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Old Jun 17, 2013, 11:30 PM
Registered User
Chile, Santiago Metropolitan Region, Stgo
Joined Dec 2012
183 Posts
Build Log
Ypsi notos build log - (in progress...)

This is my first DLG build, so deal with me.

I started of with some transparencies to get the position of the carbon fiber reinforced part of the wing






Calculating the spot to cut



Cutting the fiber glass and removing the foam to get to the carbon fiber..





With a circular file I cut a channel all the way to the the position of the servo to pass the cables through






Making some small holes with a pin to get epoxy more impregnated in the wing



Sticking with 6min epoxy. Probably should have used a 10min to get a better stick.



15cm dihedral.



sandpapering the wing to get better adherence.


I used two cellophane pieces of paper to get the whole fiber impregnated with the least amount possible, I removed the extra with a credit card.



I cut diagonally the 6cm wide carbon fiber strip to get 2 strips of 4cm on one side and 2cm on the other side.



Covering my face and eyes to cut the carbon fiber with a rotary tool.



Cutting the control horns, the dremel cuts it like butter.



I used plastic wrapper to get a shiny finish, and pressed it for 24hrs.


I measured from the leading edge of the wing to the beggining of the rear stabilizer is 68cm, So I cut off like 10cm, leaving enough that overlaps the rudder.



I marked where the the channel in the boom should end so that I wouldn't go passed it.


I used the dremel to trim of from the boom, the cut ended up very clean.



Cutting the position where the control horns will go.



I used a 0,8mm wire as the swivel for the rudder and elevator.



Here you can see the swivel installed in the rudder.



And the elevators swivel.



Installed control horns in the rudder and elevator.


Leveling the stabilizer.


I used 30 min epoxy this time to get everything in place, I messed up the rudder and it seems to be in a angle.



Heres the channel that will be used for the link of the "top drive" servo installation.


I used a circular file to do the aileron link channel.


Here I had to cut a bit of the aileron tape to get the wire through


Cutting the ailerons for the control horn installation


Aileron with the control horns installed.


Well that's my progress untill now, it's my first DLG and the manual sucked so I thought this might help someone.
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Last edited by barrosinc; Jun 18, 2013 at 09:42 AM.
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Old Jun 17, 2013, 11:33 PM
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Joined Jan 2008
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barrosync:

Looks good so far. Keep up the good work.

Yours, Greg
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Old Jun 18, 2013, 03:36 AM
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my building log at picasa:

https://picasaweb.google.com/1111033...eat=directlink

regards
thomas
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Old Jun 18, 2013, 09:09 AM
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Chile, Santiago Metropolitan Region, Stgo
Joined Dec 2012
183 Posts
Thanks Thomas, that will help me a lot!!
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Old Jun 19, 2013, 02:50 PM
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United Kingdom, London
Joined Mar 2012
168 Posts
awesome guys - hope to start my build soon. This will help a ton.

subscribed.
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Old Jun 27, 2013, 01:16 PM
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Chile, Santiago Metropolitan Region, Stgo
Joined Dec 2012
183 Posts
I still have some work to do... But I am progressing steadily but slowly.


I made a really small whole that just fits the link trying every couple of goes to get a perfect fit. Top drive ailerons don't allow any movement.


Here you can see the perfect fit, I tried this before sticking the to the ailerons because it is a lot easier to work with.


I made a tiny hole with the drill to get the pull string through the boom.


I used a small push rod tube to get the braided kevlar pull rope through the boom to avoid abrasion.


I made a small pieco of wood for the D47 servos.


There is a bunch of space leftover so that the servos will sit firmly


I wrapped the servos in masking tape just in case I brake one and need to replace it.


Here is the knot I used for the rudder and elevator..


They look really tight! I might use a drop of CA to keep it there.


Here you can see the aileron servo links perfectly measured.
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Old Jun 27, 2013, 06:34 PM
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United States, UT, Sandy
Joined May 2013
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nice....
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Old Jul 02, 2013, 11:46 PM
Registered User
Chile, Santiago Metropolitan Region, Stgo
Joined Dec 2012
183 Posts
Soldering the servos to the extenders, I tried going on without this step and got a disconnected cable while trying it out... Soldering is a must!!


Here I had a hard time screwing the screw back in because the link was very tough and there is basically no space to work with.


I used 6 min epoxy to stick the servo to the wing.


Here you can see the amount of movement the ailerons have upwards.


...and downwards.
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Last edited by barrosinc; Aug 01, 2013 at 01:18 PM.
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Old Jul 03, 2013, 06:25 AM
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Deutschland, NDS, Hannover
Joined Aug 2007
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Subscribed!

Very nice pictures, thank you very much!

Did you insert small pieces of a pushrod into the rudder and elevator where you stick the wire in? I think otherwise the wire will work through the foam and the glass one day. Especially because you use 0.8mm wire which is pretty strong IMHO (I use 0.5mm).




Christian
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Last edited by zero2nine; Jul 04, 2013 at 04:34 AM.
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Old Jul 04, 2013, 09:42 AM
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Very good work Max, keep posting, and don't forget to record first flight...

Mario
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Old Jul 04, 2013, 04:45 PM
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United Kingdom, England, Wiltshire
Joined Apr 2011
282 Posts
Very far off topic here, but your build photos are superb. The depth of field seems perfectly calculate to show off your work to best advantage. It really draws the eye to the piece of interest. Either you have stumbled upon a good camera setting or you know a thing or two about photography and you're applying it here. I'm going with the latter.

I'm enjoying reading about your build and the pictures are excellent.
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Old Jul 04, 2013, 04:50 PM
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Chile, Santiago Metropolitan Region, Stgo
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Thermalsniffer... guilty as charged...

www.barrosinc.com is my wedding photography page down here in Chile
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Old Jul 07, 2013, 11:28 PM
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Chile, Santiago Metropolitan Region, Stgo
Joined Dec 2012
183 Posts
Pushing AWG 32 servo extenders through the wing


Soldering the servos to the extenders.


Heres the servo installed with the cables soldered.


I used an MPX connector so that I don't have to fiddle with the receiver every time.


The MPX connector on the pod side, connected directly to the receiver.


Calculated 3,5cm from the border of the wing to the place where the metal insert is stuck inside the pod. I used a 2mm drill so that later I can make the 3mm thread with the tool that has 3mm thread on it.


I used the threading tool to mark the spot on the pod.


Heres the 2mm drill making the hole on the pod on the mark made on the previous step.


The threading tool must be used pushing hard enough for it to go in but not too hard to pull the insert out.


I used a sandpaper to scratch the surfaces on the outside of the pod and the inside of the boom to get better adherence.


Now I ensamble the whole plane, remember I still only have just one screw holding the wing. I do this because now I can measure everything and place the wing in the exact position it must be in, now I stick the boom with 30 min epoxy to get a lot of time to move stuff around and leave it overnight.


My initial estimation of the CG is 98mm... 18mm farther back than the recommended 80mm... It is going to need some weight.
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Old Aug 01, 2013, 12:36 AM
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Chile, Santiago Metropolitan Region, Stgo
Joined Dec 2012
183 Posts
Mounting D47 in the pod for rudder, I used the most outer hole of the small servo horn


I had to use a larger servo horn to get the movement I wanted


I made a wing of paper with the shape of the notos


I found the place I wanted to put the peg


Heres the peg in place, I used the hobbyking files to make the hole for the peg, and stuck with 6min epoxy, I used the hair dryer to get the epoxy all the way in.


I needed 11 grams of weight to get the CG to 80mm


Final weight 287gr
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Old Dec 24, 2013, 04:53 AM
GO!!!
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Eastern edge of the pond
Joined Mar 2003
284 Posts
Nice work barrosinc. Can you say how the model flies now and do you know which airfoil section it uses?
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