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Q.

I want full information about free piston engine!!!!!!!!!!!!!!!

Asked by vinod kasat, 23 Aug '08 12:01 am
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Answers (2)

1.

An opposed piston engine is one in which the cylinders are double-ended, with a piston at each end and no cylinder head.

Configurations
Junkers Jumo 205 aircraft engine
Junkers Jumo 205 aircraft engine

Some variations of the Opposed Piston or OP designs use a single crankshaft like the Doxford ship engines[1] and the Commer OP truck engines.[2] They should not be confused with flat engines. Though flat engines are sometimes referred to as horizontally opposed, they are very different mechanically.

A more common layout uses 2 crankshafts, with the crankshafts geared together, or even 3 geared crankshafts in the Napier Deltic diesel engines. The Deltic uses three crankshafts serving three banks of double-ended cylinders arranged in an equilateral triangle, with the crankshafts at the corners. These were used in railway locomotives and to power fast patrol boats. Both types are now largely obsolete, although the Royal Navy still maintains some Deltic-powered Hunt Class Mine Cou ...more
Answered by Rabindranath Sahu, 23 Aug '08 12:07 am

 
  
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2.

What is that??
Answered by Jack Johnson, 23 Aug '08 12:02 am

 
  
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