Mr Dawe's Centurion.

Forum for discussion relating to the Centurion
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Phil Woollard
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Re: Mr Dawe's Centurion.

Post by Phil Woollard »

Lots done and lots to do.
Attachments
A bit of chain drilling needed to profile the hatch pad cores
A bit of chain drilling needed to profile the hatch pad cores
I'm using the mill to shape the hatch pad cores
I'm using the mill to shape the hatch pad cores
Roughing out
Roughing out
Starting to take shape
Starting to take shape
Reducing the thickness
Reducing the thickness
All ready for covering
All ready for covering
Black vinyl
Black vinyl
Carpet adhesive is convenient
Carpet adhesive is convenient
I can't fix the pads just yet
I can't fix the pads just yet
IMG_20230106_152857.jpg
The tan leather strap needs painting
The tan leather strap needs painting
I'm happy with the look albeit far to pristine
I'm happy with the look albeit far to pristine
I've joined the weather strip , this will be hidden later
I've joined the weather strip , this will be hidden later
Relief for this side only as the turret inner surface is in the way
Relief for this side only as the turret inner surface is in the way
That's the correct height for the weather strip
That's the correct height for the weather strip
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Phil Woollard
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Re: Mr Dawe's Centurion.

Post by Phil Woollard »

Nearly there with the loaders hatch and associated.
Attachments
Milling all those angled slots
Milling all those angled slots
I think these angled slots are to increase the weld surface area ?
I think these angled slots are to increase the weld surface area ?
IMG_20230109_141506.jpg
IMG_20230109_144945.jpg
The com's plug socket is an important detail
The com's plug socket is an important detail
Good old hacksaw
Good old hacksaw
Roughing down
Roughing down
That's the first time I've used this feature on this mill
That's the first time I've used this feature on this mill
IMG_20230109_155440.jpg
IMG_20230109_155848.jpg
You can probably see that the fixing tapped holes are drilled all the way through, it's easier this way as you don't have the problem of bottoming out the tiny m2 tap, just fill the hole latter.
You can probably see that the fixing tapped holes are drilled all the way through, it's easier this way as you don't have the problem of bottoming out the tiny m2 tap, just fill the hole latter.
Roughed out the two remaining armour pieces
Roughed out the two remaining armour pieces
It's easier to chamfer these short pieces this way round
It's easier to chamfer these short pieces this way round
Nearly done in this area, finishing off the last two armour pieces then milliput welds and some casting numbers tomorrow
Nearly done in this area, finishing off the last two armour pieces then milliput welds and some casting numbers tomorrow
Mechanical engineer.
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Phil Woollard
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Re: Mr Dawe's Centurion.

Post by Phil Woollard »

And for the patient purists, the loaders hatch but for top coat is finished.
Attachments
Does anyone know of an stl file of the Morris donkey engine, any scale is ok as I can resize. Even a very similar engine would be ok as I can modify to suit?
Does anyone know of an stl file of the Morris donkey engine, any scale is ok as I can resize. Even a very similar engine would be ok as I can modify to suit?
OIP (12).jpeg (43.75 KiB) Viewed 1197 times
Only one fixing necessary to hold these smaller armour blocks in place, thin cyno also helps secure the whole thing.
Only one fixing necessary to hold these smaller armour blocks in place, thin cyno also helps secure the whole thing.
IMG_20230110_133450.jpg
3 mm casting letters and numbers
3 mm casting letters and numbers
IMG_20230110_145051.jpg
Milliput, lots of fiddly weld beads
Milliput, lots of fiddly weld beads
IMG_20230110_160400.jpg
I'm looking forward to applying the NATO green
I'm looking forward to applying the NATO green
My favorite aspect of this piece......it now fits and so clears the cupola
My favorite aspect of this piece......it now fits and so clears the cupola
IMG_20230110_160817.jpg
Mechanical engineer.
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Phil Dawe
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Re: Mr Dawe's Centurion.

Post by Phil Dawe »

Coming along nicely Mr W! :)
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Phil Woollard
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Re: Mr Dawe's Centurion.

Post by Phil Woollard »

More of those armour pieces
Attachments
This block supports the scissor sight
This block supports the scissor sight
IMG_20230112_142117.jpg
IMG_20230112_142306.jpg
Roughing out
Roughing out
IMG_20230112_150406.jpg
These angles were tricky
These angles were tricky
IMG_20230112_154830.jpg
Lots of angles
Lots of angles
This tilting feature is very useful
This tilting feature is very useful
IMG_20230112_155640.jpg
The final flat for this piece
The final flat for this piece
I'm getting lazy using this mill to square pieces off, I may forget how to do it by hand
I'm getting lazy using this mill to square pieces off, I may forget how to do it by hand
IMG_20230112_163926.jpg
Mechanical engineer.
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Steve Lewington
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Re: Mr Dawe's Centurion.

Post by Steve Lewington »

Outstanding work phil always a pleasure to see.
Best regards
Steve
There is no time for peace.
No respite.
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There is only ......WAR.

SdKfz 7 Half Track, 88mm Flak 36, Panzer III, TIGER I Mid 2010, Panzer iv, Sdkfz251, Famo ,Chech Hedgehog x2
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Kevin Hunter
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Re: Mr Dawe's Centurion.

Post by Kevin Hunter »

Just fantastic.
I look forward to every instalment.
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Phil Woollard
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Re: Mr Dawe's Centurion.

Post by Phil Woollard »

Here's another for you Kevin.
Attachments
Have no idea what this piece is for?
Have no idea what this piece is for?
IMG_20230113_140800.jpg
This piece has an m3 right through it
This piece has an m3 right through it
Lots of m2 fixings from below
Lots of m2 fixings from below
Milliput weld beads
Milliput weld beads
There that strange mount thingy is done
There that strange mount thingy is done
Umm?
Umm?
Getting rid of the old paint then this base will be a good start
Getting rid of the old paint then this base will be a good start
Extra fixing holes required
Extra fixing holes required
IMG_20230113_155057.jpg
I think I have enough material to make The inner sight casting
I think I have enough material to make The inner sight casting
IMG_20230113_160216.jpg
IMG_20230113_160228.jpg
Last edited by Phil Woollard on Mon Jan 16, 2023 8:05 am, edited 1 time in total.
Mechanical engineer.
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Michael Cecil
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Re: Mr Dawe's Centurion.

Post by Michael Cecil »

That 'strange mounty thing' is the coolant header tank and filling point for the sight elevation control arm cooling system (or whatever its correct nomenclature is!). The elevation bracket pivots from the turret roof and is connected to the armament by a link bar. The link bar is a tube which is connected via piping to the coolant reservoir. It is to keep expansion/contraction of the link rod to a minimum due to variations in temperature and hence, minimise alterations to the armament-range gear relationship. Only applicable to Centurion :D tanks equipped with the RG.

Mike
Last edited by Michael Cecil on Sun Feb 26, 2023 6:01 pm, edited 1 time in total.
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Phil Woollard
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Re: Mr Dawe's Centurion.

Post by Phil Woollard »

Thanks Michael, getting along with the gunners scope.
Attachments
Off we go with roughing down
Off we go with roughing down
Marking out the armoured lump ready for milling
Marking out the armoured lump ready for milling
I cleaned the mill over the weekend
I cleaned the mill over the weekend
Checking the fits
Checking the fits
IMG_20230116_152229.jpg
Awkward piece to work this
Awkward piece to work this
As I'm making the scope armour from a number of parts I can mill right through this important piece
As I'm making the scope armour from a number of parts I can mill right through this important piece
I like milling the scope material
I like milling the scope material
IMG_20230116_163305.jpg
The lens is now bonded in so I can machine down as a unit
The lens is now bonded in so I can machine down as a unit
Squaring off the scope roof
Squaring off the scope roof
Reducing the scope lid
Reducing the scope lid
And now to machine down
And now to machine down
Lowering the unit until it's the right height, most of this will never be seen as it's hidden under the weather cover
Lowering the unit until it's the right height, most of this will never be seen as it's hidden under the weather cover
Mechanical engineer.
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Phil Woollard
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Re: Mr Dawe's Centurion.

Post by Phil Woollard »

Lots done to the sight.
Attachments
I'm going to use the bond and bolt method as it's very quick and very accurate
I'm going to use the bond and bolt method as it's very quick and very accurate
See if you can work out how I do it?
See if you can work out how I do it?
IMG_20230117_142141.jpg
IMG_20230117_142359.jpg
IMG_20230117_142958.jpg
M2 counter sink are very strong in stainless
M2 counter sink are very strong in stainless
All bolted together
All bolted together
Cutting out the cover sides
Cutting out the cover sides
All marked out
All marked out
IMG_20230117_150052.jpg
Sketchy but very quick
Sketchy but very quick
Filing and fitting
Filing and fitting
Tricky little piece coming up
Tricky little piece coming up
Soft solder is fine for these parts
Soft solder is fine for these parts
I'm getting very brave with the mill
I'm getting very brave with the mill
IMG_20230117_164742.jpg
I shall be repositioning and reducing the those fixings along the rear . And now onto the top which will be challenging no doubt
I shall be repositioning and reducing the those fixings along the rear . And now onto the top which will be challenging no doubt
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Phil Woollard
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Re: Mr Dawe's Centurion.

Post by Phil Woollard »

A bit more done.
Attachments
I need to increase the side angle
I need to increase the side angle
Cutting out the cover side pieces
Cutting out the cover side pieces
This spare steel sheet came from the bazooka plate of a 1/4 scale Panther
This spare steel sheet came from the bazooka plate of a 1/4 scale Panther
IMG_20230118_161750.jpg
I've now increased the side angle of the periscope enclosure
I've now increased the side angle of the periscope enclosure
Front armour piece
Front armour piece
IMG_20230118_171326.jpg
Lots more to do
Lots more to do
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Phil Dawe
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Re: Mr Dawe's Centurion.

Post by Phil Dawe »

So how does the bond and bolt method work Phil?
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Chang
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Re: Mr Dawe's Centurion.

Post by Chang »

...1/4 scale Panther...

Sounds interesting. :-D
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Phil Woollard
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Re: Mr Dawe's Centurion.

Post by Phil Woollard »

Email me Chang ptwoollard64@hotmail.com

Moving forward with the sight.
Attachments
IMG_20230119_145140.jpg
Just had to get some paint on the work to check the finish
Just had to get some paint on the work to check the finish
The wiper motor enclosure
The wiper motor enclosure
IMG_20230119_152932.jpg
For the boss, how the bond and bolt method can speed up the job
For the boss, how the bond and bolt method can speed up the job
Mark out and drill the fixing hole positions in the plate with your tapping size drill bit.
Mark out and drill the fixing hole positions in the plate with your tapping size drill bit.
Bond your part exactly where you want it
Bond your part exactly where you want it
Use the tapping size drill bit as a guide for an accurate hole, open up the plate holes with a clearance drill bit before you fix.
Use the tapping size drill bit as a guide for an accurate hole, open up the plate holes with a clearance drill bit before you fix.
Snap the bonded part off the work, then tap away, clean away the hard cyno from both surfaces.
Snap the bonded part off the work, then tap away, clean away the hard cyno from both surfaces.
Bobs your uncle a perfectly placed and fixed part
Bobs your uncle a perfectly placed and fixed part
Temporary mount
Temporary mount
IMG_20230119_165504.jpg
There's a long way to go yet.
There's a long way to go yet.
Mechanical engineer.
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