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Type: Posts; User: jak_kkaall

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  1. Replies
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    I've made an extension to the last louver on the...

    I've made an extension to the last louver on the bottom to better pull out the air from the cowl. It seems that with the cowl on my rpm dropped slightly with about 200-300 rpm. Now I'm getting...
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    Thanks, well I'm at 800m, half a mile altitude,...

    Thanks, well I'm at 800m, half a mile altitude, the pressure is lower right? So I should get more rpm? Regarding baffles, I don't know why the plane has this triangular shape if the 1:1 scale has...
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    Six flights in two days with the cowl off and it...

    Six flights in two days with the cowl off and it works fine now after I:
    - sanded the carb and reed block flat, made new gaskets and apply red silicone on one side of each gasket, and now the reed...
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    You are right, the caps, mostly the left cylinder...

    You are right, the caps, mostly the left cylinder one is loose (which had brighter plug color in the past(see pics) and now has more compresion) I mean you can lift it 2mm very easy. I don't know if...
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    There is another thread of 3 pages about this...

    There is another thread of 3 pages about this engine,on this forum also, title: ''XYZ 53-STS Twin'' http://www.rcuniverse.com/forum/gas-engines-142/10413028-xyz-53-sts-twin-3.html on which I...
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    Thank you all! Didn't find pennzoil in town,...

    Thank you all! Didn't find pennzoil in town, unbelievable all the bike shops have synthetic oils, will search for it on internet. Until then I might give it a shot with Bel Ray but with less oil in...
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    Also there are three tipes of gas around here,...

    Also there are three tipes of gas around here, 95, 98 and 99+ octane which one should I use? I used 99+ thinking it's the best...manual says minimum of 93, does'n say the max. :D
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    1. And I've just buyed a new bottle of Bel Ray :(...

    1. And I've just buyed a new bottle of Bel Ray :( I get a lot of oil on the plane even after just one flight. It's not the same with other minerals that burn in the cylinder better? Then this alone...
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    If only I could make it not to stop in the air...

    If only I could make it not to stop in the air anymore. Last time I was lucky dead stick landing the heavy plane, next time who knows. And this plane means a lot to me.
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    Thank you for your answers! By your unmistakable...

    Thank you for your answers! By your unmistakable avatar photo with flames behind a jet I can tell you that today and yesterday I read all day post from you at threads about low power and low...
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    So I heard that they are sensitive to prop...

    So I heard that they are sensitive to prop strikes. Well it feels to have the same amount of ''friction" on the entire turn. I wish i had measured the compression of each cylinder from day one....
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    Engine quits, has different compression on one cylinder, little power

    Hy, I have the XYZ 53cc twin gas engine and lately it stops in the air after aprox.1 min after takeoff with no simptoms, It has less power and I noticed that the


    right cylinder has...
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    Very nice work Mark :D

    Very nice work Mark :D
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    Cardboard and barbecue wood sticks then epoxied...

    Cardboard and barbecue wood sticks then epoxied them all with thin epoxy. Pics at (post 9):
    ...
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    I used simple cardboard and barbecue wood sticks...

    I used simple cardboard and barbecue wood sticks then epoxied them all with thin epoxy. Solid, gas proof, and in any shape you want at 1mm from the fins if desired. Cheers!
    - Great Planes 27% CAP...
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    Uau! I didn't know that. Do you have any idea...

    Uau! I didn't know that. Do you have any idea where can I see pics or something about his project? Did he posted it somewhere? Thanks
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    Thanks for your opinion. I must say that this was...

    Thanks for your opinion. I must say that this was a personal desire, something that during the years came into my mind over and over again "can it be done, will it deploy and most of all will it...
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    Thank you, I've seen it when I made my...

    Thank you, I've seen it when I made my documentation before my project. Maybe the title of the topic in which I've described mine is cofusing because it sounds like a question but It is not my thread...
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    My own design of a parachute recovery system

    Here is a link to the thread in which at post 12 I've presented my own project of a home made parachute recovery system in a 8 kg gas plane which was tested on the ground....
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    My own design of a parachute recovery system

    Here is a link to the thread in which at post 12 I've presented my own project of a home made parachute recovery system in a 8 kg gas plane which was tested on the ground....
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    Poll: My own design of a parachute recovery system

    Here is a link to the thread in which at post 12 I've presented my own project of a home made parachute recovery system in a 8 kg gas plane which was tested on the ground....
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    My own design of a parachute recovery system

    Here is a link to the thread in which at post 12 I've presented my own project of a home made parachute recovery system in a 8 kg gas plane which was tested on the ground....
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    My Gas plane parachute project

    Here is a link to the thread in which at post 12 I've presented my own project of a home made parachute recovery system in a 8 kg gas plane which was tested on the ground....
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    My Gas plane parachute project

    Here is a link to the thread in which at post 12 I've presented my own project of a home made parachute recovery system in a 8 kg gas plane which was tested on the ground....
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    Here is a link to the thread in which at post 12...

    Here is a link to the thread in which at post 12 I've presented my own project of a home made parachute recovery system in a 8 kg gas plane which was tested on the ground....
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