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Lycoming o 360 j2a

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Old 1st Sep 2013, 09:08
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Lycoming o 360 j2a

Hello
Does any body know the meaning of the suffix for the lycoming o 360 j2a mounted on the r22 beta II?
I know that O stands for carburated engine with horizontally opposed cylinders and 360 is the cubic displacement of the cyclinder in cubic inches.

Many thanks

Baobab72
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Old 1st Sep 2013, 11:25
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145 hp (108 kW) at 2700 rpm, Minimum fuel grade 91/96 avgas, compression ratio 8.50:1. Same as the C1C except has O-320-B2C prop flange bushings, lightweight cylinders and lower power rating for helicopter use, used in the R22
According to Wykp
http://11hc.44rf.com/manuals/engine-...ec_2-specs.pdf

Last edited by 500e; 1st Sep 2013 at 11:26.
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Old 1st Sep 2013, 14:52
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Lycoming

Many thanks 500, although in the limitation sections says that the approved fuel grade is 100/130. I had surfed the web prior to posting the question but i could nt find any legen for the specific combination of symbols corresponding J 2 A.
Any idea what each letter correspond to?

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