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  1. C

    JAE Help- .12 engine tune

    OK The o.s is in the boat.. lets hope it runs ok tomoz. Just have to set the pipe length.. i have a buggy pipe.. i know its sht but all i have at this stage.. any ideas how long i should start with the pipe length? perhaps a measurement from engine to tip of pipe would really be helpful./...
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    JAE Help- .12 engine tune

    Yeah but if i take the pipe off, how will i get pressure to the tank?
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    JAE Help- .12 engine tune

    Thanks Ok, the only difference i made to the plan is i used a full size servo for the rudder. The pipe i am using is just a buggy one.. I do plan to build another.. I am not sure if this is where the problem lies tho.. The engine runs fine under no load but as soon as loaded up, the issues...
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    JAE Help- .12 engine tune

    oh by the way, Where is the cg ment to be on the JAE .12 rigger?? measurement would be awesome.. there is no measurements in the instructions.
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    JAE Help- .12 engine tune

    Thanks all. I am convinced its compression also. I will try with the os cv-15 and see what happens.. I did the compression test last night.. Im not sure if the pressure dropped off a hell of a lot however it didnt feel to have too much to begin with.
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    JAE Help- .12 engine tune

    ok. What about this.. If the cg is transom heavy, this would mean that there is more load on the ass end? Could the engine be loading up too much? Another strange thing.. When turning into the corners the engine would slowly drop revs. This to a point where if i didnt let go of the rudder...
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    JAE Help- .12 engine tune

    Ok/ All the fuel lines, pressure is all fine. I did alter pipe length from ridiculously long to ridiculously short. Yes i did remove the pull start and cut the shaft behind this. I cut the shaft square of the back plate. I did run this past a few boaters on here and they all said that the...
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    JAE Help- .12 engine tune

    ok so i had the tank set up like an aircraft with the clunk facing the engine.. Is this correct? I will make the adjustment.. I have already started milling away a bit of the engine mount to get the os in with the pull start attached. The last engine i cut the pull start off. seemed to not...
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    JAE Help- .12 engine tune

    Could it be the tank set up? I am using a sullivan 6oz tank which fit perfectly with about 5mm gap either side. How is the clunk set up?? Same as setting up an aeroplane?? I have set up tanks on Mono's and tunnells however this is my first rigger
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    JAE Help- .12 engine tune

    Could it be the tank set up? I am using a sullivan 6oz tank which fit perfectly with about 5mm gap either side. How is the clunk set up?? Same as setting up an aeroplane?? I have set up tanks on Mono's and tunnells however this is my first rigger
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    JAE Help- .12 engine tune

    i was thinking the same TOM How is the tank set up ment to be?? I have used a sullivan 6oz tank.. Is the clunk set up the same as an aircraft? If the tank was bouncing around a little, could this perhaps be the issue? I( have just slotted the tank up the front and it fits perfectly however...
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    Nova T12-LT5-MP

    How many ports does it have? i dnt know much bout rossi
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    JAE Help- .12 engine tune

    How much.. can u pm me? Do u have a vid of it running?? Do you have or know the correct pipe? Im in Aus (melbourne) so would need postage to there
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    WANTED - JAE .12 or .21 rigger

    Hi all Im looking to buy a JAE 12 or 21.. Pref with a TOP 12 Nova or good quality engine.. Looking for complete less radio.. In short, the above rigger with all hardware, engine, pipe and prop. I am in Aus so i can calculate my own postage should you require. I am open to a price? Thanks
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    JAE Help- .12 engine tune

    Ok so i ran it.. got about two laps and the same thing... Is this compression? I have an older os cv15 but not sure if it will be up to it. The current engine turns a 35mm prop and hitts the pipe sometimes.. any leaner and it will stall after about 1 lap. Think i might build another and do it...
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    JAE 21 and 45

    nice pics.. pls keep em coming
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    JAE Help- .12 engine tune

    The bearings are ok. i will try running today and if no good, change to an os buggy engine i have sitting here. I just dont want to go through cutting off the pull start again in order to make it fit when there is something wrong with the set up.. I have been thinking of the TOP .12 and and...
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    JAE Help- .12 engine tune

    Thx Tom, ill give it a go now I pulled out the engine and tank tonight and discovered if i turned the tank 0 degrees so the stopper faces the floor, there was a small leak.. a new screw in the tank stopper ensured it sealed properly this time.. i was thinking now that you mention delivery is...
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    JAE Help- .12 engine tune

    Hi all so i finally got the jae hitting the plane.. the problem is it does not stay there for too long Here is what i am running An older buggy engine, 30% nitro and a 35mm berilium prop I will buy a better prop once i get the boat reliable.. I am really struggling to get the fuel mixture...
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    how do prop sizes work?

    Hi Mark I think it is best to let the experts guide me in the rite direction.. 30 bucks is cheap.. any ideas what the post would cost me?? oh and i have 2x 440's and a 438 that i would like to have modded.. perhaps you could do one 440 for a buggy engine and another for a top.12 nova (i plan...
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