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Design It Yourself! - What you are designing around the Peter Miller series of articles

Building a model with Peter Millers Design it yourself article? Post info here!!!

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Peter 'Ivanna Crashalot' Savage03/05/2009 23:14:17
1557 forum posts
58 photos
Ok, i wasn't clear enough in the first thread, people were getting confused.
I made this thread to find out what other people were designing from the DIY article and to show off what i was building.
 
I will Start the ball rolling in my next post!
Peter 'Ivanna Crashalot' Savage04/05/2009 01:15:30
1557 forum posts
58 photos
Heres my project, its called a CEA/Jodel DR-1050 Ambassedeur
 

Heres the paper i used to draw the plane on
The Mag!
These are my reference Blue prints

My drawing station out in the conservatory
I have decided to incorporate speed brakes into it like the real thing, this is a little prototype of the mechanism I did

I decided upon a wingspan of 45" and a chord of 8" which gives an approximate wing area of 360 sq in. The wing will be made out of a centre section which is flat, no diherdral then there will be 18 degrees of dihedral under each wing tip
 
It is designed for a .20 to .30 two stroke
 
I haven't got any pictures of the actual plan, will take some tomorrow.

Edited By Peter Savage on 04/05/2009 01:17:25

Edited By Peter Savage on 04/05/2009 01:18:59

Gemma Jane04/05/2009 01:58:05
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1349 forum posts
53 photos
Ambassadeur  
Doug Ireland04/05/2009 02:04:07
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2088 forum posts
42 photos
I like the Jodel, very nice to fly!
Klippy04/05/2009 06:19:20
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755 forum posts
13 photos
Go for it! Sterkte! (strength) as they say locally.
Peter 'Ivanna Crashalot' Savage04/05/2009 10:57:45
1557 forum posts
58 photos
Am i the only one designing a plane from this article? lol
Gemma Jane04/05/2009 12:48:16
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1349 forum posts
53 photos
Perhaps Peter you are being too specific. Plenty of peeps on here are designing and building without reference to the articles. I found them a good read and they certainly helped to get me kick-started with the idea of producing my own model but I have many ideas of my own and personally would design in a completely different way. Why not just make the thread your Jodel build (which I'm certainly interested in) and then see if some others are inspired to have a go also?
Myron Beaumont04/05/2009 13:00:27
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5797 forum posts
51 photos
Peter  Perhaps a series of tips on how to overcome design difficulties on unusual configurations might benefit a lot of us "oldies" who have passed the stage of basic design as you've oulined in your excellent article(s)
That is assuming of course that you have the experience -cough-cough !
 Grumpy Myron
Peter 'Ivanna Crashalot' Savage04/05/2009 13:04:58
1557 forum posts
58 photos
Got a few pics of the actual plan now!







Thats it for now, will add a few more after my croissant!!!
Peter Miller11/05/2009 18:43:01
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11619 forum posts
1393 photos
10 articles
Glad to see that you are getting on with the drawings. I shall be interested in seeing it as it develops.
 
Myron You may have noticed that all my designs are pretty simple. Suggest some areas that you consider tricky.
Peter 'Ivanna Crashalot' Savage11/05/2009 19:14:50
1557 forum posts
58 photos
what would be good is maybe a follow on of explaining the things behind bi-planes wing area etc, i don't think i would design any bipes but i could see some people wanting to.
 
To anyone who likes the idea of my Jodel, i might be sending it off to RCM&E once it is finished so you might be ab le to have a go at building it. I am hoping to do a few small scale details on the prototype such as a landing light in the port wing and speed brakes under the wings, as per the full size.
 
I have found out the Plan Special Lysander i was going to build won't be released until autumn so i should be able to build this after the completion of my feugray.

Edited By Peter Savage on 11/05/2009 19:15:51

kiwi g21/05/2009 10:35:04
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1258 forum posts
Peter , A nice little jodel flew in at my local air field at the weekend. the pilot was passing thru and stopped to refuel.We all stopped flying and cruised over to check it out . I remembered your plan and build thread and thought Id check up to see how your going with it.  Keep up the good work .your probably not getting the feed back you were after
 But keep with it and you will get noticed
Good work
Thanks Kiwi G...
Peter Miller21/05/2009 11:16:31
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11619 forum posts
1393 photos
10 articles
I prefer the Turbulent, I did a nice one of those more years ago than I can rmemeber.
kiwi g22/05/2009 07:43:56
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1258 forum posts
Peter millar, pick a planes another topic thread..
Peter savage , send it to RCME and you never know, it may be printed.
Thanks Kiwi G.
Peter 'Ivanna Crashalot' Savage26/05/2009 12:01:51
1557 forum posts
58 photos
What kind of wash out do you think would be acceptable? i was thinking two bits of 1/16" under the tip rib and one bit of 1/16" under the next in rib.
 
Should be simple enough, i think i have got the right sized rudder now, it looks about right. Havent done much recently, been camping in tewkesbury for 4 days and i still have to go to college.
Peter Miller26/05/2009 13:40:28
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11619 forum posts
1393 photos
10 articles
The Jodel has sharply tapered tips. These could be prone to tip stalling, The actual Jodel as s lot of washout, not sure just how much.
 
I would say you want at least 2 degrees under the tip rib.
 
There is a simple way of measuring this. 1 degree over  a distance of 3 inches is 1/16" so, for example, 2 degrees over 6 inches would be  1/4" inch. 2 degrees over 9 inches would be 3/8" You can use these measurments to draw out a wedge shape.
 
JUst cut a suitable wedge from 1/4" balsa for the tip. A second wedge can be cut at half that size and fitted half way between the part of the wing flat on the board and the tip.
Peter 'Ivanna Crashalot' Savage26/05/2009 13:49:46
1557 forum posts
58 photos
Will do! I am hoping to get a brand new OS/SC 25/30 for my brithday to put in it, i think i have been mostly converted from electric to nitro!
batcho9929/05/2009 00:09:44
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347 forum posts
16 photos
Have you done anymore work on the Jodel Peter? I would also like to design a plane but I think i'd start with a  very simple box type fuse! Just to make sure it'll fly! Similar engine size as yours tho.
Matt29/05/2009 04:38:03
67 forum posts
Hi Peter
 
I've only just stumbled upon this thread, so sorry I didn't join in sooner.
 
I'm in the process of designing a Long EZ, using autoCAD and Profili Pro, though with the problems associated with canards I might put her on the back burner whilst I start with something a little more basic!
 
I'll try to get some sceen grabs on here when I get a few moments.
Peter Miller29/05/2009 08:18:47
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11619 forum posts
1393 photos
10 articles
batcho99.  The Jodel does have a nice simple box fuselage. IT just has a rounded turtle deck which is easy to do.
 
Don't ask me about canards. I don't know.
 
I do know that, having seen several bad accidents caused by propellers in unusual places I will never design a model where the prop is not in the normal place.

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