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Everyone should build an engine, right?

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SPiN Racing:
The pics in there are like a Where's Waldo at first!  I was looking at things going.. hmmmmm neat.. wonder what these are..... then I saw some tiny little man next to one of the parts and had to go back and look closer at them!!!

I have never in my life even concieved of an engine as large as those.

I have been on ships.. WWII ships and things.. but none of them had engines I percieved to be that big.  I coulda been a dumb kid and not grasped it... But man oh man that is a BIG engine.. and crank.

The tooling... is astoundingly large...

bogstandard:
Spin,

This is the largest one, at this time.

http://people.bath.ac.uk/ccsshb/12cyl/

A little large to fit in your Mazda.


John

SPiN Racing:
5 MILLION FtLBs of torque....  Thats just crazy!!!!  :lol:



Although looking at the engine it appears to have been well thought out. Exceeding 50 percent BSFC is pretty damn good.


Amazingly huge engine. I am going to have to make a side trip to a big port one of these days when Im in the vicinity of one. Port of Tampa I dont think is big enough... Miami, or Cape Canaveral possibly. Jacksonville possibly.

DavesWimshurst:
Perhaps a smaller engine,
This is the thimble engine designed by J Senft.  I couldn't find a suitable thimble so spun one in copper.  The bore and stroke are each 1/16 inch.  The piston is brass as I had trouble drilling a 0.020 inch hole for the crank pin in the specified stainless steel.



The vibration causes it to turn on it's stand, otherwise it's hard to see that it's running.
Dave

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