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Hi George,
Hope you don't mind if someone other than Ed gives you an answer. :)
I'm not sure if your taper is 30 mm long and the dia at one end is 3 mm
larger than the other, or if the dia is 6 mm different.
On the attached sketch, the tangent of the angle shown in gray is 3/30 =
0.1 and Tan(-1)= 5.7 deg. The red angle would be twice that. If the
small dia is only 3 mm less than the large dia, then both angles would
be about 1/2 of that, so 2.85 deg for the gray angle and 5.7 for the
red angle.
I described it this way because I don't know how a taper angle is
defined, but one of them should be correct.
Bob W. On Sat, 12 Jan 2008 10:42:52 +1000
"George Lendich" <lendich@optusnet.com.au> wrote:
Ed,
I measured the taper of the flywheel taper with a ruler, the draft is 3mm in 30mm. I checked that with a dial indicator and it was correct - how does one derive the angle of that?
Is it 6 degrees?
George (down under)
--
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