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  #1  
Old 05-10-2010, 10:55 PM
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42 CYLINDER RADIAL- ZVEZDA M503- Missle Boat Engine

I had to post this.
Those Packard V-12's in the PT boats are "Girlie" engines compared to this thing.

The Zvezda M503 was a maritime 6 row, 42 cylinder diesel radial engine built in the 1970s by the Soviet Union. Its primary use was in Soviet missile boats, which used THREE of these engines. This engine may have had other applications, but due to its extreme weight (12,000+ lb), it would have been limited to ground or naval applications.

* Type: 42-cylinder Liquid cooled 6 row, 7 cylinder per row diesel radial engine
* Bore: 6.29 in
* Stroke: 6.69 in
* Displacement: 8,763 in³ (143.6 L)
* Length: 145.66 in
* Diameter: 61.41 in
* Dry weight: 12,015 lb (5,450 kg) (dry)

Components

* Valvetrain: 7 overhead cam shafts, one per bank.
* Fuel type: Diesel fuel
* Cooling system: Liquid-cooled

Performance

* Power output: 3,942 hp at 2,200 rpm
* Specific power: 0.44 hp/in³
* Power-to-weight ratio: 0.32 hp/lb.
*********************************************
Used in the pulling tractor, "Dragonfire", NOT running diesel.
Check out the supercharger inlet on the front.

http://www.youtube.com/watch?v=8oWGhgkd2Ss
http://www.youtube.com/watch?v=GxA-QyHCqLc
***********************************************
Note: These can be purchased NOW through brokers in Europe. In Germany, http://www.tradekey.com/buyoffer_view/id/1048685.htm. Step right up!
Attached Images
File Type: jpg Zvezda_M503_l.jpg (139.4 KB, 194 views)
File Type: jpg Osa-I_class Missle Boat.jpg (23.9 KB, 189 views)
File Type: jpg Dragonfire.jpg (180.3 KB, 194 views)
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SPASSO...... "Oh yes, that is one of the very best ways to break these and it is also pretty dangerous. You really shouldn't do that". - mk e.

Last edited by Spasso; 05-10-2010 at 11:12 PM.
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  #2  
Old 05-10-2010, 11:25 PM
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Now we're talkin! That's some engine, I'd like to hear it running!
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  #3  
Old 05-10-2010, 11:36 PM
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Quote:
Originally Posted by pastmaster View Post
Now we're talkin! That's some engine, I'd like to hear it running!
Click on the You Tube links in the original post above and turn up the volume.

Do a search on You Tube for "Dragonfire" for more videos, there are a bunch, mostly in Germany.
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SPASSO...... "Oh yes, that is one of the very best ways to break these and it is also pretty dangerous. You really shouldn't do that". - mk e.
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  #4  
Old 05-11-2010, 12:31 AM
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This makes more hp and weighs 1/3 of the Russian junk.

http://en.wikipedia.org/wiki/Pratt_&_Whitney_R-4360
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File Type: jpg Pratt_%26_Whitney_R-4360_Wasp_Major_1.jpg (65.9 KB, 175 views)

Last edited by TURBOQV; 05-11-2010 at 12:47 AM.
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  #5  
Old 05-11-2010, 08:31 AM
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Almost half the weight and a 1000HP more.

http://en.wikipedia.org/wiki/Lycoming_R-7755

Just a shame the US stopped development of this engine.
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  #6  
Old 05-11-2010, 03:59 PM
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Quote:
Originally Posted by TURBOQV View Post
This makes more hp and weighs 1/3 of the Russian junk.

http://en.wikipedia.org/wiki/Pratt_&_Whitney_R-4360
...and twice the maintenance and down time, a nightmare, .............................. plus it makes a lousy boat engine.
(This was mostly for Sparky's benefit relating to the PT Boat thread and yes I know it's Avchat)
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SPASSO...... "Oh yes, that is one of the very best ways to break these and it is also pretty dangerous. You really shouldn't do that". - mk e.

Last edited by Spasso; 05-11-2010 at 04:14 PM.
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  #7  
Old 05-11-2010, 04:48 PM
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My dad always says with enough time and money you can put ANY motor in ANY car but I really have doubts you could make a Yugo rocketship out of something like that lol
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  #8  
Old 05-11-2010, 07:01 PM
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I was not aware Rube Goldberg was a Russian.
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  #9  
Old 05-11-2010, 07:42 PM
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Rube

Quote:
Originally Posted by Rifledriver View Post
I was not aware Rube Goldberg was a Russian.
I wonder how many people actually know who Rube Goldberg is and how he got started. It would be fun to see some of his stuff again. Maybe check with Sparky. He's got that airplane thingy.
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  #10  
Old 05-11-2010, 09:03 PM
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Quote:
Originally Posted by Spasso View Post
Click on the You Tube links in the original post above and turn up the volume.

Do a search on You Tube for "Dragonfire" for more videos, there are a bunch, mostly in Germany.
I think Dragon Fire was converted to gasoline. I see what looks like Mags and spark plug wires all over that thing. Besides every diesel tractor puller or Bonneville vehicle I have ever seen under power puts out black smoke like the Queen Mary getting her boilers lit.
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  #11  
Old 05-11-2010, 09:04 PM
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Quote:
Originally Posted by Bob Parks View Post
I wonder how many people actually know who Rube Goldberg is and how he got started. It would be fun to see some of his stuff again. Maybe check with Sparky. He's got that airplane thingy.
My Father used the name all the time when I was growing up. I looked it up years ago. Some very funny cartoons.
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  #12  
Old 05-12-2010, 12:53 AM
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Quote:
Originally Posted by Rifledriver View Post
I think Dragon Fire was converted to gasoline. I see what looks like Mags and spark plug wires all over that thing. Besides every diesel tractor puller or Bonneville vehicle I have ever seen under power puts out black smoke like the Queen Mary getting her boilers lit.
Yup, I noticed that too.
That guy has a lot of money wrapped up in that thing.
I wonder what kind of HP it makes now on fuel.
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SPASSO...... "Oh yes, that is one of the very best ways to break these and it is also pretty dangerous. You really shouldn't do that". - mk e.
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  #13  
Old 05-12-2010, 01:26 AM
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Rube's Cartoons

Quote:
Originally Posted by Rifledriver View Post
My Father used the name all the time when I was growing up. I looked it up years ago. Some very funny cartoons.
Man! You have to be old! I'll bet you even remember Smokey Stover and the Notary Sojack
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  #14  
Old 05-12-2010, 01:29 AM
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Conversion?

Quote:
Originally Posted by Spasso View Post
Yup, I noticed that too.
That guy has a lot of money wrapped up in that thing.
I wonder what kind of HP it makes now on fuel.
Now this sounds interesting. Replace the injectors with plugs that spark. Now comes the carburetor off an R4360 or something. And then the magnetos driven off of what?
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  #15  
Old 05-12-2010, 12:04 PM
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Quote:
Originally Posted by Bob Parks View Post
Now this sounds interesting. Replace the injectors with plugs that spark. Now comes the carburetor off an R4360 or something. And then the magnetos driven off of what?
Those long boxes on top look to be for cams for valves or possibly cams to operate the injectors. Whatever they are it looks like he is using the end of them to drive the mags.
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  #16  
Old 05-12-2010, 12:15 PM
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Quote:
Originally Posted by Rifledriver View Post
Those long boxes on top look to be for cams for valves or possibly cams to operate the injectors. Whatever they are it looks like he is using the end of them to drive the mags.
Interesting but ugly.
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  #17  
Old 05-12-2010, 04:24 PM
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Quote:
Originally Posted by Bob Parks View Post
Interesting but ugly.
Ugly isn't always bad, look at some Grumman aircraft.
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SPASSO...... "Oh yes, that is one of the very best ways to break these and it is also pretty dangerous. You really shouldn't do that". - mk e.
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  #18  
Old 05-12-2010, 10:27 PM
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Grummugly's

Quote:
Originally Posted by Spasso View Post
Ugly isn't always bad, look at some Grumman aircraft.
Touche'
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