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Possible new Tamiya 1/16th scale British Centurion

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Possible new Tamiya 1/16th scale British Centurion

Old 01-08-2022, 03:57 AM
  #101  
cleong
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Originally Posted by afv aficionado
Hi Cleong
Pershing style final drives? They're actually the same design as on the 1/25th Centurion that came out 49 years ago, so perhaps that should be Centurion style?

Mal
Iíll take your word for that as Iíve not built the 1/25th Centurion. Aside from the Pershing none of the other 1/16th scale tanks use such a final drive reduction.
Old 01-08-2022, 05:14 AM
  #102  
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Originally Posted by cleong
Iíll take your word for that as Iíve not built the 1/25th Centurion. Aside from the Pershing none of the other 1/16th scale tanks use such a final drive reduction.
Since the centurion is my favorite cold war tank and I may purchase one of these when it comes out, I am quite interested in this. What is the purpose of this reduction? I seem to remember the actual centurions being a bit slow. Is it to keep the model in a more realistic scale speed range?
Old 01-08-2022, 11:13 AM
  #103  
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For my old 1/25th Cent, I thought it was to replicate the set up in the real Centurion.
Speed wise, I cannot recall, my 1/25th Centurion had the old style thin metal gears that eventually cut grooves in the brass gears - effectively a self destruction feature. Modern gear boxes have come a long way.

Conversely, my Ludwig Cent in 1/16th does not have the reduction gears at all, though as it's a WIP, I still have not run it, as yet.

Mal
Old 01-08-2022, 01:04 PM
  #104  
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Originally Posted by afv aficionado
For my old 1/25th Cent, I thought it was to replicate the set up in the real Centurion.
Speed wise, I cannot recall, my 1/25th Centurion had the old style thin metal gears that eventually cut grooves in the brass gears - effectively a self destruction feature. Modern gear boxes have come a long way.

Conversely, my Ludwig Cent in 1/16th does not have the reduction gears at all, though as it's a WIP, I still have not run it, as yet.

Mal
How well I remember those narrow steel gears sawing through the brass ones in the old tamiya 1/25th scale models. It was a matter of building the model, running it for several hours total and then putting it away as a display model, never to run again. It is amazing what poor quality we were willing to put up with back then.
Old 01-08-2022, 01:15 PM
  #105  
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Very true. Though if you're the only game in town..... Think about how it would be if Hooben was the only option. Very Scary.

Found some pics


Tamiya 1/35th, Tamiya 1/25th, Ludwig 1/16th

1/16th Cupola on 1/35 hull

1/35th turret on 1/16th turret

Tamiya 1/25th original gearbox

Tamiya 1/25th gearbox close up

Mal

Last edited by afv aficionado; 01-08-2022 at 01:20 PM. Reason: Further thought
Old 01-08-2022, 06:07 PM
  #106  
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Originally Posted by oldwolf75
Since the centurion is my favorite cold war tank and I may purchase one of these when it comes out, I am quite interested in this. What is the purpose of this reduction? I seem to remember the actual centurions being a bit slow. Is it to keep the model in a more realistic scale speed range?
I think itís so that the shape of the rear hull can remain accurate, otherwise the gearbox frame would have to be in line with the sprocket to provide drive.





Tamiya need not use gear ratios to tune the tankís speed as it is possible to tune that using the MFU programming - for example, in Tamiya 3 speed truck gearbox MFUs, the maximum current in each of the three gear positions differs.
Old 01-08-2022, 09:14 PM
  #107  
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Originally Posted by cleong
I think itís so that the shape of the rear hull can remain accurate, otherwise the gearbox frame would have to be in line with the sprocket to provide drive.





Tamiya need not use gear ratios to tune the tankís speed as it is possible to tune that using the MFU programming - for example, in Tamiya 3 speed truck gearbox MFUs, the maximum current in each of the three gear positions differs.
That's a Mk.13, it had that part of the hull extended so they could fit in an additional fuel tank. The feature your pointing out would be even more pronounced on earlier hull types. Interestingly the Israelis made the same modification to their Mk.3's and 5's when they upgraded them with the L7 cannons making them into Sho't Meteors.
Old 01-08-2022, 10:02 PM
  #108  
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Hi King Tubby
You're right, that's a late Cent rear, the early one looks like this -

NZ Centurion on delivery, probably a Mk III

Mal
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Old 01-08-2022, 10:46 PM
  #109  
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Originally Posted by king_tubby
That's a Mk.13, it had that part of the hull extended so they could fit in an additional fuel tank. The feature your pointing out would be even more pronounced on earlier hull types. Interestingly the Israelis made the same modification to their Mk.3's and 5's when they upgraded them with the L7 cannons making them into Sho't Meteors.
Yup. Either way they would have needed that little extra gearbox. Well, it just got harder to convert a Tamiya Centurion Mk 3 to a Sho't then...

The Panther actually has a similar gearbox in real life, but no model has the same functional thing. Tamiya didn't even bother to model it in their Panther G, but they had to cut slots in the front lower glacis so that standard gearboxes would fit. That also creates one of the identifying features that differentiate a Tamiya Panther from a Heng Long Panther, as they have a front lower glacis with different slope angles.

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Blue circles showing where the gearboxes go, Tamiya gives you some aluminum tape to cover up those slots externally
Old 01-08-2022, 11:27 PM
  #110  
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From Tamiya Model Magazine International, issue 10 Summer 1987, photo for discussion purposes only.
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Old 01-10-2022, 02:07 PM
  #111  
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Originally Posted by king_tubby

From Tamiya Model Magazine International, issue 10 Summer 1987, photo for discussion purposes only.
Yes this is the one I would like to do. IDF Shot Kal.
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Old 01-10-2022, 04:35 PM
  #112  
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Tamiya 1/25 Centurion does not currently use this type of gearbox. This is a very old type of gearbox.
Old 01-10-2022, 04:39 PM
  #113  
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Exactly. You'll note we mentioned that the gearboxes we have now are much better - that's progress.

Mal
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Old 01-11-2022, 02:34 AM
  #114  
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Originally Posted by Tsukasa
Tamiya 1/25 Centurion does not currently use this type of gearbox. This is a very old type of gearbox.
Absolutely, current gear boxes are a thousand times better! The gear boxes shown are from the ďgoodĒ old days 40 to 50 years ago. A reminder that the good old days were actually pretty bad by todays standards!
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Old 01-11-2022, 04:00 AM
  #115  
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Originally Posted by MAUS45
Yes this is the one I would like to do. IDF Shot Kal.
Full article was around 5 pages long with step by step instructions to convert the Tamiya Mk.3 into an IDF Sho't as they were in 1973 with photos the author took of a captured example the author, Vasco Barbic, took shortly after the Yom Kippur war in Cairo. Also had painting and marking guide.
Old 01-11-2022, 08:11 AM
  #116  
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By the way, I got Tamiya 1/16 Centurion. However, I am very busy right now and will not create this right away.....
Old 01-11-2022, 08:17 AM
  #117  
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I also would like to do IDF Shot Kal too.
Where can I find this material?
Old 01-11-2022, 09:06 AM
  #118  
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Originally Posted by Tsukasa
By the way, I got Tamiya 1/16 Centurion. However, I am very busy right now and will not create this right away.....
Tease
Old 01-11-2022, 11:52 AM
  #119  
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Originally Posted by cleong
Yup. Either way they would have needed that little extra gearbox. Well, it just got harder to convert a Tamiya Centurion Mk 3 to a Sho't then...

The Panther actually has a similar gearbox in real life, but no model has the same functional thing. Tamiya didn't even bother to model it in their Panther G, but they had to cut slots in the front lower glacis so that standard gearboxes would fit. That also creates one of the identifying features that differentiate a Tamiya Panther from a Heng Long Panther, as they have a front lower glacis with different slope angles.

Attachment 2271272


Blue circles showing where the gearboxes go, Tamiya gives you some aluminum tape to cover up those slots externally
following your build progress....so exciting...
Old 01-11-2022, 04:36 PM
  #120  
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Part of the Tamiya Centurion blueprint



Old 01-13-2022, 11:40 AM
  #121  
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Pre-Order is up on AAF https://shop.aaftankmuseum.com/Produ...045%2DPREORDER
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Old 01-13-2022, 12:11 PM
  #122  
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Just tried to pre order there seems to be an issue with processing of Credit Cards at the moment I tried to call them but no answer. I have emailed them letting them know they need to check it.

Greg
Old 01-13-2022, 01:20 PM
  #123  
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Old 01-13-2022, 01:43 PM
  #124  
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Originally Posted by Gfrey
Just tried to pre order there seems to be an issue with processing of Credit Cards at the moment I tried to call them but no answer. I have emailed them letting them know they need to check it.

Greg

Odd worked fine for me, I doubt they had enough people hitting the site to break something.
Old 01-13-2022, 01:57 PM
  #125  
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My pre-order went through also.

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