Re: Geared turbofans

Date:         24 Mar 98 11:38:35 
Organization: Deja News - The Leader in Internet Discussion
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  or MIME structure (Gregory Travis) wrote:
> Lycoming developed a geared turbofan, the ALF (Advanced Lycoming Fan)-502
> back in the late 1970s.  I don't think they were the only manufacturer
> to do so.
> The ALF-502 went into the Avro/BAe-114 (hope I have the model right - the
> high winged four-engined short haul commuter).  The early history, at
> least, was not rosy with some wags suggesting that BAE really stood
> for "Bring Another Engine."

The aircraft you're referring to is the BAe 146. The Avro RJ series is a
development of this, with LF-507 engines. And yes, the ALF-502s do have a
reputation for being troublesome, which seem to have been ironed out now.

For more details on the BAe 146 and Avro RJ, see

Stefano Pagiola
All opinions are my own.
850 N Randolph Str No.817, Arlington VA 22203, USA