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Analog Joystick Mod Ideas...
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Xiaou2:

--- Quote from: Minwah on June 14, 2004, 05:55:24 am ---Thanks guys, that's really helpful :)

I had thought of bungees but wasn't sure how to fix them.  I have some elastic which I think I will try first - I bought some rivets and a small metal collar to fix the elastic to, and to attach it to the shaft/bolts.  It should be good enough to test the theory, probably not a long term solution...I will try inner tube rubber using the same method.

Xiaou2: when you say 'long down pulling spring' do you mean have a spring attached to the end (bottom) of the shaft, and then attached to a fixed point below the joystick?

--- End quote ---

 Yes.  the spring being in direct center should keep the foroces from horizontal play.   That large compression spring tends to move all over the place - as well as distributes teh forces in odd ways over a wide area.  This makes returning to center less accurate.
Minwah:

--- Quote from: Xiaou2 on June 14, 2004, 05:11:46 pm ---Yes.  the spring being in direct center should keep the foroces from horizontal play.   That large compression spring tends to move all over the place - as well as distributes teh forces in odd ways over a wide area.  This makes returning to center less accurate.

--- End quote ---

Sounds good, yes the existing spring is not great...you're right, you can almost see the different forces the spring applies when you move the stick - part of the problem is at the top and bottom of the spring, where the shape of the spring to achive a flat top/bottom is not uniform (kindof bunched up).

I'll try the spring idea if the idea I'm about to try fails...

Lilwolf: thanks, sounds good, be sure to play some more...I know what it's like ;)
Kremmit:
Minwah-

Did you solve your problem?  I just picked up two of those same sticks, and would like to know.
Minwah:

--- Quote from: Kremmit on July 23, 2004, 02:35:22 am ---Did you solve your problem?  I just picked up two of those same sticks, and would like to know.

--- End quote ---

Ooops, sorry, missed this before...

Basically no :(  I tried elastic and got something which worked OK...but not great.  It is probably best for Sinistar as it gets harder to move the stick the further you push - this is part of the problem I think.

I looked into getting some parts from Happ (looks like they revised the design) but (what a surprise) the parts are a rip-off.

So for now I have given up, and will use a 49-way instead...
Xiaou2:
this is the mod that should work. (pic enclosed)
You need to build an extension and use a pulling spring.  Do not use rubber or bungee.

49 ways will work almost the same as your experiment.

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