Spanish submarine "Peral" - 1/144 display model by Mikro Mir

[DrSchmidt]

What size of wood strips do you use to reinforce the plywood sheets?...

[DrSchmidt]

I think also pitch controll.....with modern electronics that coud be doable.

[DrSchmidt]

Thanks! I think Peral could be a nice little RC project. Simply but interesting hull but, ideal shape for a WTC and making a static diver with propellers...

[DrSchmidt]

Disply is finished...just the name plates to be added.



...

[DrSchmidt]

I agree. guess its due to the fact that they were all experimental boats. But for 1888 its a very advanced design. Cross rudders, cigar shape, it hat...

[DrSchmidt]

inished a little side project: Spanish submarine Peral - the first fully electric submarine and the first sub to fire a torpedo submerged, all that as...

[DrSchmidt]

Still finishing the molds. The backsides are laminated and cured, Now I have to cut the protruding GRP and clean the seams. Then the mold is done......

[DrSchmidt]

That's be my answer too and the method I use regularly. Transparent plastic sheet that is screed (or clamped) to the mold. And then you work against ...

[DrSchmidt]

The backsides of the four molds is still open, just the sanded filling medium exposed to the open. So the next step is to apply a lid. Basically one takes...

[DrSchmidt]

Very nice...

[DrSchmidt]

Opened the mold and removed the master of the U1. Did not go smoothly as the master got stuck, but in the end some persuasion with a hammer helped. Molds...

[DrSchmidt]

Only when everything went well....still enough failure scenarioss. A stuck master, air bubbes, something got too hot dring curing....only when the master...

[DrSchmidt]

After a few weeks, 7 kg epoxy resin, 2 kg of surface resin, 2kg of glass fiber fabric and 22 liters of filling medium, the master of the S.M. U1 submarine,...

[DrSchmidt]

History repeating...the same sermon for the fourth and final quarter of the mold. Setting the Indexing pins and thread insets, building the wooden box,...

[DrSchmidt]

Allot of info on the XXI .... including gear boxed.

https://www.uboatarchive.net/Design/...iesTypeXXI.htm...

[DrSchmidt]

Perhaps deployable by dropping it from a plane....that thing looks like a blended wing body:

https://en.wikipedia.org/wiki/Blended_wing_...

[DrSchmidt]

Sanded flat, box removed, and the remaining quarter of the master cleaned. Seams look good. So ready for the final lap…

...

[DrSchmidt]

2,5 hours of laminating and 2 kg epoxy later, the third quarter is done....one more to go:



...