the answer is synthetic oil.

    How long has your castor been sitting around? I've had problems with old castor.
  18. Replies
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    RE: Reaction to Diesel Fumes...?

    I get a reaction to the oil in fuel, I think. It seems to happen no matter what kind of engine I run, glow, diesel gas, E85, plus whatever else I've tried. Usually only when there is no wind. my...
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    RE: Oil holes in conrods?

    <span style="font-family: Verdana, Arial; font-size: 13px; background-color: rgb(251, 252, 255); ">This is not something 99% of us even need to be aware of, let alone think about. High performance...
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    RE: Mini F-16 vintage project consideration

    I just typed rk709 and rk-709 in the google image search. One is from a french site the other from a classified ad here at RCU. Looks like the section didn't make it.
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    RE: Mini F-16 vintage project consideration

    You do have the prop driver on there right? Props would hit the venturi too?

    This is what the parts looked like. A couple photos from the net. There were a few versions it seems. Some with...
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    RE: Mini F-16 vintage project consideration

    If the 8-32 will hold a prop it will hold the fan. The torque and power output of the engine is the same. I'd start with a simple bushing and see if the fan mounts square. What are you drawing with?...
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    RE: Made my own glow fuel today

    Yes, can of worms. Just chalk it up to experience. I have about a gallon of strange or wasted fuel mixes and I make small 100-200mL batches when testing different things. Most of it just stuff that...
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    RE: Made my own glow fuel today

    If you add that much gas the model lube might stay in solution. The trouble is your fuel probably will not work well. Gasoline will further reduce the power output and require even leaner needle...
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    RE: Made my own glow fuel today

    Chances are without the 12% acetone you already have in there all of the Model Lube would be at the bottom of the jug. I can't think of anything you could add that would result in a useable fuel. Yes...
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