Re: Churchill Prototype
Posted: Sun Apr 03, 2022 2:33 pm
I like it!
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Churchill Prototype
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Re: Churchill Prototype
Posted: Sun Apr 03, 2022 3:56 pm
Looking realy good
Re: Churchill Prototype
Posted: Mon Apr 04, 2022 12:38 am
Nice work Armortek! Looking really good. The tracks look great. Churchy will be an interesting beast!
Re: Churchill Prototype
Posted: Wed Apr 06, 2022 10:12 pm
Testing the springs on the Churchill.
Although we calculate the theoretical spring rate and compression values, there is nothing like a real test to validate things.
Although we calculate the theoretical spring rate and compression values, there is nothing like a real test to validate things.
- A_IMG_2038 (640 x 480).JPG (224.22 KiB) Viewed 5400 times
Re: Churchill Prototype
Posted: Wed Apr 06, 2022 10:53 pm
And is that before or after they'd pinged all over the factory ? 
Adrian.
Adrian.
Re: Churchill Prototype
Posted: Wed Apr 06, 2022 11:50 pm
The prototype is now called Zebedee!
Steve
Steve
Re: Churchill Prototype
Posted: Thu Apr 07, 2022 8:12 am
Showing your age Steve. Vorsprung durch Sprungen.
Re: Churchill Prototype
Posted: Tue Apr 12, 2022 3:55 pm
Railway wheelset anyone ?
This is one of 22 wheelsets on the Churchill
And some wheelsets from "Railway Wheelset & Brake Ltd" for comparison. Can see where the idea for the Churchill roadwheels came from ...
This is one of 22 wheelsets on the Churchill
- A_C3 (640 x 480).jpg (154.95 KiB) Viewed 5144 times
- A_C2 (640 x 480).jpg (190.4 KiB) Viewed 5144 times
And some wheelsets from "Railway Wheelset & Brake Ltd" for comparison. Can see where the idea for the Churchill roadwheels came from ...
- Railway wheelset.jpg (82.81 KiB) Viewed 5143 times
Re: Churchill Prototype
Posted: Tue Apr 12, 2022 4:25 pm
There's nothing like the gleam of newly machined parts in the morning, either of one's own making or others'.
In some was seeing someone else's is better as I don't have to clean up all the nasty turnings and chips...invariably getting
something stuck in a finger...
Jerry
In some was seeing someone else's is better as I don't have to clean up all the nasty turnings and chips...invariably getting
something stuck in a finger...
Jerry
Re: Churchill Prototype
Posted: Wed Apr 13, 2022 9:23 am
A bit more on the bogies for the Churchill.
On the real thing there are 2 types of bogies - Bogie Type A is on stations 1,2 and 11 on each side. Bogie Type B is on stations 3,4,5,6,7,8,9 and 10. The main difference between them is that the the suspension arm for Bogie Type A has additional flanges to increase its strength in order to cope with rough terrain.
The image below shows this, although it is a little hard to make out the strengthening flanges on the suspension arms. In the photograph the differences between the bogies is most obvious between stations 2 and 3.
Note that when you look at some ww2 and post war images, the bogies were occasionally mounted in incorrect positions - it was a case of needs must as mechanics made do with what they had.
.
Below is a image of the two types of Churchill bogies on our kit- the suspension arm is cast. On the Left is Bogie Type A and on the Right Is Bogie Type B
And some more photographs of the two of them.
.
.
On the Churchill, as you would have guessed from the above, there are a total of 22 bogies stations - here is a production line of them.
On the real thing there are 2 types of bogies - Bogie Type A is on stations 1,2 and 11 on each side. Bogie Type B is on stations 3,4,5,6,7,8,9 and 10. The main difference between them is that the the suspension arm for Bogie Type A has additional flanges to increase its strength in order to cope with rough terrain.
The image below shows this, although it is a little hard to make out the strengthening flanges on the suspension arms. In the photograph the differences between the bogies is most obvious between stations 2 and 3.
Note that when you look at some ww2 and post war images, the bogies were occasionally mounted in incorrect positions - it was a case of needs must as mechanics made do with what they had.
Below is a image of the two types of Churchill bogies on our kit- the suspension arm is cast. On the Left is Bogie Type A and on the Right Is Bogie Type B
- BOGIE TYPE A & B
- A_Bogie A and B (640 x 480).jpg (181.77 KiB) Viewed 5062 times
- BOGIE TYPE A
- A_Bogie A2 (640 x 480).jpg (172.48 KiB) Viewed 5062 times
- BOGIE TYPE A
- A_Bogie Ad (640 x 480).jpg (185.96 KiB) Viewed 5062 times
- BOGIE TYPE B
- A_Bogie B (640 x 480).jpg (195.13 KiB) Viewed 5062 times
- BOGIE TYPE B
- A_Bogie Bd (640 x 480).jpg (194.75 KiB) Viewed 5062 times
On the Churchill, as you would have guessed from the above, there are a total of 22 bogies stations - here is a production line of them.
Re: Churchill Prototype
Posted: Wed Apr 13, 2022 9:40 am
A good example of the wrong bogie type on station 1
- 80a87ce70c4aa8604dfabf8955609434.jpg (92.2 KiB) Viewed 5057 times
Re: Churchill Prototype
Posted: Wed Apr 13, 2022 6:09 pm
Love those castings for the bogeys arms! Looking good!
Bob
Bob
Re: Churchill Prototype
Posted: Sat Apr 23, 2022 2:02 pm
A few more photos of the Churchill - showing the engine air intakes, mudguards and a front view.
- A_Churchill 1 (640 x 480).jpg (214.33 KiB) Viewed 4780 times
- A_Churchill 2 (640 x 480).jpg (182.31 KiB) Viewed 4780 times
- A_Churchill 3 (640 x 480).jpg (165.46 KiB) Viewed 4780 times
Re: Churchill Prototype
Posted: Wed Apr 27, 2022 10:40 pm
A couple of images showing the mudguard ribs
- Ribs 1.jpg (80.07 KiB) Viewed 4614 times
- Ribs 2.jpg (83.54 KiB) Viewed 4614 times
Re: Churchill Prototype
Posted: Sat Apr 30, 2022 11:46 am
Showing off the competed turret and roof details.