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Picture of WERA49
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Many years ago a friend game me a piston from an old locomotive. It is 9" diameter, 13" long and has a 3.5" diameter wrist pin.

It was a 16 cylinder engine. The stroke was 4 ft. long and the connecting rods were 8 ft. long.

With this section of connecting rod, it weighs 121.5 pounds!




Rob
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Posts: 527 | Location: OH | Registered: March 17, 2004Reply With QuoteReport This Post
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And I thought the spinning Doritos in my 13B were heavy. Eek




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Posts: 9563 | Location: Spring, TX | Registered: July 11, 2011Reply With QuoteReport This Post
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quote:
Originally posted by WERA49:
Many years ago a friend game me a piston from an old locomotive. It is 9" diameter, 13" long and has a 3.5" diameter wrist pin.

It was a 16 cylinder engine. The stroke was 4 ft. long and the connecting rods were 8 ft. long.

With this section of connecting rod, it weighs 121.5 pounds!




I used to service some equipment at the EMD engine plant in LaGrange Il. Everything was really big to say the least. Really neat to see the machining and assembly process.



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Posts: 1121 | Location: Southern Michigan | Registered: May 30, 2009Reply With QuoteReport This Post
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quote:
Originally posted by P250UA5:
And I thought the spinning Doritos in my 13B were heavy. Eek


I had to look this up. From what I found on a quick search, the doritos weigh in from around 9 to 12 lbs. or so.
I did not know this.



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Posts: 3609 | Location: Texas | Registered: April 16, 2012Reply With QuoteReport This Post
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quote:
Originally posted by Patrick-SP2022:
quote:
Originally posted by P250UA5:
And I thought the spinning Doritos in my 13B were heavy. Eek


I had to look this up. From what I found on a quick search, the doritos weigh in from around 9 to 12 lbs. or so.
I did not know this.


I'm pretty confident mine's a 13B S4 (early 2nd generation RX7).
Rotors on those are usually around 12 lbs. I think that RX8 rotors were lighter & higher compression.




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Posts: 9563 | Location: Spring, TX | Registered: July 11, 2011Reply With QuoteReport This Post
Partial dichotomy
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Here's a piston from a 2 stroke slow speed Sulzer I worked on.





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Posts: 35933 | Location: NW Indiana | Registered: November 22, 2002Reply With QuoteReport This Post
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It’s not the size of your piston……..Frown. Big Grin


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It’s the Stroke!
 
Posts: 10766 | Location: NE OHIO | Registered: October 22, 2004Reply With QuoteReport This Post
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