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"Aero-1946" at work - pics of a German hobby workshop project

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Aero-1946

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Last week Saturday Reinhard did a long time planned activity, he cabled a lot of of power sockets. Until now we used a cable drum and it was always a tangle of cable in our work shop.
First they were put on a wooden plate to reduce the amount of holes to drill in the (rented!) wall. Some of the power sockets are connected to a switch for easy handling.


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Simultaneously I worked to fill up our nearly empty stock of book stands and made some more “noses” from an unknown crashed WW2 aircraft with light purple color. When we bought that aircraft part some years ago, we forgot to ask the owner what type of aircraft it was. Anyway, it looks good.


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Today, Sunday, I am breaking up the household of my mom. It is the house of my family since 1955 – and a there is a lot of stuff…. And to surprise of myself I found a long forgotten picture of the famous aerospace engineer Werner von Braun, dedicated to me. My cousin married the goddaughter of him in the 1960s and immidiatly two young boys, me and my brother, wrote him for an autograph.

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Radio Ron w4ron

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And to surprise of myself I found a long forgotten picture of the famous aerospace engineer Werner von Braun, dedicated to me. My cousin married the goddaughter of him in the 1960s and immidiatly two young boys, me and my brother, wrote him for an autograph.

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Wow that's great, I love the von Braun autographed pic.
He was a genius of the first order.


cheers


.
 
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Aero-1946

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Best wishes for 2016!
from
Reinhard and Rolf

Reinhard started 2016 with his personal New Year´s resolution: To clean up his garden workshop after removing so many machinery and tools to our combined new workshop. I made a few pictures on Saturday, when he just finished a special tool. A tool for our simple hand press to fold back the bottom of the aviation-bookends. First I will show you again the pics of the situation, published here at the Garage Journal, when we started the weekly report in 2012. But 2012 was five years after starting our project and so the shop was overcrowded with stuff.

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The new situation: SPACE

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Simultaneous we decided to give our book ends the last upgrade and fold up the bottom of some of them. It makes the edge more strong and looks a bit better. The tool is like a small trimming press.

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Bears Fan

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Your shop as always is amazing! Nice job on the clean up and organization of the shop, I'm always amazed at the machinery in your shop and the products your making...I would really like to get a hold of one of those stools :beer:
 

nine4gmc

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You've come a long ways! Love the new shop and layout, lots of cool tools and cabinets in there to keep my eye busy looking at your pics/updates! Thanks as always for sharing, I look forward to seeing your next projects! Best of luck in the new year, hope it is better than last!
 
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Aero-1946

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Now it is winter here in Germany. Normally the season starts at the end of November and the worst time is January. Ok, we do not live at Alaska but minus 3 degree Celsius is not comfortable when you have no stove in your workshop. And in our new rented workshop we do not have one and are not allowed to install one. So, first thing is to use warm clothing. A sheepskin vest from my days as a field archeologist and SOREL winter boots from a trip to Greenland makes working more convenient. We installed a modular plastic grate on the floor, at the places where we usually stay for a while. Works perfect.


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At Saturday we decided to finally use the small leavings of the P-38 tail to make a limited production run of “P-38 Lightning book” ends. Until now the discarded pieces lay at my garden (to the displeasure of my wife). We started at 10am and (with the usual coffee break at 3pm) at 6pm 95% of the sheet metal was demounted and ready for the next steps. The remaining small scrap pieces will be sent to the smelter. We think it has been in total a good recycling project.

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View media item 57097That´s all we left over and will give to the smelter.


View media item 57098Small sheet aluminum pieces from the P-38 tail skin. Only great enough to produce book ends.
 
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rlitman

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"Aero-1946" at work - pics of a German hobby workshop project

Can you use a plug in radiant space heater? Something that beams a little warmth that you can warm your fingers on. That's my best source of heat in my mostly unheated shop.

Also, be sure to cover any metal tool handles. Especially air tools that get so cold in use. I like to use pieces from bicycle inner tubes to wrap my air tools. Invert them and stretch them on. Bicycle handlebar grip tape is another good option that insulates well.

Anyway the weather here in Gütersloh was positively delightful compared to yesterday's snow. :)

Good idea keeping your feet off the cold floor. I'd invest in good wool socks.
 

rodbuilderjim

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Love, love the work you guys do. It really is inspiring. I have been a tin bender for almost 20 years and I still get excited when I see work like you guys are doing! I have never done any rivet construction but am starting to play with this now. I always look forward to your updates. Thanks guys!

Ps: I know this has probably been asked but how do I get some of your products over here? I need a belt and at least some book ends! PM me if needed
 
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Aero-1946

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The last two weeks our work was a bit unspectacular, so I resigned to publish it here at GJ. At the next pic you could see the left over after two Saturdays of milling and punching and converting the P-38 remains to half-finished bookends. A space saving solution and if we have time to spare we could finish a couple of them.

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Our project to build something from corrugated sheet aluminum is not forgotten. We finally decided to use 0.6mm AlMg3 aluminum – and the problem began. We asked our metal dealer but it was not in stock. His offer a week later was much too expensive and only for Al99.5. for about 70,- Euro/sqm. So we asked for an offer from a dealer at the Czech Republic and are still waiting. 0.6mm is a bit unusual but it is the dimension used at the Junkers F13 for corrugated sheet aluminum skin.
The other building side is the tool to press the corrugation. Reinhard bought the necessary iron parts and is constructing and building step by step a device. Only 820 millimeter broad and it could be used with our big old press. The idea is to press valley after valley. Similar (but much bigger) tools have been used in the past by professional producers.

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Aero-1946

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On the first pic you see in detail the iron parts Reinhard has worked on Friday evening. The movable rod with three springs will adjust the sheet metal (that is what we hope). The yellow aluminum corrugated sheet is a souvenir from our trip to the JUNKERS museum at Dessau last year. We use it for adjustment and we hope to get a similar shape in the end. It is always a little risk to show these ideas in an early stage. Maybe it will not work …

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On Saturday we finally started a new run of our old cabinet. When we removed to our new workshop we put all the half made parts (we made them some years ago) to the attic.

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Not every necessary part has been in stock, but it is comfortable to start with a complete backside, sides and for example a shelf.
We took a prototype of that cabinet to the workshop to help us remember the numerous details, because our written description is in some cases not detailed enough.
We are not planning to build exact the same cabinet. We will make one with corrugated doors (if we are able to produce it) and an other one with doors skinned with BELL UH 1D helicopter sheet aluminum.

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Aero-1946

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Saturday, 02.20.2015: On the next-to-last picture you saw stringer with 14 holes. We need four for each cabinet but they were out of stock and so we made 16 of them on Saturday. If you make no mistake it is a satisfying work. The description from 2010 was helpful as the punching devices. The brass stopper makes adjusting the space between the holes easy.
By the way we build also a couple of brackets in different length to fix the cover plate and the bottom to the sides.

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At last we looked for a nice camouflaged helicopter part to cover the doors for the one of our two next cabinets. We found a piece, great enough and with the original identification plate next to the former recessed grip.
With the help of that number (BELL UH-1D C/N 8157) you find a pic of that helicopter at the internet.

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EdT

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Great thread!!! Interesting projects. If your shop is like mine, it will be moments before all the nice open, flat spaces are full of the stuff you have carefully put away. It just seems to be the way of the world. I am most impressed with the documentation of your projects. I too work on limited "production" parts and I am not as good as I would like to be about documenting the process steps so that I don't have to re-learn the part when I get another order. Keep up the good work and posts. It's all very interesting and inspiring.
 

Fly320s

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Very impressive work.

You mention that some pieces are for sale. Do you have a price for the Flugzeugschrank and the Fluzeughocker?
 
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Aero-1946

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Hi, our Flugzeugschrank is not for sale at moment. In the past we sold a few of them for about 2500,- EURO/each (ex works). I think the corrugated model and the helicopter model will be a bit (20%?) more expensive, if we ever offer them.
The pic will maybe explain, why we ask that money - if you are familiar with the making of sheet aluminum things: It is a lot of work.
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When we started with our stool, the price was between 300,- and 500,- EURO. But now our ME-262 and the P-38 has been sold between 1000,- and 1100,- EURO by a German reseller in his shop. It depends always on the material, we have used. A simple stool made from new aluminum is today for 500,- EURO ex works.
 
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bullnerd

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In one of the pics on this page there is a tool sitting in front of what looks like an entrance door. Is this a small press brake? If it is, can we see an up close pic? Please?
 
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Aero-1946

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Sorry, I do not know what picture or tool you guess. Will you please show that picture and I make a detail-piture next Saturday. But we have no press brake (but are searching for a hand operated small one).
 
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Aero-1946

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That is our lates sheet metal bender from CIDAN. We bought it in January 2014, just before we had to stop our work for more than a year. It is a used one, coming from a school and it is only 80cm wide. What is perfect for us the fact, it is triple segmented and so allowed to use it for forms, we could not produce with our other two benders.
We have not transported to our new workshop, because we are afraid it could be stolen.


View media item 37429Some more detailed pics of that very helpful machine are published here at GJ two years ago.
 
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Aero-1946

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Saturday, 02.27.2016:
As we have planned we continued with the corrugated sheet aluminum. Reinhard has finished last week the tool and made an impromptu test with two screw clamps. It works.


View media item 58514The tool before bringing it to our new workshop.


View media item 58515The two parts of the corrugation tool were installed to the front of our big press.


View media item 58516Here you could see it in detail. On the right side we installed a type of counter bearing, made from planks and a piece of rubber to prevent the press from unilateral erosion.


View media item 58517Four grub screws to install each part without drilling a hole to the press.


The making of a corrugated sheet:

View media item 58518After the first pressing. We started at the middle of the sheet to reduce the mistake. If you have only 1mm deviation at every step it is better to work in two directions.



View media item 58519Before the second pressing. We have to turn the sheet for every step. So the last valley is then a back.



View media item 58520After the second pressing.


View media item 58521Sample of our corrugated aluminum. Everything is homogeneous, even the remaining flat parts of the sheet. In the background you see centimeter.



View media item 58522For comparsion: a normal corrugated iron sheet and our handmade one.


View media item 58523Here is a former cabinet door, while making. In the background a wing part of a JUNKERS JU-52. Our corrugation is very similar to the old aircraft – enough for our purpose.


View media item 58524Testing the stability. Both are AlMg3, 0.6mm. On the left a 200g, on the right a 1000g hammer. Ok, you need a little bit more square centimeter sheet metal for the corrugations. But the result is much stronger.


View media item 58525A first view how the corrugated sheet aluminum will look as a cabinet door. But we have to solve a lot of problems to fix that new material to our until now used cabinet parts. Most of the rivet holes are at the wrong place.


The other cabinet with the HUEY doors:

View media item 58526Drilling the holes at the door skin with the help of a template.


View media item 58527Both fitted and drilled door skins.



By the way, we published 855 pics in total in the last three years. That means I have only 145 pics for the future. That will be a problem when I try to show the next steps in detail. Any idea?
 

rixtrix1

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Great work, Rolf. I am in awe of your hole punching press and jig. I wish I had access to the machines to produce some of the specialty tools you and Reinhardt use, such as the dies you have to dimple the holes you punch for strength, for one! you men do very complicated work, but having the correct tool and machines, along with the knowledge to use them makes it look easy to the onlooker, as pictures don't show the time involved.

I can offer no solution to your photo dilemma, other than to contact a moderator of this forum.
 
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Aero-1946

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Saturday, 03.05.16:
It seems as if the limitation of pictures we could publish is not a simple to solve dilemma.


We continued to build the doors (today only one door to remember every step) for our two cabinets. That means we have to make six more horizontal ribs. Each rib is made from only one piece of sheet aluminum (0.6 mm) and shaped by a sophisticated hand tool. (Today we would solve a task like that rib in a different way, not from one part.) Everything works well and it is a pleasure to use it and each rib is perfect like the other.

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At the same time the right helicopter door has been assembled and is now nearly ready.

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For the corrugated cabinet doors we made in total six small new ribs. They were used to stabilize the so called vertical “hinge rib”. The new one must be a bit different, because of the corrugation we have to change the points where the rivets will fix them. (At the pic you could see an old rib with red color and the typical “fingers” to rivet it.)
And in the end they will be partly visible, also because of the corrugation.

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yo-1

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I love your work. Need to read your thread more carefully soon, since I will rebuild a car inspired by historic racecar/aero with lots of aluminium.
 
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Aero-1946

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Saturday, 03.12.16:
First we finished the right door with the HUEY helicopter skin. At the inner face we use only blind rivets, so it is an easy work.

Then we began our first corrugated door.
We both tried to plan or to imagine last week how to install the grip body to the corrugated sheet aluminum – and failed. Too difficult for theory (for us (at moment)).
So we readily started to make.
We configured the place for the grip and used the milling machine and the template.

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View media item 58905Then we fixed with the help of Clecos the corrugated sheet to a wooden panel and shaped the ends of the corrugation to become flat. At moment we have no special tool for that, so we used some pieces of hardwood. From the underside we stabilized the metal with the help of a simple (but shaped to the form we needed) grip of an paint brush. That work was a bit time consuming, but we are satisfied with the result. And next time we will be much faster.

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nine4gmc

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Love the look!

Aero, for pictures I have a business godaddy website with unlimited traffic and hosting for about $10 month. I use an FTP app on my phone to upload pics when I take them and can link directly to them at any time, from any web device anywhere in the world.
 
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Aero-1946

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Thank you nine4gmc for the idea to solve the problem with the pic-limitation at GJ. But for me it is necessary to make it simple ... very simple .... what the hack is an FTP??? I use only a mobil phone (and only when I am travelling).

We started on Saturday as usual at 10 am and used the first hour to discuss a newly made tool to shape the end of the corrugation. That working step had to be a simple one, as we plan to use corrugated aluminum for some more things in the future. The tool is now made of two pieces and for testing we used an aluminum hammer. The result is ok, but we have to see if the dimension is the same after the shaping and it must be fixed to a press.

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From 11 am to 6 pm (with the usual one hour break at 3 pm for coffee and to become warm again) we continued in making the right corrugated door for our cabinet. With the exception of the hinge and a few blind rivets, the door is nearly ready.

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rixtrix1

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Congratulations on the look of the corrugated cabinet door! Hopefully you can find an easy solution for all the handwork to flatten the ends of the " ribs" in the corrugated panels.

Sent from my SCH-I435 using Tapatalk
 

rixtrix1

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Do you sell the bookends ? I did go to your website but I can't read German.

They do! I got a set for a friend's birthday last October. Send Rolf a PM. Process is quite easy and freight was minimal. Got a set in less than a week.

They will be in the shop today and Rolf only checks in here about once a week. Once you send a PM , you can exchange email and it goes easier from there.

Good luck!
 
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Aero-1946

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As rixtrix1 explained (thank you very much), to send book ends to the USA is easy. Please email if you are interested.

We met as usual on Saturday and first discussed the tool, Reinhard finished at Easter week. With the help of that tool (and last corrections by hand and with a modified plier) we now are able to make perfect ends for the corrugated panels.

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In the next step we like to shape the corrugations as it has been done by Junkers (for example at the wings of the Junkers F13). That means, we need a machine, like that we saw at Dessau at the Junkers museum. And it is obvious, we will not find a used one, so we have to make one. We asked a local turning shop for the three turning workpieces (only the three 800mm waved parts) and his price demand was prohibitive: 3600,- Euro in total. We will find a cheaper solution. The original aircraft panels were only 300mm broad.

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The remaining Saturday we worked on the second door of our corrugated cabinet.

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Aero-1946

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Last week we got an old damaged FASTI 3-roll bending machine, 1020 mm. The diameter of the rolls is 50 mm. It is made from cast iron and some parts were broken and have been repaired more or less perfect. But we hope it will work for our purpose to shape corrugated aluminum.


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At the same time Reinhard started to prepare his big lathe with a copy device, he bought some years ago. Until now there was no reason to use it, but now he try to make the three corrugation rolls. I will show you more details of that machine in the next weeks.

At Saturday we worked on our corrugation cabinet project and finished the second door and assembled both doors to the body of the cabinet.

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View media item 59576Here a picture of the wing section of a JUNKERS JUNIOR, at the Deutsches Museum München. Love these construction Details.

Next Saturday we will visit the “aircraft part fair” at Speyer and will show and offer our stuff to the public. And – more important – discuss the items with the visitors and meet a couple of friends.
 
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