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Post Info TOPIC: Mark IV 3D CAD drawings


Lieutenant-Colonel

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Mark IV 3D CAD drawings
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I also forgot to post progress on the tank model itself. It is mostly finished now, I miss only some details of certain modifications. Here is a rendering of the Mark IV model with female sponsons and unditching beam rails as seen on Flirt II at Wailly (which however did not have the fascine hooks as shown here):



I am still looking for information about the front cab roof hatch which was present on some tanks (I mean not the hatch as seen on Beute tanks, which was different to the original British hatch). The hatch of the Mark IV has distinct differences to the one found on the Mark V, and I lack a clear photo which shows the inside of the hatch. If someone here has such a photograph and wants to help me, I'd really appreciate it!

Best regards,
Thorsten



-- Edited by thorst on Monday 15th of May 2017 11:45:21 AM



-- Edited by thorst on Monday 15th of May 2017 11:46:39 AM

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Sergeant

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Truly superb, I am envious of your skill.

Chris

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Captain

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Magnifique !
Thorst : Placing the 2 hooks on the roof of the cab for the fascine , you will have to place the 2 hooks on the glacis , they go together.
Best Regards
Olivier

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Lieutenant-Colonel

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You are right. It is not an error in my model, which includes the hooks. I only missed to include them in the render. It took 3 hours on my computer to calculate, so I didn't redo it.

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Hero

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Hallo!

Can you advise the software you are using ?  It looks a good deal like Rhino.

MFG

28juni14



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Lieutenant-Colonel

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Yes, it is Rhino 3D V5.

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Sergeant

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Thorsten,

I had forgotten about an Australian modelers site which has detailed walk around photo's of "Grit" the Mk IV at the Australian War Memorial which is in its original state from when it was shipped to Australia in 1918 to help with War Bonds fund raising. here it is www.ammsbrisbane.com/ajax/reference/Mark_IV.html

Cheers,
Chris
Brisbane Australia

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Sergeant

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Thorsten,

As pointed out by CharlieC on a thread regarding the colour of WW1 British tanks, I gave you the incomplete URL:

"The URL for the AMMS page is incorrect - it should be: www.ammsbrisbane.com/home.html

(it's a similar setup to the Landships II pages - you need a special URL to load in the whole page rather than a broken version

of the content only)."


Thanks to CharlieC.
Cheers,
Chris

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Lieutenant-Colonel

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Chris, thank you. I already have these saved in my files, but it's very kind!

Best regards,
Thorsten

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Hero

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An amazing piece of 3D modelling there Thorsten. A lot of hours work. You should be rightly proud of what you have achieved.

Helen x



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Corporal

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 Thanks for your great CAD drawings of the Cambrai fascine apparatus!  They're just what the doctor ordered for my fascine tank model.  

With regards to the "French Windlass," ( Do they call them "English Windlasses" in France?) Would you say these like are braided towing cables, or ropes, or some kind of bungee?

Best regards,

New Member,

Greg (Frogman) 

 

 

    



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Greg V. Hill


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Greg,

I'm glad that my drawings are helpful for you. I have no hard evidence, but I think that it is a piece of rope. It seems to be closed with a knot as far as I can see from the photographs. A towing cable might be too stiff for that purpose.

Best regards,
Thorsten

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Major

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This was a question I'd also already in mind!
But, if it weight about 2 tons does a rope can hold it?
Can you, maybe, enlarge the picture of the knots? I don't know how to make it without make the picture vague.



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Captain

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Hello

"Spanish windlass" is related to the mode of execution in Spain ( Garrote ).
It is related to turn 2 rope together using a lever to create tension.
The rope on a fascine is not intended to hold the weight of the bundle but to tension it up to the forward .

Best Regards
Olivier

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Major

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That makes sense! Thanks a lot!

Also the explain of the term "spnish windlass", now I'm just wondering how we name it in germany? Never mind of that!confuse



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Major

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Another question(s) which came in my mind:

Were that ropes attached just for the transport?
Other devices, as the Hayney book (p.110), shows a original drawing, were a CHAIN is attached to the front hook.
So they maybe tighten them up for secure transport on the railway?

And what happend to the chain after releasing?
It would be still attached on the front hook and slipped underneath the tank while driving further on.
Well, maybe this wouldn't harm that much, because there might be no obstacles on the battlefield that a 28t tank couldn't handle (or the hook might break away).
I can't imagine that somebody would go out side just to release it..

 

What do you think (or maybe know)?



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Lieutenant-Colonel

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The drawing in the Hayne's manual is rather a scheme than a blueprint. All pictures I know which show the fascine in this position seem to show ropes.

After releasing, the ropes just fell off. That is why the hooks at the front point to the bottom. The lugs will just slide off.

But for a further discussion, I would suggest to start a dedicated thread with your questions, such that the topic can be found by a search in the forum in the future.

Best regards,
Thorsten



-- Edited by thorst on Wednesday 15th of November 2017 05:57:36 PM

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Major

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thorst wrote:


But for a further discussion, I would suggest to start a dedicated thread with your questions, such that the topic can be found by a search in the forum in the future.


 I've added at this threat, not to overload the forum with different threads with questions about fascines.
https://landships.activeboard.com/t63516077/fascines-and-cribs/?page=last#lastPostAnchor

If you have any pictures, showing the attachment on the front might you please post it there?

Thanks a lot!

Oliver



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