[sdiy] Momentum in front panel controls?

[Roman Sowa]

Why anybody have not mentioned moog Source yet...

Roman

W dniu 2022-09-14 o 02:02, Jay Schwichtenberg via Synth-diy pisze:
> Some of the old radios did use gears to get a multi-turn ratio between 
> the knob and the open air variable capacitors. These were typically in 
> higher end radios. Lower end and table tops did the same thing using a 
> different technique. They would use a combination of different sized 
> wheels with a string sort of acting as a pulley using a spring to 
> tension the string. About 2/3s down this page is a photo of this type 
> of mechanism.
>
> http://www.geojohn.org/Radios/MyRadios/EC1/EC1.html
>
> Jay S.
>
> PS: I'm still waiting for the old magic eye/green eye tubes to make a 
> come back.
>
> On 9/13/2022 3:44 PM, Ben Bradley via Synth-diy wrote:
>> I recall many decades ago, large radios had flywheels on the tuning
>> knobs. Partly this was because they had large dials that went over a
>> large tuning range (like close to a 3 to 1 frequency range - this is
>> the AM broadcast band range, but it's a huge swath of the shortwave
>> bands) - the tuning capacitor turned 1/2 turn, but the tuning shaft
>> was geared to go maybe 10 turns. The flywheel helped keep the knob
>> spinning to help get from one end to the other faster. Even when this
>> wasn't necessary, having a small flywheel helped with the "feel" of
>> the knob.
>>
>> There's this:
>> https://www.youtube.com/watch?v=rCFi6lBdYaU
>>
>>> Would you actually need mechanical momentum? If it’s an encoder you 
>>> could perhaps detect the ‘flick’ motion and do a nice momentum curve 
>>> in software. Would work nice with a circle of LED’s around it.
>> One might try that, but I'm thinking the haptics of something
>> physically moving is an important part of this sort of thing.
>>
>> On Tue, 13 Sept 2022 at 13:06, cheater cheater via Synth-diy
>> <synth-diy at synth-diy.org> wrote:
>>> I was wondering if anyone had seen sliders or knobs that had momentum.
>>> I think it could feel nice to work with something like that, and it
>>> could also let you eg propel a slider to make a slow fade happen while
>>> you're also doing other things at the same time. This video about
>>> flywheels made me think about it:
>>> https://www.youtube.com/watch?v=TrNEkbdXEuw
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