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Skymaster Mig-29 twin turbine build thread

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Old 01-24-2016, 09:08 PM
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sysiek
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Default Skymaster Mig-29 twin turbine build thread

Okay so after two years of having this jet I decided to make it air worthy .so today I was able to install wings servos and thanks to skymaster just got like two hours playing with dremell the servo openings are way to small for standard servos specially the one for ailerons but I was able to get it done .The only thing I did different than other builders is the flap push roots installation the inside of the wings. Will post pictures later the site act's funny.
Old 01-24-2016, 09:25 PM
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the pictures are not in order but you will find out what is going on. I'm planning to use two vt-80 for the power maybe directly in the back no pipes just straight out will be decided later if going to be able to install the ovt nozzles
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Old 01-25-2016, 01:33 PM
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Awesome! Good to see you working on it….
Old 01-25-2016, 04:53 PM
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Hope to have finish for this sprint.
Old 01-26-2016, 12:17 AM
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Subscribed, it seems to be the only one available just now (apart from FEJ & I'm not going down that route! ) . I have a spare 160 looking for a home... if I sell a lung I can maybe afford one.
Old 01-26-2016, 07:10 AM
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Jetlegend have one to .I think it's little bit bigger .
Old 01-26-2016, 07:21 AM
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Yeah but you can't get one..I tried. I'm guessing it's being re-engineered for BV as well.
Old 01-26-2016, 07:28 AM
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Hm I think that my friend have one from globaljetclub ,send the jetlegent a order email and see what happens ,the skymaster is probably the less expensive one check with chef aircraft for actuall ,,promo,, price.
Old 01-26-2016, 07:30 PM
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OK so today I was able to install the rudder servos, fish some wires for possible lights installation .so I cut my own wood bigger than normal for extra servo support .The only thing left to do is to glue the hinges and install push roots.
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Old 01-27-2016, 12:35 PM
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What servos are you using on the rudders ?

Bob Neal
Old 01-27-2016, 02:52 PM
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Jr 8411.
Old 01-27-2016, 07:24 PM
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OK so this is how I'm going to do the turbines install ,, I hope,, it's very tight and now room for ovt push roots .
Old 01-27-2016, 07:28 PM
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Old 01-28-2016, 03:55 PM
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OK so today I'm doing the template for turbine support bracket I'm planning to do that in one piece to support two turbines as close as possible for perfect alignment going to use g10 material for.
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Old 01-28-2016, 07:58 PM
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So I have the template for g10 turbine support hope that the thing will fit in one piece
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Old 01-29-2016, 03:43 PM
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Turbine support plate fabrication and yes it's fits in one piece. I cut the g10 on my granite saw .
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Old 01-30-2016, 07:52 AM
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Looks great ! Aren't you concerned about cg issues ? My Mig is tail heavy empty of everything except landing gear. I haven't started mine yet.
just wondering
Old 01-30-2016, 08:03 AM
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A little so before glueing the bracket I'm going to do dry test with two turbines wings and batteries in ,I do have backup plan two straight pipes and turbines installed where the servos for ovt go so this will eliminate the ovt option at least till find a solution for ovt servos instal spot.
Old 01-30-2016, 08:07 AM
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Very nice one piece twin engine mount. I didn't understand what you were doing in the previous pictures. Those engines should be happy with no tubes behind them.
Old 01-30-2016, 08:22 AM
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sysiek
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If the turbines installed using this mount there will be no pipes just the vector nozzle but if the jet going to be way to tail heavy I'm going to move the turbines about 12" forward and use pipes this option probably will eliminate the vector nozzles.
Old 01-30-2016, 08:31 AM
  #21  
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Option #1option #2
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Old 01-30-2016, 12:40 PM
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OK so what do you guys think I have done the dry test with two turbines in the place and landing gear just dropped in the places no electronic or fuel tanks the jet I about 27-28 lbs on the scale and I ended up with this much stuff in the nose section to balance the jet this is about 1.5 lbs total+ there will be more stuff in the jet to locate in the front section of the jet .
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Old 01-30-2016, 04:53 PM
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It sounds reasonable.
Old 01-30-2016, 07:53 PM
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OK so after the second balance with turbines 4 extra servos for vectors and 2 servos for elevators I ended with so much nose weight it will be just to much to handle over 2.5 lbs this will make the nose to fragile and might get damaged I really like to install the turbines in the back but this will make the jet to heavy .so I decided to install the turbines the traditional method this will save a lot of weight an I will be able to use lighter batteries I might be able to do the vectors to let's see tomorrow after the glue cure .
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Old 01-30-2016, 07:54 PM
  #25  
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A little motivation, here is my maiden.

I just sold my mig last week though

https://www.youtube.com/watch?v=0ed9YjXS5oc


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