Simviation Forum - Last one, engine types

Nov 4^th, 2005 at 3:50pm

Jakemaster Ex Member

Okay, last one. Which engine type do you like! My favorite is the radial (see sig for proof)

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Reply #1 - Nov 4^th, 2005 at 4:15pm

Felix/FFDS Offline
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Whatever type is on the airplane I'm in.....

Felix/FFDS

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Reply #2 - Nov 4^th, 2005 at 4:22pm

Heretic Ex Member

Nothing better than a sexy six-blade prop attached to a turboprop engine.

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Reply #3 - Nov 4^th, 2005 at 4:29pm

Ivan Offline
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13 blades on a coaxial twin axle turboprop

Russian planes: IL-76 (all standard length ones), Tu-154 and Il-62, Tu-134 and An-24RV&&&&AI flightplans and repaints can be found here

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Reply #4 - Nov 4^th, 2005 at 5:59pm

C Offline
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5 blades on a Bristol Centaurus for me...

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Reply #5 - Nov 5^th, 2005 at 5:42am

Tweek Ex Member

Turbofan! Can't beat a bit (or a lot) of noise

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Reply #6 - Nov 6^th, 2005 at 2:18pm

Sytse Offline
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Rocket! But I'm not sure if you can call that an engine type. 'Propulsion system' would fit better here me thinks...

&&Virtual Red Arrows homepage

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Reply #7 - Nov 6^th, 2005 at 3:38pm

Mobius Offline
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Good old low-bypass turbofans with afterburner. Pratt & Whitney F119-PW-100, the engines on the F/A-22. Grin

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Reply #8 - Nov 7^th, 2005 at 1:25pm

Hagar Offline
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Well someone has to plump for the good old rotary engine. I've seen quite a few in action & they make a very satisfying noise. Fascinating & I still can't believe that they actually work. Wink

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Reply #9 - Nov 7^th, 2005 at 1:29pm

Tweek Ex Member

Could someone give examples of aircraft with each of these engines? I'm sure a few people (me included) aren't sure of what a few of them are used on...

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Reply #10 - Nov 7^th, 2005 at 1:48pm

Felix/FFDS Offline
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Quote:

Could someone give examples of aircraft with each of these engines? I'm sure a few people (me included) aren't sure of what a few of them are used on...

Rotary engines were used by many WW1 types, i.e. Sopwith Snipe, Strutter, Camel, Pup ... Fokker E-1 through D-6, Dr.1, D-8 .... Nieuports (through the N.28), etc.

Felix/FFDS

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Reply #11 - Nov 7^th, 2005 at 2:31pm

C Offline
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Go to Old Warden in Bedfordshire and see rotaries in action in the Sopwith Pup, Sopwith Triplane and Bristol M1C...

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Reply #12 - Nov 7^th, 2005 at 3:31pm

Hagar Offline
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Quote:

Go to Old Warden in Bedfordshire and see rotaries in action in the Sopwith Pup, Sopwith Triplane and Bristol M1C...

Not forgetting the Avro 504K & a few more besides. Here's the 80 hp 9-cylinder Le Rhone rotary in the Sopwith Pup. On rotary engines the crankshaft is fixed to the aircraft & the whole crankcase & cylinders spin round with the prop.

The 18-cylinder Bristol Centaurus supercharged sleeve-valved radial of about 2,500 hp as fitted to the Hawker Sea Fury. The cylinders are arranged in two rows of 9.

Bad shot of the 2,400 hp 24-cylinder Napier Sabre used in the Hawker Typhoon & Tempest. This is a liquid-cooled inline sleeve-valved engine with the 4 rows of 6 cylinders arranged in an H section. Rather like two big Lycoming or Continental horizontally opposed engines fitted one on top of the other.

Last but not least the Rolls-Royce Merlin*, probably the most famous piston engine of all time. 12-cylinder Vee liquid-cooled inline with supercharger at the rear end. I'm not sure which mark this is but Ozzy will probably know. Could be anything between 1,000 & 2,030 hp.

Any excuse to post some photos. Wink

*PS. I hope it's a Merlin & not a Griffon. I'm no engine man. Roll Eyes

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Reply #13 - Nov 7^th, 2005 at 10:35pm

Mobius Offline
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A few more....

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Reply #14 - Nov 7^th, 2005 at 11:24pm

Felix/FFDS Offline
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Quote:

A few more....

Notice that once you get into the turbines - turbojet, turbofan, propjet, the main difference is the "main" propulsion.

In a pure turbojet, all the thrust is obtained by the hot gases being expelled.

In a turbofan, a large part of the thrust is obtained by the action of the fan. This will generally be the first row of rotating blades. The high-bypass ratio turbofans have the largest fans. A benefit is that the high volume of air helps cool the rest of the hardware as it's forced along the nacelle.

Turboprops get practically all the thrust from the propellors.

Then you get into prop-fans ... which can be considered a turbofan with an unshrouded fan.

Felix/FFDS

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Reply #15 - Nov 8^th, 2005 at 3:41am