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Member postings for dirk tinck

Here is a list of all the postings dirk tinck has made in our forums. Click on a thread name to jump to the thread.

Thread: B24 Liberator - 1/12th scale PSS
09/12/2018 14:00:24

Good luck with the dead-line Andy !Not much PSS on my bench lately i'm affraid...But i will try to have something new for next season,something never seen on any slope ....smile d

Thread: fouga magister 1/4.5 moulded from scratch
09/12/2018 13:15:43

Next week doing the second wing flap and then it's cleaning up the complete wings and glassing !!wink 2

09/12/2018 13:12:45

20181208_230603.jpg20181206_230332.jpg20181206_220249.jpg20181206_223837.jpg

09/12/2018 13:10:05

Then seperate the rest of the flap and you have a double flapwink.Claen up all the edges and open up the hinge tube openings, making sure i leave a gap for stress-free movement.20181206_215346.jpg

09/12/2018 13:04:37

Glueing the part between flaps back to the wing with 5min epoxy. Making sure i don't glue the outside of the balsa to the inside of flaps20181206_213903.jpg

09/12/2018 13:00:15

2 : Cutting the wing and flap for about 2cm with a 1mm disc on a disc grinder. This gives a cut aprox.2 mm wide,just enough to slide some 2mm balsa in.This will provide the stiffness for the little piece between the flaps20181206_212641.jpg20181206_211447.jpg

09/12/2018 12:51:40

20181206_210710.jpg20181206_210713.jpgWith the hinges in place and a trouble-free movement of the flap it's time to make a double flap out of a single flap !

1:20181205_214707.jpg Drawing the lines on wing and flap

09/12/2018 12:43:31

After cutting the flaps out of the wing,i'm putting the hinge tube in just above the flap skin,then give the flap a leading edge in a way that 1:wing and flap don't touch

2 :With the flaps up, there's no gap on the upper side

3 :With the flaps lowered ,keep the gap minimum.

As you see in the foto,i first try'd to keep the scale size of the flap but it didn't work because of the difference in thickness at the root and tip of the flap.

09/12/2018 12:29:25

20181202_000111.jpg20181202_000057.jpg

09/12/2018 12:25:56

Got a new tool to cut the flaps out ! It really gives a clean cut ! Thanks Proxxon20181130_230732.jpg

09/12/2018 12:22:06

firt draw the flaps onto the wing.The flaps are way much wider on the underside than on the top-side as you can see on the scale drawing.I have to search for a compromise because the real fouga has fowler flaps (they slide backwards)I'm not going this route as it's way to much work.I'm doing them the ''easy'' way with tube hinges.20181130_225958.jpg

09/12/2018 12:12:06

Hi again ,before going on with the build,let's get you up to date :

After getting the second aileron in place,it's time for the flaps !

It's pretty much the same way of work if it wasn's for the flaps being seperated by a little piece of wingangry 2

Anyway,first i'm doing them as a single flap20181130_230004.jpg

26/11/2018 23:25:33
Thanks for your visit and Coment devcon1!In case i need to pull more then one out of the moulds,this will save a lot of time in the end.Cheers !
26/11/2018 00:17:17

20181125_225948.jpgI had to use a little filler to clean up the wing just in front of the aileron.

I'm happy with this day's work and the result.Te gap between aileron(God i'm beginning to hate this word) and wing is minimal but still have some space for glassing and paint.Deflexion is possible up to 60-70 degrees both up and down without the aileron touching the wing20181125_230045.jpg !More than i need !

26/11/2018 00:07:06

20181125_225948.jpg20181125_225925.jpgOnly thing to do now is to glue it in place ,clean up the aileron sides to fit prfect in the wing opening20181125_225930.jpg

26/11/2018 00:03:02

The gap with the piece to fill ituser_scoped_temp_data_thumbnail1543183321260.jpg

25/11/2018 23:54:46

To align wing and aileron i used two peaces of gfk hinge -axle.Later these will be replaced by a full ail-span axle.

With the aileron opening in the wing cut out to big,i'm going to form a hollow balsa spar to glue in just in front of the aileron.Nearly impossible to sand this right so i'm going to use two peaces triangular balsa stock 6x6 glued to a 2mm balsa base20181124_233245.jpg

25/11/2018 23:45:21

20181125_202315.jpg20181125_202309.jpg

25/11/2018 23:43:51

Got two peaces of hinge tube ready to glue in place in the wing.they have to be perfect in line with the aileron hinge tube20181125_202303.jpg

25/11/2018 23:37:54

Next is to put the ailerons back in place on the hinges.first clean up the sides of the opening in the wing with 2mm balsa20181124_233201.jpg

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