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Looking for pics of bottom mounted trackballs

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csa3d:


--- Quote from: javeryh on January 28, 2008, 04:02:35 pm ---
--- Quote from: csa3d on January 28, 2008, 02:21:03 pm ---The router was my friend on this one.  See how I mounted my 2.25" E-Ice trackball.

Results on page three.  Hope that helps.
-csa

--- End quote ---

Totally sick.... and exactly the sort of thing I was looking for!  Do you think the same method will work with a 3" Happs High-Lip?  I am also worried about the 1/8" remaining material being too thin.  How is it holding up?  Thanks!!!   :cheers:

--- End quote ---

It's holding up pretty well, considering I haven't played on it yet  :'(  I haven't hooked it up in all it's full glory..  Artwork arrives at the end of the month.. trying to finish it fully before plugging in and never looking back.. that's for another thread.

But I don't see it being an issue honestly.  Those three screws hold the case in super secure, and you really aren't putting weight on the thin piece carved out.  The top of the plastic shell rests snugly on the bottom of the thin piece, and the screws are doing all the supporting.  I'd assume my technique would also work for a 3".  You'll obviously need to change measurements. 

Also, if you are using mine as a guide, do note which way is *UP* on your trackball before mounting (metal vertical roller at bottom of screen, metal horizontal roller on right).  I cut the hole out upside down, then had to do some hacking.. where I finally ended up with a roller at the top and a roller at the left.  I'm not making that control panel a 3rd time ;)

Hit me up if you have questions about any of that.
-csa

ErikRuud:

My CP is built from two different layers.  Structural strength comes from a layer of 1/2 plywood.  The top surface is 1/4 cherry plywood.  For the trackball I cut a hole through the 1/2 layer for the body of the trackball.  the hole in 1/4 layer is just big enough to fit around the lip on Betson 3" trackball.

The final finish is many layers of polyurethane.

javeryh:


--- Quote from: csa3d on January 29, 2008, 09:29:55 am ---
--- Quote from: javeryh on January 28, 2008, 04:02:35 pm ---
--- Quote from: csa3d on January 28, 2008, 02:21:03 pm ---The router was my friend on this one.  See how I mounted my 2.25" E-Ice trackball.

Results on page three.  Hope that helps.
-csa

--- End quote ---

Totally sick.... and exactly the sort of thing I was looking for!  Do you think the same method will work with a 3" Happs High-Lip?  I am also worried about the 1/8" remaining material being too thin.  How is it holding up?  Thanks!!!   :cheers:

--- End quote ---

It's holding up pretty well, considering I haven't played on it yet  :'(  I haven't hooked it up in all it's full glory..  Artwork arrives at the end of the month.. trying to finish it fully before plugging in and never looking back.. that's for another thread.

But I don't see it being an issue honestly.  Those three screws hold the case in super secure, and you really aren't putting weight on the thin piece carved out.  The top of the plastic shell rests snugly on the bottom of the thin piece, and the screws are doing all the supporting.  I'd assume my technique would also work for a 3".  You'll obviously need to change measurements. 

Also, if you are using mine as a guide, do note which way is *UP* on your trackball before mounting (metal vertical roller at bottom of screen, metal horizontal roller on right).  I cut the hole out upside down, then had to do some hacking.. where I finally ended up with a roller at the top and a roller at the left.  I'm not making that control panel a 3rd time ;)

Hit me up if you have questions about any of that.
-csa

--- End quote ---

Thanks for the info.  I'll probably ask a ton of questions when I start building the CP box - currently scheduled for next week either Wednesday or Thursday whenever the wife goes to visit her parents.  I want to be sure I have the trackball facing the right way!


--- Quote from: ErikRuud on January 29, 2008, 10:37:54 am ---My CP is built from two different layers.  Structural strength comes from a layer of 1/2 plywood.  The top surface is 1/4 cherry plywood.  For the trackball I cut a hole through the 1/2 layer for the body of the trackball.  the hole in 1/4 layer is just big enough to fit around the lip on Betson 3" trackball.

The final finish is many layers of polyurethane.

--- End quote ---

Awesome pics - thanks.  So your total thickness is 3/4"?  Was routing the t-molding groove a problem since it would have to be near the joint between the plywood and cherry?

ErikRuud:

Yes, total thickness is 3/4 inch.

I didn't use T-Molding.  I edges the CP top with solid cherry.

One all of the holes were drilled the two pieces of ply were bonded together, so routing a t-molding slot shouldn't have been a problem.



ids:

See http://forum.arcadecontrols.com/index.php?topic=64594.msg721983#msg721983 - this is for a betson though, and has the top removed.  I think I'll be doing this style -- maybe....

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