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