The Halifax Bomber of WW2 - BRISTOL HERCULES ENGINE

The Halifax was the second of the four-engined heavy bombers to enter service with the Royal Air Force. The huge Stirling was already flying operations but the prototype Lancaster had yet to fly in November 1940 when #35 squadron began operations with what became affectionately known as the “Halibag.”
As the war progressed, the Halifax became overshadowed by the Lancaster which appeared capable of carrying ever-increasing bomb loads without serious degradation of its performance and handling capabilities. The Halifax, however, operated successfully in Bomber Command operations until the end of the war and was clearly superior to the Lancaster in its multi-role capability .
The Halifax first flew in October, 1939 and entered operations thirteen months later. It quickly became apparent that the aircraft’s defensive armament was inadequate for daylight use and by the end of 1941 Halifaxes were used only by night in the bombing role. A significant design modification was made after some inexplicable losses of fully loaded aircraft had shown that it was possible for the Halifax to enter an inverted and uncontrollable spin. This problem was solved by replacing the triangular fins by larger units of rectangular shape. Despite this problem, the Halifax was a sturdy and reliable aircraft and was generally well liked by its crews, very few of whom expressed any desire to swap their aircraft for the “superior” Lancaster.
The Bristol Hercules is a 14-cylinder two-row radial aircraft engine designed by Sir Roy Fedden and produced by the Bristol Engine Company starting in 1939. It was the most numerous of their single sleeve valve (Burt-McCollum, or Argyll, type) designs, powering many aircraft in the mid-World War II timeframe.
The Hercules powered a number of aircraft types, including Bristol's own Beaufighter heavy fighter design, although it was more commonly used on bombers. The Hercules also saw use in civilian designs, culminating in the 735 and 737 engines for such as the Handley Page Hastings C1 and C3 and Bristol Freighter. The design was also licensed for production in France by SNECMA.
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[@_Matsimus_]

What's your favorite WW2 bomber? Halifax or Lancaster? Or something else? I would love to hear your own thoughts!

[@were-owlinwisconsin4441]

My favorite is a tie between the B-26 Marauder and the B-25 Mitchell. Got a lot of fond memories of playing with models of both of them when I was a kid. My beat-up old Marauder model was missing the landing gear, so I thought that was where the bombs were dropped from.

[@Draugh39]

The Mosquito.

[@limescaleonetwo3131]

I have to say B-17 because I'm an American and the Flying Fortress is THE iconic US bomber of WWII. But honestly my favorites are the US B-24 Liberator and the British Lancaster

[@brealistic3542]

Absolutely spot on. The Germans managed to make a very effective night fighting force.

[@Nobodyhells_YT]

Halifax from the British (was my 1st WW2 bomber scale model), B-25 from the USAAF (I'd like to build one sometime, maybe the B-25G) and Do 217 K from Germany (my 1st WW2 German scale model).

[@Kilo_1-1]

My grampy was a bomb aimer for the halifax mk3 bomber during ww2, he flew out of 153 squadron South Yorkshire and unfortunately on his last sorty was shot down over worms Germany in 1945, he was a pow for a few months until the end of the war but did survive. He was the best and bravest man I've ever known, he sadly passed away about 15 years ago but not a day goes by that I don't think about him. So halifax will always be my favourite.

[@xno_elysiumx3744]

I had a Halifax Bomber as 1:72 Modell when I was a kid. It was one of my favorite airplane and I was a bit disappointed that it was so rarely known and mentioned in documentaries, literature and pop culture. Nice to see that it is mentioned here.

[@andrewmacgregor8717]

Im surprised you didn't take a spin over to CFB Trenton and comment on the Halifax they have restored and on display. It's very much worth your time.

[@limescaleonetwo3131]

British war machines are so iconic

[@tedcopple101]

Where I live in rural North Yorkshire there was dozens of RCAF airfields around me. Wombleton is probably the best preserved but they were every 20 miles or so. Very brave men (and women).

[@chrisloomis1489]

The Radial Engines are so impressive for their rumble and I can imagine hearing say a flight of 100 aircraft coming through the sky from a distance ...on the ground that would be terrifying knowing what is coming , the Rolls Royce merlin is almost like a whisper and smooth by comparison , but in all fairness that Merlin engine , was cowled in an airframe ... none the less , these are impressive aircraft and living pieces of History. MCGA Make Canada Great Again !! 💪🏻 🇨🇦

[@Thebonesoftrees]

What a treat! Thank you Matsimus.

[@peterfarrell520]

best mates dad did 2 tours flying them nos 462 and 466 squadrons for australia. flying out of driffield. loved the halifax. got a dfc in one.

[@treadheadpete4770]

Bomber command losses were huge during WWII, the courage it took to climb into any bomber during the war is amazing!

[@cookudysu90]

The US 8th Air forces losses were terrible too!

[@treadheadpete4770]

@@cookudysu90 Yes they were, flying missions into Germany was a dangerous proposition!

[@commandingjudgedredd1841]

Just thinking. As well as the flak, imagine also your bomber being targeted and attacked by a night fighter armed with its cannons and machine guns, raking that narrow metal fuselage, with no warning. It's a terrifying thought.

[@russellwaterson3304]

Many years ago I went to an air show in Cunderdin an West Australia. I met a bloke called Tom Scotland who was selling his autobiography "Voice from the Stars", he flew 60 missions in Halifaxs and Liberators as a pathfinder out of Italy in 1944 -45. Good book, he gave me a signed copy and a CD with photos.

[@bodan1196]

Seeing a cut away as it is rotating, seeing the sleeve valves moving, is mesmerizing.

[@Jasper0o0]

Thanks for this video. I knew of the Halifax, but didn’t know too many details. My grandfather helped to build Lancasters in Ottawa.

[@samyfay7786]

Notice the oil projection on the ground after the start up. Keep in mind that most of WWII aircrafts had oil tanks worth dozens of gallons, and, had to be replenished at every sorties.

[@robertsmith4681]

I've been a ww2 aviation nerd most of my life and this is the first time I hear details of an (allied) engine other than a Merlin variant, very cool.

[@strizhi6717]

You almost got me with the first clip 😂 I was about to scream that's an Avro Lancaster

[@chriswerkes8313]

Great video of one of WW2's workhorses and unsung hero. Interesting that both the Lancaster and Halifax did not carry belly defensive armaments and relied solely on the tail gunner.

[@tokencivilian8507]

Now that there was cool. Nothing quite like some thumping, 100 octane leaded gas engine music to my ears.

[@robbielloyd5767]

Halifax doesn’t get the same attention as the Lancaster but it actually had a better chance of survival especially later versions

[@paintnamer6403]

The Handley Page Hampten. The weird little bomber

[@brucebartup6161]

The thing I most notice about engines of the era : vibration. The Napier Sabre was the worst so I'm told. 24 cylinders compared to the Merlins12 Noe you'd think that with 24 cylinders some of the vibration would be kinda smoothed out But apparently not. Even with full rubber mountings it was still a monster. How on earth could you ever keep such a bag of nuts and bolts tight. The maintenance manuals must have been works of pure fiction. 100hr checks sure ,. But I'm guessing that sometimes without rhyme or reason in the 101st hour it would suddenly shed a top hatful of components and stop dead - seized solid, Never to run again just a guess thd Napier powered th+e Typhoon fighter - bomber

[@HaloFTW55]

Pte Bloggins was here I forgot to do this for the last few weeks

[@saxon1376]

That is something else 👍👍👍👍👍

[@JD-ir8cb]

You should check out the book A Canadian military history by Desmond Morton.

[@TerryTurner]

😎👍

[@KrisT0f.]

why its spinning so slow

[@xno_elysiumx3744]

I think it is because of the videos frame rate, which makes it look like if it was low. The props are spinning with more than 60 rotations per second and we just see 60 frames a second, which causes an optical illusion. Later in the video the props appear spinning strangely which is definitely a sign that it’s the frame rate which makes it look this way.

[@Propaneo-insaneo]

Hi

[@robertpatrick3350]

The Bristol aero engines were amazing. Their engineering prowess lead the most outstanding engines of the war…. The Centaurus and Sabre, who efficiency eclipsed all others. No one else mastered sleeve valves and whilst there are examples of poppet valves engines with similar nrs that’s only achieved with far more boost, methanol, water injection. The Bristol group were rare in that they could build and power their own aircraft and legacy that included the engines for Concorde and Harrier jets.

[@hardyanpajero69]

👍😎🍺🍩🪖🛩️🛩️