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FC Mig-29 long lasting project

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Old 10-17-2005, 08:55 PM
  #1  
tamjets
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Default FC Mig-29 long lasting project

Guys,
This is a project that been on going almost 2 years. I have two of this kit. My is still in the box and this one belong to friend of my in Miami.
So many time I want to give up. But I have get it done before moving to a new shop.
When I get back from china will playing with hydrolic gear.
I hated. So use to air system and now play with oil. Is something I never done on model jet before.

If anyone have good close up photos of this color scheme. Please posted.
That give more reference to finish closet to scale as possible.
Thanks
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Old 10-17-2005, 11:20 PM
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Default RE: FC Mig-29 long lasting project

I never understood why these wouldnt work with air?
Scott
Old 10-18-2005, 12:30 AM
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tamjets
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Default RE: FC Mig-29 long lasting project

Scott,
There is no locking retract mechanist.
Using hydrolic ramp to hold the struts go up and down.
Air wouldn't be enough pressure to hold locking position.
Old 10-18-2005, 12:57 AM
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Default RE: FC Mig-29 long lasting project

i have eard that this is good..
http://www.modelltechnik.at/eindex.htm
hydraulic system from Hausl..
Old 10-18-2005, 01:01 AM
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Default RE: FC Mig-29 long lasting project

Tam,
Can I ask another dumb question? Why dont they make different retracts with locking mechanism?
Scott
Old 10-18-2005, 01:06 AM
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tamjets
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Default RE: FC Mig-29 long lasting project

I don't know why Scott.
But this system is look cool. But not a great idea for our use. Just too much trouble.[:@]


Old 10-18-2005, 01:08 AM
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Default RE: FC Mig-29 long lasting project

the problem on the mig29 is the twisting of the gear when retracting and in some way is not possible to get it mecanically done..

i hope somebody with the mig29 can jump in with some photos...
Old 10-18-2005, 04:42 AM
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David Gladwin
 
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Default RE: FC Mig-29 long lasting project

If you or any other Mig 29 builder is having trouble with the hydraulics just contact Andreas Geitz ([email protected]).

In an e-mail he tells me they (FC) can make it all work for you. Its all our fault (but mostly mine) for not asking for help earlier.

Good luck.

All I want from Geitz is the exact balance point and the control travels in pitch and roll and mine is ready to fly.(using the Omega hydraulic control system and rams, which work with the requisite reliability) Its not much to ask but I get no reply to my requests for this rather vital information, which, I argue, SHOULD be in the instruction manual. Or is that asking just tooooo much ?

Regards,

David Gladwin.

PS. Apart from the hydraulics with which some of us who have experience with aircraft hydraulics as a part of our job would have been happy to work with Geitz to work out the bugs, this is a fabulous flying machine and very cleverly designed in many areas, reason I have stuck with it for so long, and encouraged so many other frustrated Mig builders to hang on in.
Old 10-19-2005, 02:17 PM
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Default RE: FC Mig-29 long lasting project

Hi,
the exact C ofG is 5cm back from the front upper corner of the fin extention.
P.
Old 10-19-2005, 02:57 PM
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Default RE: FC Mig-29 long lasting project

Hello again,
Dear Tam it is seems from the picture that you mispositioned the control linkage on the right fin .The control horns on the Mig's rudders are on the same side both left fin and the right fin, and not one on the outer left while the other on the outer right.
P.
Old 10-19-2005, 02:59 PM
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Default RE: FC Mig-29 long lasting project

By the way mine is working and I will be glad to help out anyone who needs help.
P.
Old 10-19-2005, 03:20 PM
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Default RE: FC Mig-29 long lasting project

[img][/img]
Old 10-19-2005, 03:22 PM
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Default RE: FC Mig-29 long lasting project

I have pictures of my Mig but I don't know how to post them here.
P.
Old 10-19-2005, 04:15 PM
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Default RE: FC Mig-29 long lasting project

Hi ,David
When are you intending to fly your Mig ??
Old 10-19-2005, 04:33 PM
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David Gladwin
 
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Default RE: FC Mig-29 long lasting project

Hi Peter,

We have our majpor jet meeting next month at Wangarrratta in Victoria. Plan is to fly it then.

Everything (except brake chute is working but intakes and speedbrakes will be locked out for first flights.)

Really, just final wing software to be set, balance the thing and complete engine runs, then range check and its go !

Your recommended C of G is well aft of the one I was given some time ago which was at the mid point of the leading edge of the fin starkes but I hear on the grape vine that it was best to move it back (Greg Casson is flying his somewhere aft of the extension leading edge so must contact him too. )

Do you have control travels for pitch and roll ?

I also need some brake O rings. Can anyone help?

Regards,

David Gladwin.
Old 10-20-2005, 05:17 PM
  #16  
lavi rider
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Default RE: FC Mig-29 long lasting project

Hi David,
The point of C of G has been given to me by my friend Marc Froehn and Wolfgang kluer.
I have the brake units complete and I'm not using them, I have machined my own wheels and brakes.
Which O ring do you need?
What's your mail I 'll send you some pic's of the Mig.
Mine is [email protected]
Old 10-20-2005, 08:39 PM
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tamjets
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Default RE: FC Mig-29 long lasting project

Peter,
When I get back from china. I like to pick your brain on this gear.
Thanks
Old 10-21-2005, 01:23 AM
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Default RE: FC Mig-29 long lasting project

Hi Tam I'll let you "pick" some of it ,maybe the extra parts :-)just kidding , No problem buddy what ever you need.
P.
Old 10-21-2005, 11:45 AM
  #19  
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Default RE: FC Mig-29 long lasting project

I may be speaking well out of turn here but, I do wonder why these hydraulics need to be so complicated. I am at present flying a 3W Bearcat 100 inch on which I had no end of problems with getting the u/c to complete a full cycle and properly lock using air even at 170 psi.

So, I converted it to hydraulic using the Eurokits Hydraulic retract system, £200 in the UK. It now works 1st time every time, locks up and down and works at the scale speed!!

Perhaps this helps Mick
Old 11-14-2005, 03:56 PM
  #20  
lavi rider
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Default RE: FC Mig-29 long lasting project

Hey Tam ,are u back?
What's up with your Mig-29
P.
Old 11-14-2005, 04:12 PM
  #21  
tamjets
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Default RE: FC Mig-29 long lasting project

I'm back.
Just try to catch up my works while I'm gone.
The Mig have to put on hold again.
We are moving to bigger facility next week. Hope can finish her there.
Tam
ORIGINAL: lavi rider

Hey Tam ,are u back?
What's up with your Mig-29
P.
Old 11-14-2005, 04:30 PM
  #22  
lavi rider
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Default RE: FC Mig-29 long lasting project

Good Luck!
I'm taking mine up on this upcoming Saturday.

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