Next message: Dan Stone: "Re: T&T: American Diesel"
writes:
>Scott, out of curiosity, why did you pick a ratio that did not produce
>the peak RPM for the alternator armature at max useable engine RPM?
No particular reason; the ratio used gets me pretty close though, and makes
it easier to set up my tach.
>
>Scot wrote:
>One last note, with such large alternators you need to worry about side
>loading on the drive shaft. I solved this by driving both alternators
>off a single pulley but with the belts running about 180 degrees from
>each other.
>
>REPLY
>Excellent design. I wonder why more engine/boat builders don't provide
>such a detail?
I don't know. But it's pretty easy to do. One problem is that in many cases
the drive is from the crankshaft, which is down low, and so it's hard to
mount the alternators down low. In my case the aux drive of the 6-110 is
about waist-high.
Scott Welch
FirstClass Product Manager
www.firstclass.com
"The person who makes no mistakes usually doesn't make anything"
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