[AT] Saturday night amazement

[Stephen Offiler]

I'm wondering whether the output rotation precisely matches input, or
whether it's "lumpy" i.e. speeding up and slowing down at different points
in the travel of the mechanism.  It seems like it would be cheaper to
manufacture than bevel gears, which suggests it would have eventually
prevailed in the market if it didn't have some flawed characteristic.

SO




On Fri, Oct 29, 2021 at 1:56 PM Ken Knierim <ken.knierim at gmail.com> wrote:

> Good point, Tom. Seems a tough way to do it (unless a patent was
> involved). Wouldn't it be easier to run the shaft a little longer on one
> side (drive or driven, pick one) to put the bevel gear on the far side
> rather than the near side to get that reversal? (hopefully that makes
> sense).
>
> I seem to recall Dad talking about guys making hayrakes from trucks and
> flipping the axle over to reverse the drive direction so they had 4 reverse
> gears instead.
>
> Ken in AZ
>
>
> On Fri, Oct 29, 2021 at 10:08 AM Tom Martin <tmartin at xtra.co.nz> wrote:
>
>> They were developed to keep shafts in same direction of rotation...
>>
>> Bevels gears reverse the secondary shaft.
>>
>> Tom
>>
>> On 24 October 2021 at 14:12 Brad Loomis <brad.loomis at gmail.com> wrote:
>>
>> For you belt guys, I found this thing mesmerizing.
>> https://www.facebook.com/groups/56806961770/permalink/10158137279546771/
>> I never...
>> Brad
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