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Originally Posted by Andy Brockway
As always, a very nice design. I was hoping you might change your mind about sharing the fisher adapter design but I completely understand.
How much of the gearbox will you be sharing? Is the shifter the same internal rod with hex shaft? Gear types and ratios?
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The FP adapter design worked out well for us, until we got to IRI. The needle bearing on the output shaft found it's breaking point. This is a planetary assembly that we want to sell in the future, but it needs some improvements before that is done.
I do plan on putting together a descriptive paper on this, just not all of the print details. We used the same internal hex shaft shifter. Here are the ratios used:
CIM motor: 18 tooth, 32 dp
Intermediate shaft: 64 tooth, 32 dp (mates w/ CIM gears), 1/4 face
Low gear: 15 tooth, 20 dp, 14.5 p.a. 3/8 face
High gear: 28 tooth, 20 dp, 14.5 p.a. 3/8 face
Shifter/output shaft:
Low gear: 48 tooth, 20 dp, 14.5 p.a. 3/8 face
High gear: 35 tooth, 20 dp, 14.5 p.a. 3/8 face
12 tooth, size 35 sprocket (qty.2)
Andy B.