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plunger pot
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Topic: plunger pot (Read 670 times)
PRR
more-L
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Posts: 14573
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Paul R. - Maine USA
plunger pot
«
on:
March 19, 2021, 05:19:56 PM »
Possible alternate to rack & pinion pots such as wah and volume pedals. Not cheap, simple, rated for long use.
Darn Mouser links hard to share and won't find all variants.
https://www.mouser.com/ProductDetail/BI-Technologies-TT-Electronics/404R5KL10?qs=LUfMuE0iDoqgEWMHtVSIag%3D%3D
https://www.mouser.com/TT-Electronics/Linear-Displacement-Sensors/404-Series/_/N-1yvjsv8ZzqfcZ1z0wkci
404R5KL1.0 Mouser Part # 858-404R5KL1.0
BI Technologies / TT Electronics
Linear Displacement Sensors 5K PRECISION LINEAR SENSOR
«
Last Edit: March 19, 2021, 05:22:05 PM by PRR
»
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iainpunk
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Iain Tonny Schmaloer from Arnhem, NL
Re: plunger pot
«
Reply #1 on:
March 19, 2021, 05:44:00 PM »
i have looked into using them for wah pedals after having used one in school for a telescope control / aim unit. they are extremely expensive. it would be applicable for expensive custom wah's not for el-cheap-o diy projects.
cheers
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friendly reminder: all holes are positive and have negative weight, despite not being there.
cheers
stallik
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Kevin S - Huntingdon UK
Re: plunger pot
«
Reply #2 on:
March 19, 2021, 06:23:26 PM »
Wah pots are also expensive. I’m tempted
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Insanity: doing the same thing over and over again and expecting different results. Albert Einstein
PRR
more-L
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Paul R. - Maine USA
Re: plunger pot
«
Reply #3 on:
March 20, 2021, 01:42:17 AM »
Quote from: iainpunk on March 19, 2021, 05:44:00 PM
... extremely expensive....
Yes, most values are $23. However a
Dunlop Cry Baby Hot Potz II
is $25?? And that still needs a pinion and a rack and probably a pinion tension spring/clip. The TT Electronics 404 could just be propped up under a treadle. There is a slight scrub b/c the treadle moves in an arc while the plunger is linear. But a little slack (felt) under a loosely mounted plunger body would allow self-alignment; or modern slick plastic might not feel scruby.
Since the only ready-to-stomp form of rack and pinion is a whole or for-parts pedal, the plunger may be cheaper un-less you have been hoarding wahs under the bed. (Ah, the HotPotz comes-with pinion, but no rack.)
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garcho
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gary pazza
Re: plunger pot
«
Reply #4 on:
March 20, 2021, 10:14:42 AM »
Maybe we can turn this into the new 3PDT stomp switch, enough projects and the price will drop to $5
$25 is not a lot compared to a wah pot, but how to make/use a shell for it? How to attach it to anything? What are those ruts cut into it, does it have a proprietary mount like a fancy microphone? It looks like it’s made for p2p wiring, odd little thing. Definitely seems like something someone around here should mess with. It’s a robotics thing yeah?
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iainpunk
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Iain Tonny Schmaloer from Arnhem, NL
Re: plunger pot
«
Reply #5 on:
March 20, 2021, 10:23:29 AM »
i recognize its cheaper than a wah pot, but compared to a simple 15mm or 20mm slider pot, which can be easily converted to do the same function, its a 2000% price difference.
cheers
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friendly reminder: all holes are positive and have negative weight, despite not being there.
cheers
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plunger pot