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FreekS

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About FreekS

  • Birthday 11/16/1961

Profile Information

  • Gender
    Male
  • Location
    Netherlands
  • Interests
    Submarines

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589 profile views
  1. Hi all, first layer of epoxy-putty is on, and I’ve laid out the equipment I’m going to have to install, and roughly where in the boat it will come. note the picture is a bit „wavy“ due to panorama mode....! from left to right battery pack placeholder, LED Controller for the strip of LEDs that will come above the windows, Engel Ballast Tank (basically large electric syringe to take water in and pump it out) 40 MHz receiver and electronic leveler three servos for rudder and front and rear diveplanes Ballast tank controller motor speed controller and magnetic on/off switch brushless motor with coupler to shaft Messing cast prop.
  2. Woodwork on the hull nearly finished - next is impregnating with thin epoxy resin, then applying thick epoxy and sanding. Oh well, only in year 5 or so. Freek
  3. Finally starting to look recognizable. The woodwork is slow, mainly because the drawings I constructed from photos are not always accurate. But I’m not unhappy with the rough shape. It will be tricky to align the front and rear sides, which are separated by a bayonet. But at least I’m in my basement while it’s 32C outside!
  4. Well, I’m building again! My other projects are finished and as there is little model ship sailing going on I don’t need much time for repairs! Been working on the deck section of the Mesocaph, which will fit on top of the cylindrical pressure hull.
  5. Hi Mark, here’s the latest generation of the torpedo - in “my neighbors” pond This second video is from 2015 and shows the boat firing torpedos. Note, these were not electric - but rubber-motor powered. freek
  6. Hi Piet, sorry my project is going so slowly and I missed your post! I’ve got two parallel projects happening, one was to build 1:50 electric torpedos (weight 7 gram) for my K-XVIII. I succeeded thanks to the trend to “supercap”, using a 1F (correct, not picoFarad) capacitor gives me 10 seconds and 5 meter range. The toros work, now I need to update the firing mechanism of the two deck tubes on K-XVIII. The other project is to take a 1:48 plastic modelkit of an ASW Grumman Avenger, and make it into a working sub - flying loopings and barrel rolls under water. That one is still in the “tough” phase. Yes the move to Holland happened in July - I “retired” (the word still sounds weird) and moved back to my house in Baarn, between Hilversum and Amersfoort, that we left 10 years ago. Needed a serious update of insulation and solar panels but it’s all done now. My new workshop is also an improvement! Thanks Freek
  7. Hi all, Progress continues very slowly, and with a major interruption, as my wife Kien and I are moving back from Germany to Netherlands early next week. That means EVERYTHING must be packed up, including my shipyard! So here it is, I waited until 5 days before the movers came, but I’ve not seen this room this tidy in years! The last work was on an inside frame for the sail of the boat. Underwater the sail will have quite some water resistance so Picard built the sail around a metal frame (see pic in post #20). I decided to make it out of 2.5x2.5 mm messing, soldered together. I’m very mediocre at soldering, and initially all went well, then as new joints came too close to already finished soldered joints I switched to epoxy glue - enabling me to use the plastic sail as a mold. Still the soldered joints are weak and one broke already on packing (75W electric Weller, S65 solderfluid - it’s probably skill related, not materials!). Anyhow, once moved I’ll fix that. The frame will be glued inside the sail, the frame and 3D printed sail will sandwich the clear windows. LOOOTTTTTS more to do.
  8. Hi Piet! Mostly I use two-component epoxy (the slow curing variant as its waterproof). In this case there will also be a metal (messing) frame on the inside of the sail (it’s partly visible one one of the photos of the sub in Luzern) and I can hopefully sandwich the “glass” at least partly between the sail and this frame. That may reduce visibility of the glued areas. I might also paint those white on the inside. Not planned in detail yet...! Thanks for the likes and thoughts! Freek
  9. Hi all, today I tried to make one of the most curved windows of the subs sail. I used some transparent plastic (unknown origin) from a carton display box, a heat gun and a sanded 3D blank. Result of this test were encouraging, there is some yellowing of the plastic and the blank was not entirely the right shape, but it looks like a possible way of doing it!
  10. Amazingly, the printer finished the 16 hour printjob without a hiccup! I had spent maybe 3 afternoons behind my CAD program to design the shape of the sail, and expected to have to print it several times (I still may have to!). So after removing the support material I stiffened the sail with some foam to enable easier handling and sanding. Started with wet sanding with 60 and 120 waterproof sandpaper, and now may need to use some filler before continuing. I’m actually thrilled at the look of the sail! But it’s pretty fragile with couple of pieces having been broken and glued already. It’s slow going - sanding PLA is not so easy for me, but it’s going! Freek
  11. Now working on the sail (it’s upside down!). If the 3D print comes out - it was a steep learning curve in auto sketch fusion 360 - then the problem is reduced to making the heavily curved transparent windows.
  12. Hi all, I’ve been doing a bit more work on the Auguste Piccard as ....well....it still sounds weird but I retired! I did finish the 3D plotted portholes/windowsills. Have not cast the windows themselves yet. Then built the deck wil over a thousand holes in it, and now started on the “sail”. Here I can use some advice, it’s a thin metal sail with big windows and doors. Obviously it floods when the boat goes under. The shape is pretty complex (for an amateur like me) so I started building a wooden “blank” which I hope to use to shape 0.3mm messing around. Made a model out of paper (and a drawing on millimeter paper - do they still make that?!). But clearly the messing will warp in places and I don’t see how I can get that to work. Here are some photos - hope ya’ll have some pointers for me!
  13. Hi all! Another year gone by with very little building! I did manage to sail my two submarines a number of times this year, and with the repairs that inevitably come with that - and life in general in the way - Auguste Picard has taken a backburner. Yet i did do some work - the windowsills are printed, sanded and painted, the Hull is half painted, and the first work on the deck section has started. I do think I will have more time in 2019! Wishing you all a happy new year!
  14. Thanks for the Likes and good wishes! Oer the Xmas holidays I’ve printed all 43 „windowsills“, and started finishing the three that mount on the dome-shaped bow of the hull. Takes some sanding and a few coats of primer-finisher but looks OK. From some copper tube I sawed the thin rings, which were filled with clear 30 minute epoxy. These will be mounted in the 6mm holes after the bow assembly recovers its white final color. Then I will cast the conical windows in place. next is to finish the 40 windowsills that mount on the sides of the cylindrical hull. Ones done so far. freek

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