tet,
Can the drive belt standards keep up with the design?
An idler would have been a better solution but where would you put it? (300's don't spit belts)
There are any number of reasons.......................
Probably about the only time the pulleys are in line are when the engineer checked them and was conscientious enough to make sure they were OK.
Thereafter it's probably a bit of a lottery!
Buy yourself one of these
http://www.gates.com/brochure.cfm?br...cation_id=3539 and maybe one of these
http://www.gates.com/brochure.cfm?br...cation_id=3538 for a bit of field analysis.
