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84 years ago - Merlin Roared

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Old 03-05-2020 | 09:20 AM
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Default 84 years ago - Merlin Roared

Some Merlin magic with Spitfires on the Spitfire's birthday: 5th March 1936.

Dedicated to Mr Merlin on this site, who has unknowingly helped me and countless others with his vast experience and generous, good-natured wisdom.

You've probably already seen this one, but it is an awesome machine and a worthy moniker.

Thanks, MrMerlin and all the other contributors on Rennlist who make this a great place to visit, more than you realize.




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Old 03-05-2020 | 09:30 AM
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Indeed! Thank you Stan!
Old 03-05-2020 | 09:32 AM
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Thanks Stan!
Old 03-05-2020 | 09:36 AM
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Also, it was the switch from the original Allison to the Rolls-Royce Merlin engine which transformed the P51 into the plane that we all know and love, and helped secure the skies over Europe during WW 2.
Old 03-05-2020 | 10:13 AM
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That is very cool indeed. Good to know something important happened on your b'day. I am going to go fly aces high now!
Old 03-05-2020 | 10:14 AM
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Originally Posted by SwayBar
Also, it was the switch from the original Allison to the Rolls-Royce Merlin engine which transformed the P51 into the plane that we all know and love, and helped secure the skies over Europe during WW 2.
Allison made lawn mower motors- Rolls Royce made aircraft engines- the bit on the back was the real difference- the supercharger. I understand the Allison engine was a perfectly good engine, simpler than the Merlin but had a lousy supercharger by comparison.




Old 03-05-2020 | 06:45 PM
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Well thanks if you want to get some goosebumps for the next 2 mins watch this.
Yes headphones and loud will make things better

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Old 03-05-2020 | 07:03 PM
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Originally Posted by FredR
Allison made lawn mower motors- Rolls Royce made aircraft engines- the bit on the back was the real difference- the supercharger. I understand the Allison engine was a perfectly good engine, simpler than the Merlin but had a lousy supercharger by comparison.




Them's fightin' words, good sir...
Old 03-06-2020 | 02:29 AM
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Originally Posted by skpyle
Them's fightin' words, good sir...
Indeed they are!

The words "Merlin" and "Spitfire" are very emotive in British folklore and whereas I abhore violence and warfare, I very much admire military engineering for what it is not what it does. Make no mistake, the German military engineering was also absolutely superb. When you look at the detailing of their kit the finish was something to behold especially BMW aero engines. The German Luftwaffe had a distinct advantage in that their ME-109's were kitted with fuel injection that meant they could do a negative G pushover, try that in a Spitfire and the fuel cuts out immediately thus why they quickly worked out they had to do an inverted dive in combat.. Interestingly Rolls Royce quite deliberately did not develop the Merlin with fuel injection on the basis that they figured it would cost in terms of developed power- they figured that a supercharged motor worked better with carbs, how they concluded that I have no idea- maybe design limitations of the time. The wing design made the Spitfire the machine it was- ironically German engineers had such a design but did not use it on their fighters- plenty of heated historical debate as to the roots of the Spitfire's design! Ironically the biggest problem they had building them during WW2 was keeping up the supply chain for the Browning machine guns!

The picture of the sectioned Merlin I took [with Stan in mind], I simply forgot to post it until seeing your thread- this sectionalised engine is located in the Imperial War Museum in South London and permits one to see deep into the motor- a true work of art. The Air Force Museum in Hendon, North London is the place to visit if one wants to see WW2 aircraft- that and Duxford just outside Cambridge. Hearing these things on a video is one thing, but seeing them in action is something else. Seeing a Lancaster taking off with its 4 Merlins in harmony is something, but trying to imagine what 500 or more of the things flying overhead must have been like is something else.

The first flight of the Spitfire actually took place at Eastleigh aerodrome in Hampshire, just down the road from where I used to live [long after the Supermarine main factory closed]. I have seen English Electric Lightnings, F-15's, Vulcans, etc etc flying and superb machines that they are, nothing quite gives me the goosebumps like the Merlin engines.
Old 03-06-2020 | 07:14 AM
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Try this for a low pass. Might not be mixed company safe.
jp 83 Euro S AT 57k
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Old 03-06-2020 | 07:25 AM
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Brilliant, Top Gun stuff there!
Old 03-06-2020 | 12:20 PM
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Originally Posted by FredR
Indeed they are!

The words "Merlin" and "Spitfire" are very emotive in British folklore and whereas I abhore violence and warfare, I very much admire military engineering for what it is not what it does. Make no mistake, the German military engineering was also absolutely superb. When you look at the detailing of their kit the finish was something to behold especially BMW aero engines. The German Luftwaffe had a distinct advantage in that their ME-109's were kitted with fuel injection that meant they could do a negative G pushover, try that in a Spitfire and the fuel cuts out immediately thus why they quickly worked out they had to do an inverted dive in combat.. Interestingly Rolls Royce quite deliberately did not develop the Merlin with fuel injection on the basis that they figured it would cost in terms of developed power- they figured that a supercharged motor worked better with carbs, how they concluded that I have no idea- maybe design limitations of the time. The wing design made the Spitfire the machine it was- ironically German engineers had such a design but did not use it on their fighters- plenty of heated historical debate as to the roots of the Spitfire's design! Ironically the biggest problem they had building them during WW2 was keeping up the supply chain for the Browning machine guns!

The picture of the sectioned Merlin I took [with Stan in mind], I simply forgot to post it until seeing your thread- this sectionalised engine is located in the Imperial War Museum in South London and permits one to see deep into the motor- a true work of art. The Air Force Museum in Hendon, North London is the place to visit if one wants to see WW2 aircraft- that and Duxford just outside Cambridge. Hearing these things on a video is one thing, but seeing them in action is something else. Seeing a Lancaster taking off with its 4 Merlins in harmony is something, but trying to imagine what 500 or more of the things flying overhead must have been like is something else.

The first flight of the Spitfire actually took place at Eastleigh aerodrome in Hampshire, just down the road from where I used to live [long after the Supermarine main factory closed]. I have seen English Electric Lightnings, F-15's, Vulcans, etc etc flying and superb machines that they are, nothing quite gives me the goosebumps like the Merlin engines.


Well said, FredR! I will not derail this thread by rambling on about my own passions of WWII era aircraft, but I agree with you in most. My point was that the Allison V-1710 was a superb engine that lacked a good on board super charger.
I will say this, I have been thrown out of the USAF Museum more times than most people will ever go.
Cheers!
Old 03-06-2020 | 01:04 PM
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Originally Posted by Mrmerlin
Well thanks if you want to get some goosebumps for the next 2 mins watch this.
Yes headphones and loud will make things better

https://youtu.be/Gsh8ZJ0kKUE
Filmed at Duxford [near Cambridge, UK].
Old 03-06-2020 | 06:43 PM
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Edit: my mistake. Was thinking of the P-40....
Old 03-06-2020 | 07:23 PM
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Stan the Man!
Thanks for all that you do


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