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[DrSchmidt]

I'm sure there are more than enough offers in your private spam folder ;-)...

[DrSchmidt]

Can someone configure the forum, that new users are not allowed to post more than 1 new topic per day or something down that alley? These spam bots are...

[DrSchmidt]

One has to admit, that the XXI were sleek looking boats...

[DrSchmidt]

Do you flush the brass parts after etching them with ferric chloride?...

[DrSchmidt]

That's the way....

[DrSchmidt]

I British gentleman shared his research material about the Holland 1 with me and I got plenty of photos of the current Holland 1 at Gosport. Unfortunately...

[DrSchmidt]

There is another trick to restore weld lines that might be even easier. You place masking tape left and right from the position you want to restore the...

[DrSchmidt]

The Prometheus .... still have the kit in the backlog....

[DrSchmidt]

I thin k printing makes certain aspects easier but on the other hand that also raises the bar quite a bit, as there is now no excuse to not include proper...

[DrSchmidt]

Closer....

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[DrSchmidt]

That's an awesome foto which would have saved me quite some time. So I might redo the cowling again....that's my current version:

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[DrSchmidt]

Took a while to get the cowling for the periscope right. I first drew the cowling according to the periscope drawings, but that would have lead to a collision...

[DrSchmidt]

Looks great David....

[DrSchmidt]

Continuing the work with the periscope. This was a unique design by Captain Bacon in which the scope wasn't raised vertically bit tilted upwards like...

[DrSchmidt]

As I wrote in another thread about my CAD models...I'haven't decided what to do with them yet. Just releasing them for free doesn't feel right after the...

[DrSchmidt]

Water piping with valve manifold is done....spent some hours getting every flange its bolts and nuts....and then the hand wheels.

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[DrSchmidt]

More details on the water piping and valve setup.

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[DrSchmidt]

Working on the plumbing.....I'm currently designing the water piping. The arrangement is based on the John Lambert plans, which are quite detailed about...

[DrSchmidt]

And when the pump is done, it find ts place almost invisible under the port ladder to the Otto motor....

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[DrSchmidt]

Creating these CAD models I can easily spend 1-2 days modeling a manual piston water pump from 1900....

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