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Post Info TOPIC: Messing with the A7V, or perhaps messing up the A7V


Sergeant

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Messing with the A7V, or perhaps messing up the A7V
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a7v_00.JPG

I bought two 1/72 scale A7V Tank's from Emhar. The plan was to build one Röchling and one Krupps armour tank.

While waiting for the kits to arrive I looked at the references to find out what would need to be changed on them. Dangerous stuff, references. 

 

501_01.JPG

It gave me the great idea of building the only "female" tank built. The one without a gun in the front. For this I needed a new front plate with two machine guns instead of the gun. No problems. I have two kits, so I just liberated the second kit of the rear plate. A round hatch had to be removed from it but then I would be OK.

That gave me a problem. I was now missing a hull for the second kit. The tank was built on the chassis of the A7V Überlandwagen so that might be an option. I looked at the kit chassis and decided that it wasn't detailed enough but then I remembered an abandoned scratch project.

 

a7v_01.JPG

Once upon a time there were no injection moulded A7V in 1/72 scale. I had the awful 1/35 kit from Tauro and thought that I would use it as a pattern for scratch built 1/72 scale model. I started with the hull but then found the large book about the A7V and started using it as a reference instead. The result was that I started on a more detailed chassis.  This is how far I came with the project before it died. The main reason was that Emhar released a kit of it

 

a7v_03.JPG

The hull was almost finished. Why not use it on the Emhar chassis. I could then use my scratch-built chassis for a Überlandwagen. 

This idea ended when I compared my hull with the Emhar kit. Mine was much wider. I checked with drawings and found that my hull was of no use.  

On to plan B or is it C?

 

500_01.JPG

Back to the remains of the second Emhar kit. Fill the holes for the gun in the front plate. 

 

500_02.JPG 500_03.JPG

Cut the vents loose from the roof and lower them so they are in line with the roof. 

 

 

500_04.JPG Remove all hatches in the hull and cut the "windows" open. 

Sand the hull flat and start scribing planks into it. 

The aim would be the prototype that had a wooden body. 

 

 

uberland_01.JPGOn this site I found a paper model for a 1/48 scale Überlandwagen that I printed out in 1/72 scale and will use it as a pattern to build one with my scratch-built chassis. So, nothing will go to waste, but I will need to buy two more kits and restart on my original plan for the kits. 

 

501_02.JPG The Female "Gretchen" on the way.

 

501_03.JPG

I removed the twin-hatch and doubled the number of vents on the other hatch. I decided to correct my old Emhar kit as well. Now things get really messy. I bought the A7V book from Tankograd and found some nice drawings in it. Among them the roof of the "turret" 

As I understood it the last ten built had the configuration of the hatches as on the kit. The first five in the configuration that I converted to and the last five had both hatches as the kit but with eight vents. That made my version faulty as I only had six.

 

500_05.JPG

I also worked on the prototype adding some details

 

a7v_05.JPG

The female was also put together. Together with my old kit I will have three very different types.

 

500_06.JPG

More details added.

 

500_07.JPG

Time for door handles and rivets

 

500_08.JPG

After some discussions here I noticed that I put the hinges on the wrong side on the front door.

 

500_11.JPG

With first coats of paint on.

 

505_09.JPG

My old 505 had the roof cleaned for details,

 

505_10.JPG

and parts for the new vents has been started.

 

501_04.JPG 

Gretchen also got new vents. Too bad that they are wrong. The nice drawings were wrong. There should only be six holes, so I must remove them again.

 

500_12.JPG

Rivets has been added to the prototype.

 

500_13.JPG

So, I guess it is ready for some paint. Gretchen will have some rivets added as well.

 

501_05.JPG

I had a discussion about "Gretchen" and found out that the door hinges are mounted to the front on both sides. Of course, I had got it wrong. For some reason the glue didn't bite so it was simple to break the sides loose. Now I need to remake the vents on 505 and move some hinges on the wooden prototype body.

 

501_06.JPG

I found it hard to get the body parts to fit together as you must fit them to the chassis while assembling them. I would like to build the body first and then add the chassis but that is impossible, so I decided to make an experiment next time I build the A7V. As I had to pull the kit apart, I had a chance to test it now. I assembled the body without the chassis and that made it easier to align the parts. I then cut the chassis in two with an ~45-degree angle so I can slide the parts into the body. I found why the body was hard to get right in the first place. The front wall of the chassis interferes so I removed some of it to get a better fit.

 

500_14.JPG

With the hinges moved it is time to check out what else I have missed. I think that it is only the door handles now.

 

a7v_07.JPG

It turned out to be easier to build new hatches than trying to modify the old one. As I now distrust the drawings, I've started to suspect that the small circular vent should be present as well.



-- Edited by Orso on Monday 8th of June 2020 04:34:29 AM

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Björn

https://baecklund.eu/scalemodels/home.html

 



Legend

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There are only one set of A7V drawings which are known to be ok. That is, the set of drawings the Queensland Museum used to sell based on Mephisto.

These drawings were done when the German team from Munster did a very thorough analysis of Mephisto before they built their replica.

Only having a single exemplar and a bunch of tanks which are different from each other in many ways makes creating accurate drawings a difficult,

if not impossible task.

Regards,

Charlie

 



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Sergeant

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In this case they draw the hatc upside down showing the inside. If I would have been more alert I should have catched this before I started to cut the model.
Besides it is the same hatch that should have been on the Mephisto to.

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Björn

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Sergeant

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501_07.JPGThe last details has been added to Gretchen

501_08.JPG

So it is ready to paint (at least it is what I thought)

501_09.JPGBut looking at pictures made me realise that I goofed (AGAIN) 



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Björn

https://baecklund.eu/scalemodels/home.html

 



Field Marshal

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A very interesting work!

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Sergeant

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501_10.JPG

Finally I got some paint on one of my models.

 

501_11.JPG

501_12.JPG

#501 during testing with no covers over the towing hooks  and still having full armour at the boogies.

 

501_13.JPG

501_14.JPG

If you recall that the hinges on the doors are at the front you will see that it isn't the same picture repeated.



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Björn

https://baecklund.eu/scalemodels/home.html

 



Field Marshal

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Very good work!

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Sergeant

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500_15.JPG

The prototype #500 is finished.

 

500_16.JPG

500_17.JPG

I went for camouflage paint instead of unpainted wood.

 

500_18.JPG

500_19.JPG

So they are finished at last. Now I am waiting for more kits that has been on their way from England over a month.



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Björn

https://baecklund.eu/scalemodels/home.html

 

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