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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: Fouga magister 1/4.5 moulded from scratch
06/10/2019 18:22:13

OOhh nice you're building the sabre !!

I'm just building one !The others are for friends.

Are you going to fly it at the mass build weekend ? hope you do ! (june2020)We can share the ride !

06/10/2019 17:02:34

Hi Chris,

The PVA is in fact the second release agent besides the wax.It's a very thin film that is sponged on and after moulding can be washed away with water.

I don't trust moulding with just wax like some modelers do.

Some know PVA as white glue but that's a totally different product...

Hope this clears things ?

Best regards ,Dirk.

06/10/2019 00:28:48

Today ,a friend following the blog here, asked me ''where did the fuse molds came from ?????

For the readers here who don't know the history of the PSS model i will look-up the foto's of the fuse-plug build back in 2016.

06/10/2019 00:21:37

The result for today :20190930_220302.jpg

06/10/2019 00:20:34

20190930_220211.jpg

06/10/2019 00:19:52

on with the filler !20190930_214319.jpg

06/10/2019 00:18:14

20190929_230253.jpg

06/10/2019 00:17:17

After some magic with filler i'm happy with the result.

Time for more filler to transfer the wing profile onto the fuse. First protect the wing plugs with some plastic to avoid the filler sticking to the wings.

Almost forgot :Mesuring the 2 degrees positiv incedence.

With the fuse bubble level,and the meter in place20190928_215524.jpg ,marking the wing position at 2 deg.

06/10/2019 00:05:41

20190929_230048.jpg20190929_225851.jpg

05/10/2019 23:59:42

Thanks all for the comments,works like a boost !

After a lot of mesuring and staring at my fouga books i finally made the holes for the wing tube and fitted the wings(the plugs) on to the fuse.At the first look i noticed some difference between the L and R gap (between fuse and wing). it's 3mm on the left and 8mm on the right

Mesuring again to find the problem left me with only one possible cause : the fuse must have a bit more ''rounding'' on the left.

Only one solution:Reshape the right side with filler.Problem solved.20190929_230034.jpg

03/10/2019 00:39:30

Next day's (evenings)will be spend on adapting the wings on the fuse,placing the wing tube and anti-rotating dowels.

All this has to be done,keeping in mind the 2 deg. wing incedence (pos). After the wing profile is set onto the fuse , it will be too late to change this.Every fuse coming out of these moulds will have the same incedence angle !!

Stay tuned !!

03/10/2019 00:28:21

Another milestone in the fouga history !No defaults ,no airbubbles,exhaust adaptation perfect !

03/10/2019 00:25:52

20190921_234252.jpg20190921_234233.jpg20190921_234209.jpg20190921_232100.jpg20190921_232034.jpg20190921_231950.jpg20190921_230947.jpg

03/10/2019 00:22:48

after drying ,time to un-mould.By forcing some wooden wedges between the mould halves,and twisting them there should be bo problem taking them apart.Here the PVA has to to his job together with the wax.20190921_230936.jpg

03/10/2019 00:18:23

20190919_232344.jpg20190919_232339.jpg20190919_223557.jpg20190919_223527.jpg20190919_223519.jpg20190919_223457.jpg20190919_223452.jpg20190919_223439.jpg

03/10/2019 00:09:10

After cleaning up the edges it's time to bolt them together.Before that i'm making up some glass bands 6-7cm wide to laminate over the seam on the inside.

This is not a easy task(my arms are not long enough !!)20190919_213258.jpg

03/10/2019 00:02:50

other side20190918_223633.jpg

03/10/2019 00:01:11

20190915_215510.jpgedges cleaned up20190915_215336.jpg

02/10/2019 23:59:27

20190913_230706.jpg20190912_224949.jpg

02/10/2019 23:55:55

First half :20190912_224940.jpg

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