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Author Topic: U47 robbe tech rack  (Read 7441 times)

Telusboats

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U47 robbe tech rack
« on: February 06, 2015, 07:30:54 AM »

does anyone have plans for a tech rack for Robbes U47 that will accommodate the Engel 750 ml tank?
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essex2visuvesi

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Re: U47 robbe tech rack
« Reply #1 on: February 06, 2015, 09:50:32 AM »

There's a company called pirahna models in Germany that offer one for sale


http://www.modelluboot.eu/Preisliste.htm


The website isn't very good but drop the chap an email and he'll send you all the information and pics you need.  I have the Sea wolf Tech rack awaiting construction in Finland
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Subculture

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Re: U47 robbe tech rack
« Reply #2 on: February 06, 2015, 05:46:15 PM »

There's another outfit that produces a plastic tech rack, that looks almost identical to the type fitted in the Engel Lafayette.

Don't know if they have a website, but if you're on the book of faces, they have a page there-

https://www.facebook.com/pages/Modellbau-Wikinger/753073014783452

subkraft

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Re: U47 robbe tech rack
« Reply #3 on: February 14, 2015, 02:44:50 AM »

.....strange. My previous posts, images and responses have all disappeared from this thread.
Is this common?
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Telusboats

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Re: U47 robbe tech rack
« Reply #4 on: February 14, 2015, 03:19:00 AM »

What happened to all the posts?
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subkraft

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Re: U47 robbe tech rack
« Reply #5 on: February 14, 2015, 04:04:40 AM »

.....not just me then
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salmon

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Re: U47 robbe tech rack
« Reply #6 on: February 18, 2015, 02:39:17 AM »

If I was to hazard a guess, modelboatmayhem has had its fair share of database errors or site wide outage. I wonder if during the work to get it back and running, some data was lost. Admin, can you help?
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Tug-Kenny

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Re: U47 robbe tech rack
« Reply #7 on: February 18, 2015, 10:38:59 AM »



We did loose a days input, so a few letters cannot be recovered.

ken

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subkraft

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Re: U47 robbe tech rack
« Reply #8 on: April 28, 2015, 04:39:49 AM »

....anyone interested in starting again?
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Telusboats

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Re: U47 robbe tech rack
« Reply #9 on: April 28, 2015, 05:11:37 AM »

I would as I am working on a u47.
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hmsantrim

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Telusboats

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Re: U47 robbe tech rack
« Reply #11 on: April 28, 2015, 04:04:21 PM »

I am in Canada and would like to avoid transactions that are from outside North America. Is it possible for someone to send me the templates or instructions for the tech rack?
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TomHugill

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Re: U47 robbe tech rack
« Reply #12 on: April 28, 2015, 08:10:47 PM »

You should have no trouble getting them posted, sent plenty across the pond with no issue.
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Telusboats

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Re: U47 robbe tech rack
« Reply #13 on: April 29, 2015, 03:57:16 AM »

Posted, as in by the mail system?
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TomHugill

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Re: U47 robbe tech rack
« Reply #14 on: April 29, 2015, 10:49:22 AM »

Well I think the carrier pigeons would struggle to cross the pond...
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Silent Running

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Re: U47 robbe tech rack
« Reply #15 on: April 30, 2015, 01:13:35 AM »

Dose anybody know of a sure way to get the rear of the Robbe U-47 to fit snugly to the rest of the body? mine simply wont join up properly, i :-) can't complete it otherwise. Thanks.
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craggle

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Re: U47 robbe tech rack
« Reply #16 on: April 30, 2015, 08:16:20 AM »

Just another random question...

What size dive tank do you need for the U-47, Is it the 750ml one from Engel?
I have one of these in the loft nearing completion but then I changed my mind from the kit and wanted to make it a static diving sub and that's where it stopped.

Cheers

Craig.
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tsenecal

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Re: U47 robbe tech rack
« Reply #17 on: April 30, 2015, 10:55:40 PM »

Dose anybody know of a sure way to get the rear of the Robbe U-47 to fit snugly to the rest of the body? mine simply wont join up properly, i :-) can't complete it otherwise. Thanks.




the best way to create a seamless connection between bow and stern sections is to glue two sheets of .040 abs to the edges of the existing abs "body", but perpendicular to the body...  with a hole cut in the middle for the WTC.   its kind of hard to describe, but i will post pictures this evening of mine, when i get home from work.   basically instead of having the rough edge of the existing body pieces you will have two sheets of abs butted against each other.
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tsenecal

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Re: U47 robbe tech rack
« Reply #18 on: April 30, 2015, 11:02:50 PM »

Just another random question...

What size dive tank do you need for the U-47, Is it the 750ml one from Engel?
I have one of these in the loft nearing completion but then I changed my mind from the kit and wanted to make it a static diving sub and that's where it stopped.

Cheers

Craig.


i built mine with the 750ml tank, but in all honesty, a 800ml tank would work better... it was a struggle to make mine work with the 750ml
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craggle

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Re: U47 robbe tech rack
« Reply #19 on: May 01, 2015, 10:23:52 AM »

Many thanks for that, I'll have a look around for a tank 800ml or bigger then. :)

Would be good to get that back out the attic and progressed some more. I have the rivet kit, decks and resin conning tower from a German company that I think are no longer going. The conning tower is a model in itself.

Craig.
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Subculture

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Re: U47 robbe tech rack
« Reply #20 on: May 01, 2015, 11:34:33 AM »

Engel will make you a tank to a specified volume, always the same diameter however. They just vary the length.

Largest standard size is 825ml.

What you need to watch is the pressure building up inside the boat, as that can compromise hull seals if it gets too high.

Silent Running

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Re: U47 robbe tech rack
« Reply #21 on: May 01, 2015, 11:34:25 PM »

That's what I'm after thanks, any piccies of the boat in half by any chance please? btw what did you use to attach the two faces? Ta.
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Silent Running

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Re: U47 robbe tech rack
« Reply #22 on: May 01, 2015, 11:55:37 PM »

Anyone know where I can get hold of this abs 0.04 sheeting? I'm in Herts. Ta.
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Re: U47 robbe tech rack
« Reply #23 on: May 02, 2015, 10:36:45 AM »

Easier to find metric sizes in the UK. 1mm being closest. To be honest any plastic sheet would do, just bond it in with modified acrylic. Ebay is a good place for small quantities of plastic sheet, try typing ABS plastic sheet.

Does tend to be more expensive than other plastics though.

Silent Running

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Re: U47 robbe tech rack
« Reply #24 on: May 03, 2015, 12:25:57 AM »

That's what I'm gonna try mate, I've ordered a couple of sheets of abs A4, it's black but that doesn't matter, I can always go over it later. Ta everyone, and viva Nth London. ;)
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