-Correx Mig-7 Scratch build- - Page 108 - RC Groups
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Mar 30, 2012, 08:01 PM
Envies his own avatar
rockyabq's Avatar
Quote:
Originally Posted by Mewgun

Please, tell me, which means the mark on the drawing pipe direction?
I can not understand ...
Mewgun, the "pipe" direction, or "flute" direction is the direction of the channels that are on the inside of the correx (or coroplast). The circle with lines on the plans tells you to orient the correx the same way.
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Mar 31, 2012, 09:06 AM
Registered User
Mewgun's Avatar
Oh! Thank you! Now I understand!

it is not from a bottle
Last edited by Mewgun; Mar 31, 2012 at 01:08 PM.
Mar 31, 2012, 03:42 PM
.....till the wind drops.
Sean Oelofse's Avatar
[QUOTE=ScienceGuy;21187455

You can't imagine how much I appreciate the help you P.E. guys are providing.

see you soon,

hugh[/QUOTE]

Safe travels Hugh!!
I think I'm too late..............he must be............. somewhere...........over...........the sea somewhere!!
Last edited by Sean Oelofse; Mar 31, 2012 at 04:01 PM. Reason: Hey!......its cooool down here!
Mar 31, 2012, 03:45 PM
.....till the wind drops.
Sean Oelofse's Avatar
Quote:
Originally Posted by Mewgun

it is not from a bottle
VERY PRETTY PICTURE Mewgun!!
Is this plane full scale?
Is it a Gate Gard?......can you see it from Google Earth?........link?
Apr 01, 2012, 01:59 AM
Registered User
Mewgun's Avatar
This is a copy, in scale 1:1
Here is a link on Google Maps: http://maps.google.com/maps/ms?msid=...78d86d65d0eb00
Apr 03, 2012, 06:45 AM
Registered User
Mewgun's Avatar
Called to all organizations who sell сoroplast.
We have not sold 2mm ... Only 3mm or more.
Is it possible to build all of the 3mm model?
How does it affect the flight characteristics?
Apr 03, 2012, 06:50 AM
.....till the wind drops.
Sean Oelofse's Avatar
Yes you can build from 3mm.
The wind must be stronger!
Apr 03, 2012, 07:57 AM
Registered User
Mewgun's Avatar
At what weight should I keep?
Approximately "+ / -" ....
Apr 03, 2012, 08:39 AM
I think I'm Mode 2
Bakkie's Avatar
Quote:
Originally Posted by Mewgun
At what weight should I keep?
Approximately "+ / -" ....
1,2kg is good!

I'm sitting with Sean having coffee that's how I know
Apr 03, 2012, 04:17 PM
Registered User
JMSR's Avatar
My all 3mm correx, electric powered is 900g and flys great.
Apr 04, 2012, 01:58 AM
.....till the wind drops.
Sean Oelofse's Avatar
Span JMSR?
Apr 04, 2012, 05:04 AM
absolutely maybe
pistnbroke's Avatar
Hi All,

It's been a while since I have done anything with the Mig, today I got myself a copy of the original size plan........ now for the questions..... oh come on you lot, I can hear the groaning from here!

Do any of you slope with the original sized Mig and what was the reason for the 16% scale up as posted on page 47? just curious

I am starting the original size Mig over the Easter break.

Sean, I know you are a busy man, but next time you or one of the fellas you fly with over there build a new Mig, could you please do a video for getting the C of G.
I think I am close, but it is sometimes easier to see it or how it's done.....no pressure.

Thanks and Regards
Ian
Apr 04, 2012, 04:26 PM
Registered User
JMSR's Avatar
1138mm. I'm not super sure but I think that's the original span?
Apr 04, 2012, 05:30 PM
absolutely maybe
pistnbroke's Avatar
JSMR,

You are correct, it is roughly the original span, I was wondering why it was scaled up by 16% from the original, was it done just because you can or is it to do with the flying characteristics of the plane?

Regards
Ian
Apr 05, 2012, 03:40 PM
.....till the wind drops.
Sean Oelofse's Avatar
My electric is 1170mm span.
I got to the span from the specs of the motor......watts, weight and type of flying. I think I have it right, plenty power for a long enough flight......at 80% batery consumption.
For the slope, it was a matter of managable size for the average car/wing loading/number of wings out of a sheet/ flying site.......or should be the condition of the pilots eye sight!!
I built a few of the original size. Nothing wrong with them, fly great!!.....but as you know, the smaller....the more twitchy, which is good if thats what you want.
I will do a video clip of the CG for you! I have cut out all the parts to build a Mig, not sure I will get to build before Ironman South Africa 2012 on the 22nd April, (not that I'm taking part), but will look at explaining on one of my current models.
Hope I have answered a few of your Q's.

Here's a clip from yesterday's flying once the wind had dropped.

Mig7 electric Maitlands Slope (4 min 14 sec)


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