The Murphy Builders Site

Not knowing much about engine mounts I thought I would post this for some
responses. Some Lycoming engines such as 0-320B1A use a conical and others
use a dynafocal ? mount. When building our Rebels is one preferred over the
other or does it not make a difference. The mounting attach points on the
firewall would be in the same place regardless.

That being said, does anyone have experience with the B1A version... good
bad other.

Roland
R56








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As Si stated the the mounts are different, the 0-320B1A requires a Type
2 moter mount, which is 18* where as most dynafocal engines have
a 30* mount face. Chances are that if you go with a B1A you would
have to weld up your own mount. I intend to use a B1A because they are
160 HP and will burn 91 octane. Prewelded 18* dynafocal rings are available
through ACS, or Wicks.

Keith P 318R



On 6/29/2010 5:38 PM, kriening@rogers.com wrote to rebel-builders:

-> Not knowing much about engine mounts I thought I would post this for
some
-> responses. Some Lycoming engines such as 0-320B1A use a conical and
others
-> use a dynafocal ? mount. When building our Rebels is one preferred over
the
-> other or does it not make a difference. The mounting attach points on the
-> firewall would be in the same place regardless.
->
-> That being said, does anyone have experience with the B1A version... good
-> bad other.
->
-> Roland
-> R56
->
->
->
->
->




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