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Best Sounding Warbird engine


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#11 Stony

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Posted 25 January 2017 - 05:46 AM

If you have ever heard the heavily modified Griffon powered contra-rotating prop P-51 mustang Precious Metal, it is the best sound I have ever heard, even better than the Tigercat in some ways.


That P-51 is modified with a Shackleton Griffon. So Imagine 4 Precious Metal's and you have a Shackleton! They were called Growlers by their crews!
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#12 Kutscha

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Posted 25 January 2017 - 06:21 PM

One of the loudest piston engines has to be the Wright R-1820 in the Grumman Tracker.



#13 Heräkulman Ruhtinas

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Posted 25 January 2017 - 10:27 PM

Ofcourse "other". DB605 is not even in list... 


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#14 F7Ftigercatlover

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Posted 26 January 2017 - 04:08 AM

That P-51 is modified with a Shackleton Griffon. So Imagine 4 Precious Metal's and you have a Shackleton! They were called Growlers by their crews!

Wow I did not know the Shackleton used the same kind of Griffons, that must be an incredible sound! I don't know much about the Shackleton so this is new to me.



#15 GregP

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Posted 27 January 2017 - 03:45 AM

Here's what you get when you put a Shackleton gearbox on an otherwise-standard Griffon:

 

pr19-s.jpg

 

But it causes other issues. The gearbox is NOT cleared for the same g-level as the airframe.

 

And this is after going back to standard PR Mk. XIX configuration:

 

maxresdefault.jpg

 

There was a good reason for going back to stock configuration!



#16 Stony

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Posted 27 January 2017 - 05:32 AM

Here's what you get when you put a Shackleton gearbox on an otherwise-standard Griffon:

pr19-s.jpg

But it causes other issues. The gearbox is NOT cleared for the same g-level as the airframe.

And this is after going back to standard PR Mk. XIX configuration:

maxresdefault.jpg

There was a good reason for going back to stock configuration!


To my knowledge this Spitfire had a Shackleton Griffon installed Due to a lack of suitable ones at the time. When a suitable engine was available this was exchaged...

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#17 GregP

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Posted 27 January 2017 - 07:17 AM

That is possible.

 

If so, it wasn't a very good choice for a fighter. The contra-prop won't handle the g-load, but CAN fly the plane around in a bomber-type fashion.



#18 flying kiwi

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Posted 27 January 2017 - 11:46 AM

The prop or the gearbox? The Seafire 47 didn't seem to have problems.



#19 Stony

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Posted 27 January 2017 - 01:37 PM

It probably has something to do with airframe strenght and the developed torque

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#20 Kutscha

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Posted 27 January 2017 - 02:42 PM

The Griffon in the Shackleton was a Mk 57 produced 1960hp, 2345hp with WM injection for take off.

 

Some test Spitfire XIVs, 21s, and 24s were fitted with contra-rotating propellers, which eliminated the torque effect. Early problems with the complex gearbox that was required for contra-rotating propellers prevented them from ever becoming operational in Spitfires,[23] but they were used on later aircraft, including the Seafire FR. Mk 46 and F and FR.47, which were fitted with Griffon 87s driving contra-rotating propellers as standard equipment.[24] The Griffon 57 and 57A series, installed in Universal Power Plant (UPP) installations and driving contra-rotating propellers, was used in the Avro Shackleton maritime patrol aircraft.

 

  • Griffon 130

2,420 hp (1,805 kW) at 5,000 ft (1,524 m) in L.S gear, 2,250 hp (1,678 kW) at 14,500 ft (4,419 m) M.S and 2,050 hp (1,529 kW) at 21,000 ft (6,400 m) F.S; reduction gear ratio 4.44; modified to drive contra-rotating propellers; Rolls-Royce fuel injection system.






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