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Type: Posts; User: Mr Cox

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  1. This is a very common trick design is used to...

    This is a very common trick design is used to stop the screw for unwinding when the engine is running. It will not be off center enough to cause any harm to the counter piston.
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    I apologize for lifting such an old thread, but I...

    I apologize for lifting such an old thread, but I just thought I would provide some more/better information...

    The LST Motors are/where made in Vilnius, Lithuania. They made some very high quality...
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    It is only tuned pipes that needs to be tuned for...

    It is only tuned pipes that needs to be tuned for length together with a suitable prop etc. It looks like you have a "tuned muffler" and these are usually not tuned on by the user as they are much...
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    Aaah, the plasticotes ones, they are a bit...

    Aaah, the plasticotes ones, they are a bit different from the rest. Feels like they are made from compressed balsa....
    Are they safe to fly with?
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    It doesn't sound too bad on an 8x6 prop to me,...

    It doesn't sound too bad on an 8x6 prop to me, what would you expect, around 13500rpm on that prop?
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    The airplane engines now go under the name "Rex",...

    The airplane engines now go under the name "Rex", you can find them here for instance; http://www.planethobby.com/collections

    I have one of the .12 ones and the construction and machining quality...
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    Sounds like the tank is too far away from the...

    Sounds like the tank is too far away from the engine, it is usually better to fixed the problem rather than just reducing the symptoms....
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    The Zingers are a bit too thick bladed I think,...

    The Zingers are a bit too thick bladed I think, but the Rev-ups are very nice props. Brodak have, or used to have, these down to 6".
    Top flite are not made anymore I guess but they turn up on ebay...
  9. I just realized that these engines are very...

    I just realized that these engines are very similar to the LST engines. I have one of them in diesel form, but I know very little about them. They are/were made in Lithuania and it certainly looks...
  10. I feel a bit guilty now about the carb, I hadn't...

    I feel a bit guilty now about the carb, I hadn't actually tried to rotate it, it just looked impossible. Turns out that they have given just enough of chamfer to the bulge to allow for a rotation......
  11. I guess it depends a little on which exact model...

    I guess it depends a little on which exact model you have, but you can find most of the data here; http://www.eifflaender.com/techdets.htm
  12. After a bit of "googling" I found a picture of...

    After a bit of "googling" I found a picture of the diesel version too. The pretty anodizing of the head should be a warning sign. Any engines that need pretty colors in order to sell, usually don't...
  13. I just checked my computer for some more info and...

    I just checked my computer for some more info and found a parts diagram with the different versions, it did come as a diesel, glow (airplane), and car engine (larger head). The carbs seems to have...
  14. In terms of function the airbleed could well be...

    In terms of function the airbleed could well be facing backwards by rotating the whole carb 90, I have done that on other engines.
    On this engine though the carb is very asymmetric in shape, it...
  15. I got a little curious about the engine again, so...

    I got a little curious about the engine again, so I dug out my 1.5cc from the bottom of a shoe-box and gave it a little bench run...

    I have worked a little on the crank inlet before and also added...
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    This doesn't sound right, to me. Perhaps there is...

    This doesn't sound right, to me. Perhaps there is something wrong with the 20% fuel or they have different oil contents...

    It is when one increases the Nitro level that one also, usually, have to...
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    It sounds like two issues to me, one is simply...

    It sounds like two issues to me, one is simply tuning and the other is the distance form the tank to the engine (not the height difference when the plane is horizontal).


    i) If the engine speeds...
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    Sounds to me like it is simply set too lean. Set...

    Sounds to me like it is simply set too lean.
    Set it richer on the ground and try again...
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    There are the very nice "Parra" engines too, they...

    There are the very nice "Parra" engines too, they come in many versions, ABC, AAC or lapped; http://www.clubtamaran.com/Parra.htm
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    Congratulations, I'm glad it worked out for you...

    Congratulations, I'm glad it worked out for you too, it is a really sweet combination I think. :)

    I'm using an APC 6.3x4 prop on mine, a 7x3 might also work fine, but I like to use a pitch of at...
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    It sounds like an adapter problem rather than a...

    It sounds like an adapter problem rather than a propeller problem...

    Have you tried the electric forums? The quality of the chinese hardware might not be very good...
  22. Thread: Flooding Engine

    by Mr Cox
    Replies
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    191

    Put it on a test stand so that you can see what...

    Put it on a test stand so that you can see what is going on, it is usually much easier.

    The fuel should not siphon to the carb and flood the engine, and the needles are there to be tune on for a...
  23. No, it was a real disappointment when I first ran...

    No, it was a real disappointment when I first ran it. I also had a look inside, it is a simple crossflow design, but they forgot to put the important baffle on the piston...

    Perhaps it began as a...
  24. No, they are weaker than a typical .07 engine......

    No, they are weaker than a typical .07 engine...

    The OS .10FP will make around 16000rpm on a 7x4 prop, as a comparison.
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    Looking at your last picture, it looks like the...

    Looking at your last picture, it looks like the tank could be lowered another 1" or so. The spray bar would the be closer to level with the top of the tank which I think works better, the fuel will...
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