[AT] Saturday night amazement

[rbrooks at hvc.rr.com]

Steve

The mechanism seems to run very smooth looking at the video. I would think that to handle large amounts of torque the mechanism would have to get large. Bevelled gears would be smaller and lighter IMHO

Bob

Sent from my iPhone

> On Oct 29, 2021, at 2:05 PM, Stephen Offiler <soffiler at gmail.com> wrote:
> 
> 
> 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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