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  #1  
Old 03-02-23, 13:21
Ian Howes Ian Howes is offline
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Default Triple Polstens on a towed mount

Hello All.

Can anyone help with more info on this towed mount for the triple Polsten AA gun.

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  #2  
Old 12-02-23, 19:21
Neil Ashley Neil Ashley is offline
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http://www.mapleleafup.net/forums/showthread.php?t=6473
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  #3  
Old 12-02-23, 20:27
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Hanno Spoelstra Hanno Spoelstra is offline
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Here's a triple Polsten on a Crusader chassis - read more here https://flic.kr/p/29Fj8ap

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  #4  
Old 12-02-23, 20:32
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Hanno Spoelstra Hanno Spoelstra is offline
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Default 'E' Troop, 321st Battery, 93rd Light Anti-Aircraft Regiment Royal Artillery

And a famous, original colour photo taken in the JUNO Area, NAN WHITE Beach at Bernières-sur-Mer - read more here: https://flic.kr/p/28LCSjA

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  #5  
Old 12-02-23, 22:58
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Hanno Spoelstra Hanno Spoelstra is offline
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Default Triple 20mm anti-aircraft mounting on the banks of the Rhine, 25 March 1945.

Looks like this one was truck-mounted:

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  #6  
Old 12-02-23, 23:04
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Hanno Spoelstra Hanno Spoelstra is offline
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I think this is another truck mounted one: "A British triple 20mm anti-aircraft gun position guards the Bailey Bridge at Arnhem, 18 April 1945."
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Source: https://www.iwm.org.uk/collections/i...ject/205207121


Your second photo of one on a towed mount: "Mobile triple 20mm Oerlikon gun during an anti-aircraft artillery demonstration at Sheerness, 2 July 1943."
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And another tank chassis mounted one: "Crusader AA tank mounting a triple Oerlikon gun in a hull-down position, 19 July 1944."

Note that these guns are often erroneously called Oerlikons - why would that be?
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  #7  
Old 12-02-23, 23:14
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Hanno Spoelstra Hanno Spoelstra is offline
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One more on a CMP truck mount, The Netherlands 1944 (I think this is the bridge at Nijmegen):

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  #8  
Old 13-02-23, 00:27
Chris Suslowicz Chris Suslowicz is offline
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Quote:
Originally Posted by Hanno Spoelstra View Post
Note that these guns are often erroneously called Oerlikons - why would that be?
Probably because they used the 20mm Oerlikon round? (It was a simplified and much cheaper development of the 20mm Oerlikon - I think there were problems with the springs used in the Oerlikon, which needed a particularly high grade of steel, and that caused production bottlnecks.)

The Wikipedia article has the parts count reduced from 250 to 119 and a cost reduction from £350 to somewhere between £60 and £70 without sacrificing effectiveness or reliability.

Chris.
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