QUOTE: The only place where the two units were even remotely connected was in the blast pipe, and then not always as some locos had double blast pipes, one for each engine unit. I have never been able to find a satifactory explanation for this phenomenom, any Ideas???
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QUOTE: Originally posted by malcolmyoung On articulated locomotives, both simple and compound and including Garretts, both units always seemed to be perfectly syncronised. Should one engine unit go into a slip and get out of sync, it would always get back into sync within a few revolutions of the wheels after the slipping stopped. By syncronised, I mean four even exhaust beats for every revolution of the drivers. Why should this be? There was no mechanical connection between the two engine units. The only place where the two units were even remotely connected was in the blast pipe, and then not always as some locos had double blast pipes, one for each engine unit. I have never been able to find a satifactory explanation for this phenomenom, any Ideas??? Malc.
QUOTE: Originally posted by BigJim Old Timer, If you listen to Bud Swearer's tapes from Blue Ridge you will find that many of the 1200's are in sync.
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