Anyone used a String Potentimeter

I ordered mine from http://ca.mouser.com/Home.aspx (very good service). They have a good selection but I could not find any 100K linear slide potentiometers at that time, so I got 10K pots instead and they work fine. They probably have a much bigger selection of rotary pots though if you can use those.

Maurice

Was yours a 100mm pot? I didn't see any there that are linear taper.

Matt

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Originally Posted by mattford1

Was yours a 100mm pot? I didn't see any there that are linear taper.

Matt

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Yes they were. Here is the part number I ordered from Mouser:
688-RSA0N11S9002 . If you are looking for more 'beefy' construction (& more expensive as well), here is a source that I found:

http://www.familygate24.com/alps/pot...ice/index.html

Maurice

Maurice-
Looking at that mouser part number it looks as if you have an audio taper as opposed to linear.

Matt

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Originally Posted by mattford1

Maurice-
Looking at that mouser part number it looks as if you have an audio taper as opposed to linear.

Matt

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I thought exactly the same thing too and I fired an e-mail to them when I received the shipment notice but they assured me they were linear pots. When I received them, I checked them and they were indeed linear & not audio. I think the description or the type of taper is misleading or wrong but for sure the ones I received were linear.

Maurice

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Originally Posted by mattford1

Maurice-
Looking at that mouser part number it looks as if you have an audio taper as opposed to linear.

Matt

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One more thing; here is my e-mail to them and their answer:

There seems to be a discrepancy between what I ordered and what was shipped. The data sheet (Page 494) in your website for 688-RSA0N11S9002 (see insert below) shows that this item has a Linear taper (which is what I wanted) and the item you shipped shows a D Taper on the order form below. Can you please check into this and let me know what is it exactly that you shipped and if this wasn't what I wanted, how can I go about exchanging the items and getting the right ones I needed?

And their answer:

Page 494 of the catalog shows that part number as a linear taper. Thank You - Brian

To which I answered:
Yes, I mentioned Page 494 as well, but I was questioning the order details below which show a D Taper, whatever that is.

4 688-RSA0N11S9002 4 7.000 28.00
ALPS Slide Potentiom
10K OHM D TAPER Is this description wrong then?

And they answered:

There is more than one type of linear taper - I think you have what you need. Thanks _ Brian

So, not very re-assuring & very confusing but they were the right type after all :)

Maurice

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Originally Posted by mauriceb

Here is my poor man version of a string potentiometer. Not really how a string potentiometer functions since real ones use transducers, but worked quite well in my setup.

Maurice

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Hi Maurice,

This is a really neat solution that helps sort out a control mechanism that we have built on an experimental rig here!
Nothing to do with Flight Simulation

Many thanks indeed,

Bill.

Hey Guys what do ya reckon of hall effect sensors havnt tried myself but heres a Attached pdf we found interesting , I think they could be worth tryin out , Has anyone ever used this method Cheers Riche..