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Composite ARF Mig29

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Composite ARF Mig29

Old 03-07-2017, 07:00 AM
  #351  
Craig B.
 
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I am only using one valve for gear hydraulics. My doors, speed brakes, inlet doors are all on pneumatics. I suggest you keep the hydraulic system as simple as possible. I think Levi has the same setup as me but I am sure he will chime in here.....
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Last edited by Craig B.; 03-07-2017 at 07:10 AM.
Old 03-07-2017, 07:44 AM
  #352  
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Thank you guys for the help. I like the simple approach with a single valve.
Old 03-09-2017, 02:33 AM
  #353  
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Hello John,

Yes I'm the same as Craig. I have everything operational and only the gear is hydraulic so one servo driven valve as David said.

Cheers
Levi
Old 03-09-2017, 05:15 PM
  #354  
gustavo Campana
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dears
i will bring two sets of missile pads to top gun
thanks , i hope you enjoy
Old 03-13-2017, 09:23 PM
  #355  
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Has anyone used the xicoy balancer to balance their mig? If so would you mind posting your settings. Just want time see if I'm close with mine.
Thanks
Old 03-13-2017, 10:01 PM
  #356  
TSHARK203
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Gustavo
I saw your mig at top gun last year. It looks truly wonderful. I have a question for you. Do you have any images you can post of the litho you did for your engines. The have the rear ones made but I'm having some trouble with the top part. I looked at the pics I took of yours but they are not close enough and do not help me.
Thanks
Old 03-14-2017, 05:33 AM
  #357  
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Hi Tshark,

here are some photos of my humble efforts....colour is not right on the fairings and I have to darken them and weather them yet but these photos might help.....

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Old 03-14-2017, 05:56 AM
  #358  
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Craig
Thanks for the images. Did you cut the fairings or score them into the metal. Also what did you use to make the bumps on them out of?
Also how did you attract the turkey feathers in you nozzles as well.
Old 03-14-2017, 06:04 AM
  #359  
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more...

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Old 03-14-2017, 08:00 AM
  #360  
TSHARK203
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Thanks for the extra detailed images. This helps a good bit.
Old 03-14-2017, 08:20 AM
  #361  
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Originally Posted by TSHARK203
Craig
Thanks for the images. Did you cut the fairings or score them into the metal. Also what did you use to make the bumps on them out of?
Also how did you attract the turkey feathers in you nozzles as well.
Hi,

I scored them into the metal by marking where I wanted the folds and then placing most of the sheet in a woodworking vice, leaving about 20-25mm sticking out of the vice on the end that gets glued to the fibreglass fairing, with each fold line lining up with the top of the vice. I would then bend the litho sheet along each line and then move onto the next line and so on....hope that makes sense?

I made the raised sections out of G10 circuit board.

Mounting turkey feathers.....I glued blocks into the fibreglass nozzles and then screwed the turkey feathers to those from the inside.

Hope that helps.
Old 04-11-2017, 01:32 AM
  #362  
Levi Wags
 
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https://youtu.be/UrnBnXmtGIA

Hey guys,

Here's a short video of my Mig a few weeks ago. Sorry for the poor quality.
Old 04-11-2017, 07:34 AM
  #363  
SECRET AGENT
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Beautiful flight, you really nailed that landing.
Old 04-11-2017, 02:07 PM
  #364  
Chris Nicastro
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Levi that jet takes off in just meters! Wow! Which turbines are you using?
How short of a landing can you make do you think?

I have a pair of KT 140G's ready to go in mine when I get started.
Your jet is inspirational for me so keep posting video and pics please!!
Love the digital camo, my favorite too!
Old 04-11-2017, 03:14 PM
  #365  
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Thanks Secret and Chris,

Chris if I held the brakes on then launched it would honestly be off the ground in 30 meters. My bird weighs 23.5kg dry and I'm using P140RXs for power.

On this landing I had a cross wind and no wheel brakes so the landing can be shortened up too.

Heres another video that I posted in this thread a while back, you can really see the takeoff power.

https://youtu.be/cmKsnkP34fs

There is no RC plane like this one Chris so stay motivated on the build mate.

I'll post some closer pics of her later.
Old 04-11-2017, 03:22 PM
  #366  
Chris Nicastro
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Thanks I will!
Im waiting to receive a set of Matrix Machine gear which are in the process of being made right now. John is updating the design so I'll post pics when they get here.
Old 04-11-2017, 03:36 PM
  #367  
TSHARK203
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Levi are you flying just elevons or elevator and ailerons? Or did you do a mix of both. I have functional ailerons on mine. I was told to mix the ailerons and still set up the tail group as elevons. Still could use a xicoy setting on the cg if anyone has usef the xicoy to set theirs up.
Old 04-11-2017, 05:38 PM
  #368  
gustavo Campana
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sorrrryyy...... tomorrow will send you photos....
gus
Old 04-11-2017, 06:03 PM
  #369  
Levi Wags
 
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Originally Posted by TSHARK203
Levi are you flying just elevons or elevator and ailerons? Or did you do a mix of both. I have functional ailerons on mine. I was told to mix the ailerons and still set up the tail group as elevons. Still could use a xicoy setting on the cg if anyone has usef the xicoy to set theirs up.
TSHARK I've also got functional ailerons and I only use aileron for roll and elevator for pitch. I could use a little more roll authority so a slight taileron mix with ailerons could work well. It's hard with the small ailerons to get enough roll and still set differential.
Old 04-11-2017, 06:22 PM
  #370  
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So do you not have them mixed now? It looks like your plane rolls very well.
Old 04-11-2017, 06:27 PM
  #371  
gustavo Campana
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about rear up exahust alum panels, in my plane, i used real aluminum one by one cuted make the scale shape, and make a carbon fiber at the bottom ,
all glued with epoxy. see , are one by one, if you see full size, they are all differents, like thisuu
at the final exausht also are aluminum , in this case .... lot of work, see 3d printer helmet, and scale wheel, iff you need it.
gus
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Old 04-11-2017, 06:31 PM
  #372  
gustavo Campana
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Old 04-11-2017, 06:35 PM
  #373  
gustavo Campana
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Old 04-11-2017, 08:24 PM
  #374  
Levi Wags
 
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Great looking scale nozzles Gustavo. I assume the last pic is the full size Mig you're using for reference? Nice work.

TSHARK I'm still only using ailerons and I'm pretty happy with how it rolls. It could use a little more authority at slow speed but it's not something that I would change at this stage.
Old 04-11-2017, 08:33 PM
  #375  
TSHARK203
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Ok how much throw do you have on your surfaces? Once i get the nose gear fixed i can balance the plane and possibly get it in the air. I dont want it going in the ground on the first flight if i can help it.

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