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Author Topic: Doppelraab Build  (Read 26928 times)

joe

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Doppelraab Build
« on: December 10, 2006, 22:57:32 PM »
Ok so I started to build a Doppelraab IV a couple of days ago.
It's a 1/5.3 scale 2.5 metre vintage sailplane designed by Vincent Besançon.
All info available on vincent's Retroplane website http://www.retroplane.net
It's my first vintage glider build.It's a pretty standard approach ply formers with longerons to form the shape of the fuse and a standard built up wing.All covered in solartex.
A great big thank you to Fred for all the ribs cut on his lovely new CNC machine.And very nicely cut they are too!

Evening one
Most of the rigtt wing done.just need to get ribs 1-4 which are ply and being cut by Mr Marie at the moment and then i can finish off



Evening Two
Left wing constructed to the same degree as the right.



Evening Three
Horizontal stab and elevator built.A bit of sanding needed and this is done.



Thats all for now.Back soon  :D
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Fred

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Doppelraab Build
« Reply #1 on: December 11, 2006, 07:47:22 AM »
:shock:
Damn Joe ! That is some fast building here !
Looking really good !
I put a link on the Retroplane Forum and let Vincent know that one of his baby is being build over here !

By the way, the plywood parts are done..While I was watching TV  :mrgreen:  :mrgreen:

Keep the pictures coming !  :D

Fred
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Alan_Perse

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Doppelraab Build
« Reply #2 on: December 11, 2006, 09:41:34 AM »
Damn, you are getting your wood cut out by Freds CNC machine. I have to mark and cut out may wood the old fashioned way  :(. Hopefully I'll have them all marked out by the end of the week.
 :shock: I agree with Fred. You are a fast builder. What glue are you using, CA?
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joe

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Doppelraab Build
« Reply #3 on: December 11, 2006, 10:50:52 AM »
Well it goes together pretty quickly when all the ribs are cut.A couple of hours for each piece so far.Will get the ply ribs off ya in the next few days.Thanks Fred.Really enjoying putting it together.Want to get it finished and flying in the next few weeks.Then even if I'm very busy next year I know I have a glider for Retroplane.Thats why I'm getting stuck in and building fast.
Guess it is just a construction when the parts are cut Alan.You are really "Building" it'll all be worth it in the end for you I'm sure
 :D

P.S yeah using CA,very quick.Need to get a proper building board though MDF will not accept pins!
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joe

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Doppelraab Build
« Reply #4 on: December 14, 2006, 23:45:17 PM »
Another evenings work and an hour today built the fuselage frame
 :D  :D





I like this glider already :D
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Fred

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« Reply #5 on: December 15, 2006, 07:47:43 AM »
That is really nice Joe !!  8)
So, ready for next week end for the maiden flight ?   :P  :P

Have you already choose the paint scheme for the Dopp ?

Fred
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Alan_Perse

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« Reply #6 on: December 15, 2006, 09:30:51 AM »
:shock:  :shock:  :shock: . Nice Joe. Keep it up. Do you think you will have it done before the year is out.
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joe

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« Reply #7 on: December 15, 2006, 12:27:06 PM »
Thanks Lads.Yeah it's lookin' good.Maiden flight new years day maybe  :wink:
i really like this method of construction and there are so many gliders built this way  :D
I'm starting to see the light Fred  :shock:  :shock:
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Fred

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« Reply #8 on: December 15, 2006, 13:18:11 PM »
Yep, you can't go back to fiber-glass shite after that !  :P  :P
So many beautifull subjects !
And with a little bit of time, easy to build too ! You will never buy a kit again !  :roll:

Saying that.. I have ordered servos for the ASW22  :lol:
Sorry, I need a toy between 2 real flights !  :mrgreen:

Fred
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joe

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« Reply #9 on: December 15, 2006, 14:09:14 PM »
:lol: "fiber-glass shite" you French have a lovely turn of phrase!
Steady on there  :D

I'd like to see the ASW22 fly.Would probably spur me on to get a modern 4metre.ASW15,27/28 or ASH26(my current favourite) or some other fiber-glass shite  :lol:

just noticed your new signature  :D
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Fred

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« Reply #10 on: December 15, 2006, 15:44:42 PM »
:P  :P
Yep, but I have to admit that It took time to setup this machine just because it is not interresting.. Not that I don't like it, but because the flight is not really challenging.. No surprise here, that will fly !
With a vintage, you have to pilot the machine from lauching to landing...
More stress, good for us !  :P

Fred
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Alan_Perse

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Doppelraab Build
« Reply #11 on: December 15, 2006, 15:47:16 PM »
Hey, there are some wooden gliders (such as the SF27) that use "fiber-glass shite"  :D :D  in there construction. I think Fiberglass gliders are great, but so are wooden gliders :D . In fact there is a fiberglass glider I would love to build from scratch some day when I have the skills. Its a French glider, the Pegase.
How big is your ASW22 Fred. Since its an Open class glider a 1/5 or 1/4 scale model would be big.
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Fred

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« Reply #12 on: December 15, 2006, 16:13:11 PM »
Hi Alan,
The asw22 is around 4mtrs.. Can't remember... :oops:
The pegase is a really nice model, but for me, the most beautifull French fiber-glass glider is definitively the Crystal.... Rhhhaaaaaa.... :D
Well, the sf27 is not really a vintage glider for me.. But I may be an integrist on that  :wink:  :P

So, going to fly this week end with us ?

Fred
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joe

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« Reply #13 on: December 19, 2006, 17:20:55 PM »
Haven't had a chance to do much work on the Dopp in the last few days.Almost all the webbing on the fuselage is done.Need to look at the tail now.

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Fred

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« Reply #14 on: December 20, 2006, 20:03:46 PM »
Sweet Joe !  :D

Nicely done !

Fred
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