Espritmodel.com Telemetry Radio
Reply
Thread Tools
Old Nov 09, 2010, 01:19 PM
.....till the wind drops.
Sean Oelofse's Avatar
Port Elizabeth, South Africa
Joined Oct 2006
3,517 Posts
Sorry for the slow progress. I was ready to template the fuzz, only to realise my offcut sheet of 3mm is not big enough. So I cut out the tail feathers instead.

Here I have cut and fitted the fin to stab, ready to glue with hot glue.
Sean Oelofse is offline Find More Posts by Sean Oelofse
Reply With Quote
Sign up now
to remove ads between posts
Old Nov 09, 2010, 01:26 PM
Missing you too FB!
Bakkie's Avatar
South Africa, Eastern Cape, Port Elizabeth
Joined Sep 2010
2,358 Posts
Quote:
Originally Posted by Sean Oelofse View Post
Sorry for the slow progress. I was ready to template the fuzz, only to realise my offcut sheet of 3mm is not big enough. So I cut out the tail feathers instead.

Here I have cut and fitted the fin to stab, ready to glue with hot glue.
How about a nice size rudder?
Bakkie is offline Find More Posts by Bakkie
RCG Plus Member
Latest blog entry: Let's try FPV!!!!
Reply With Quote
Old Nov 09, 2010, 02:25 PM
.....till the wind drops.
Sean Oelofse's Avatar
Port Elizabeth, South Africa
Joined Oct 2006
3,517 Posts
Quote:
Originally Posted by Bakkie View Post
How about a nice size rudder?
I have built one with rudder, refer the pic below. It does not influence the flight enough. OK! You can make it "nice size" untill it throughs the butt around, but, dont want to lose the scale.
Was good for learning to use the third channel though.
Alain flies this plane now.
Sean Oelofse is offline Find More Posts by Sean Oelofse
Reply With Quote
Old Nov 10, 2010, 12:40 PM
...missing the PE Slope Rebels
Flying Beagle's Avatar
United States, MI, Manchester
Joined May 2004
3,011 Posts
I was thinking with the recent "action", there might be a chance for the union of a Red Bull fuz and a yellow purple wing.......
Flying Beagle is online now Find More Posts by Flying Beagle
Reply With Quote
Old Nov 10, 2010, 12:44 PM
Missing you too FB!
Bakkie's Avatar
South Africa, Eastern Cape, Port Elizabeth
Joined Sep 2010
2,358 Posts
Quote:
Originally Posted by flying beagle View Post
i was thinking with the recent "action", there might be a chance for the union of a red bull fuz and a yellow purple wing.......
hkgk
Bakkie is offline Find More Posts by Bakkie
RCG Plus Member
Latest blog entry: Let's try FPV!!!!
Reply With Quote
Old Nov 10, 2010, 01:07 PM
.....till the wind drops.
Sean Oelofse's Avatar
Port Elizabeth, South Africa
Joined Oct 2006
3,517 Posts
Quote:
Originally Posted by Flying Beagle View Post
I was thinking with the recent "action", there might be a chance for the union of a Red Bull fuz and a yellow purple wing.......
FB, I did request said fuzz from J, he said he will post it to me!!
Sean Oelofse is offline Find More Posts by Sean Oelofse
Reply With Quote
Old Nov 10, 2010, 01:08 PM
.....till the wind drops.
Sean Oelofse's Avatar
Port Elizabeth, South Africa
Joined Oct 2006
3,517 Posts
Quote:
Originally Posted by Bakkie View Post
hkgk
???
Sean Oelofse is offline Find More Posts by Sean Oelofse
Reply With Quote
Old Nov 10, 2010, 01:11 PM
...missing the PE Slope Rebels
Flying Beagle's Avatar
United States, MI, Manchester
Joined May 2004
3,011 Posts
its Afrikaans, I had to google it, can you guess ?
Flying Beagle is online now Find More Posts by Flying Beagle
Reply With Quote
Old Nov 10, 2010, 01:24 PM
.....till the wind drops.
Sean Oelofse's Avatar
Port Elizabeth, South Africa
Joined Oct 2006
3,517 Posts
Progress is slow but will speed up tomorrow. I will collect a sheet of 2mm and 3mm correx. The 3mm is overkill for one fuzz, but you know how it goes.....the piece I have is just too small. I have cut the spars from 4mm ply.

Will prepare the spinner mold for layup. I use GP resin only because it sets faster.

Will layout the wing now. In the mean time check out the next mod that I have done. I added, a profile of the aileron inward section, to the wing skins.
Sean Oelofse is offline Find More Posts by Sean Oelofse
Reply With Quote
Old Nov 10, 2010, 01:27 PM
.....till the wind drops.
Sean Oelofse's Avatar
Port Elizabeth, South Africa
Joined Oct 2006
3,517 Posts
Quote:
Originally Posted by Flying Beagle View Post
its Afrikaans, I had to google it, can you guess ?
My guess something along the lines of "not going to look pretty"
Sean Oelofse is offline Find More Posts by Sean Oelofse
Reply With Quote
Old Nov 10, 2010, 04:03 PM
Rusty
Rusty Nail's Avatar
Auckland, New Zealand
Joined Feb 2006
870 Posts
Thanks for running this build guide Sean.
I have had the plans for a long while but now am motivated to do something with them.
Some points that concerned me since getting the plans:
The plans erroneously show the spar as full height. If you add on the skins (in my case 3mm each) that will make an already too fat airfoil impossibly obese for a sloper.
That triangle airfoil is a pig!
I know the powered guys are not concerned about efficiency, but this is a glider. Surely someone has addressed that very important area of the top front 30%, particularly the leading edge. It will greatly improve the performance, particularly near stall.
Not hard to do a rounded leading edge and only three corro ribs will allow any slippery sloper foil to get that penetration. Thinning the trailing edge is not difficult either.
And how do you get 1/12th scale on a 36 foot wingspan at 44 inches, even with 10% added?
Rusty Nail is online now Find More Posts by Rusty Nail
Last edited by Rusty Nail; Feb 15, 2011 at 08:27 PM.
Reply With Quote
Old Nov 11, 2010, 01:52 PM
.....till the wind drops.
Sean Oelofse's Avatar
Port Elizabeth, South Africa
Joined Oct 2006
3,517 Posts
Hey Rusty,

Pleasure to the "build guild"!

Rusty, we dont fly competion with our models. We fly them for the fun of it. Flying in formation is our favourite past time as this is when we make contact with each other without totally trashing your plane. The section has always worked just fine. Penetration has also been good. If the winds are too strong for this , we just add balast, and go again. It may be ""That triangle airfoil is a pig!""....but it works very well!!

What I have done recently is flatten the section and dihedral a little, thumb suck, just to speed her up al little. This is not a patternship we are competing with, as long as it flies, and does it well!

Hope this inspires you a little more to go ahead and build one!

I have now cast the spinner. You can use an off the shelf item, but this is cheap and is stronger, where you need to be. I placed some buck shot into the nose as I will need to add more later when balancing.
Sean Oelofse is offline Find More Posts by Sean Oelofse
Reply With Quote
Old Nov 13, 2010, 07:13 AM
Registered User
spoons's Avatar
South Africa, Midrand
Joined Oct 2004
3 Posts
Some South African slope action from earlier this year...

http://www.rchq.co.za/smf/index.php/topic,72968.0.html

What you think of them slopies?
spoons is offline Find More Posts by spoons
Reply With Quote
Old Nov 13, 2010, 08:03 AM
Bill Scott
billscottuk's Avatar
United Kingdom, Northern Ireland, Belfast
Joined Nov 2002
603 Posts
Is there a materials list available for this, or could somebody estimate how much of each size of correx we'd need.

2 or 3 of us here in NI thinking of building the Mig 7 and would like to bulk buy the materials.
billscottuk is offline Find More Posts by billscottuk
Reply With Quote
Old Nov 14, 2010, 12:46 PM
.....till the wind drops.
Sean Oelofse's Avatar
Port Elizabeth, South Africa
Joined Oct 2006
3,517 Posts
Quote:
Originally Posted by spoons View Post
Hey Spoons, very smart!! I know plenty of the guys featured there. We have tons of respect for the "scratch" builders. We know who they are!!
Sean Oelofse is offline Find More Posts by Sean Oelofse
Reply With Quote
Reply


Thread Tools

Similar Threads
Category Thread Thread Starter Forum Replies Last Post
Build Log first scratch-build! :D ClippedWings78 Foamies (Scratchbuilt) 7 Nov 01, 2010 07:45 PM
Build Log MiG-15 in 1/10th scale for PSS: A Scratch-Build John Rood Slope 4 Sep 17, 2010 08:41 PM