Hopstretch Posted October 14, 2009 Report Posted October 14, 2009 African or European swallow hardwoods?
Dusty Chalk Posted October 14, 2009 Report Posted October 14, 2009 and i evidently got the measurements right on the first try. (well to .0001 anyway)Using just a compass and a straight-edge? The man knows his Stax.
kevin gilmore Posted October 14, 2009 Report Posted October 14, 2009 (edited) Using just a compass and a straight-edge? The man knows his Stax. I cheated. Justin came up with the idea. I did not think it was going to work, but it did. I used the macro lens and took a picture at as close as i could get and still have all the pins in the picture. Then i suck the thing into featurecam and tell it the measured dimensions of just 2 of the pins. And it calculates the rest... And damm close too. PDF's of that connector are just plain not available. If this did not work, i could have used the new nikon microscope at work which has guaranteed flat optics and a reticule for exact measurements. justin's way was boatloads quicker. African or European swallow hardwoods? I'm open to suggestions. The harder the better. Edited October 14, 2009 by kevin gilmore
luvdunhill Posted October 14, 2009 Report Posted October 14, 2009 nice, that's exactly what I did I have noticed two problems. First, quality control isn't all that great on the Stax plugs, from what I can tell. So, just because it fits your SR-007 "perfectly", doesn't mean it will fit everyone's within 0.001". I checked around 10 or so plugs and found a good amount of variance, in fact I was rather surprised. The other problem (which really isn't a problem) are the people using the WPI socket. It's around 5-6% smaller, and over time bends the plug connectors so that they don't fit all that well in a properly sized connector.
kevin gilmore Posted October 14, 2009 Report Posted October 14, 2009 I can also make them round and threaded just like the real stax thing. But the diameter is going to have to increase a bit. Time to learn how to cut threads on the NC lathe...
justin Posted October 15, 2009 Report Posted October 15, 2009 if anyone needs 2SC3381 for this, i have around 70 of them
nattonrice Posted October 17, 2009 Report Posted October 17, 2009 I'm open to suggestions. My hard wood experience is quite limited but West Australian Jarrah is very nice
Spiug31 Posted October 17, 2009 Report Posted October 17, 2009 Need to find the electrical impedance of hardwoods... Anyone know?? chapter 3 pages 21 and 22 of "the wood handbook" has something about that Forest Products Laboratory - USDA Forest Service
John Buchanan Posted October 18, 2009 Report Posted October 18, 2009 My hard wood experience is quite limited but West Australian Jarrah is very nice It's pretty cheap in Western Australia too! Beautiful dark red brown colour. I had some side panels made for the CD player from this wood - they look better than the original factory supplied option.
Beefy Posted October 18, 2009 Report Posted October 18, 2009 Difficult to work with though. It just eats drill bits for breakfast!
nattonrice Posted October 18, 2009 Report Posted October 18, 2009 Shit yeah don't I know it... complete pita to "hand" drill. But perhaps with Dr Gilmore's CNC mill it may be ok
kevin gilmore Posted October 19, 2009 Report Posted October 19, 2009 I love it when a plan comes together no errors yet, and i think i can probably sail thru the rest... http://gilmore.chem.northwestern.edu/t2chassis1.jpg http://gilmore.chem.northwestern.edu/t2chassis2.jpg http://gilmore.chem.northwestern.edu/t2chassis3.jpg http://gilmore.chem.northwestern.edu/t2chassis4.jpg http://gilmore.chem.northwestern.edu/t2chassis5.jpg current BOM such as it is http://gilmore.chem.northwestern.edu/t2parts2.xls I'm doing a custom radius cutter for the outside from a single blade carbide bit, edm'd for the surface i want. (because I CAN! ) hand drill??? what are you guys nuts??? i'm going to cnc the stax jacks...
penger Posted October 19, 2009 Report Posted October 19, 2009 Damn that's gonna look sweet when it's done.
spritzer Posted October 19, 2009 Author Report Posted October 19, 2009 Hand drilling is fun until you mess up. I spent the last afternoon trying to drill 32mm holes into the top of a Modushop chassis where all the air slots are with a stepped drill. I really need a 35mm+ punch....
kevin gilmore Posted October 19, 2009 Report Posted October 19, 2009 Starting to think about a completely custom machined knob... Anyone with some ideas ?? The deep engraving is going to be sweet.
Hopstretch Posted October 19, 2009 Report Posted October 19, 2009 Starting to think about a completely custom machined knob... Anyone with some ideas ?? The deep engraving is going to be sweet.
luvdunhill Posted October 19, 2009 Report Posted October 19, 2009 how about a stylized reference to the "zeners" used in the T2 for the engraving? Some sort of artistic interpretation of the schematic
Dusty Chalk Posted October 19, 2009 Report Posted October 19, 2009 He said, "knob", not "hand crank" or "throw switch".
kevin gilmore Posted October 19, 2009 Report Posted October 19, 2009 Show me what you got... Be creative... autocad 3d drawings in dxf format please... or solidworks, or cativa.... no lines <.025 inch please.
Kerry Posted October 20, 2009 Report Posted October 20, 2009 Very nice! What's the dimensions on the chassis? I love it when a plan comes together no errors yet, and i think i can probably sail thru the rest... http://gilmore.chem.northwestern.edu/t2chassis1.jpg http://gilmore.chem.northwestern.edu/t2chassis2.jpg http://gilmore.chem.northwestern.edu/t2chassis3.jpg http://gilmore.chem.northwestern.edu/t2chassis4.jpg http://gilmore.chem.northwestern.edu/t2chassis5.jpg current BOM such as it is http://gilmore.chem.northwestern.edu/t2parts2.xls I'm doing a custom radius cutter for the outside from a single blade carbide bit, edm'd for the surface i want. (because I CAN! ) hand drill??? what are you guys nuts??? i'm going to cnc the stax jacks...
kevin gilmore Posted October 20, 2009 Report Posted October 20, 2009 Remember that there are 2 chassis, another identical one for the PS. The circuit board that goes on the inside is 12 x 16. I think the resulting chassis had better be 15.4 wide x 16.7 deep x 2.96 high (plus feet) (plus tubes) (plus about an extra .35 for the neutrik jacks) Still less cubic inches than a dual maestro chassis...
nattonrice Posted October 20, 2009 Report Posted October 20, 2009 The circuit board that goes on the inside is 12 x 16. My house mate is laughing uncontrollably after I showed him this with a tape measure... his exact words were "isn't that a bit much" I could make a small surf board with that much fiber glass LOL.
Les_Garten Posted October 20, 2009 Report Posted October 20, 2009 My house mate is laughing uncontrollably after I showed him this with a tape measure... his exact words were "isn't that a bit much" I could make a small surf board with that much fiber glass LOL. "isn't that a bit much" Crikey! What kind of people do you hang out with?
kevin gilmore Posted October 21, 2009 Report Posted October 21, 2009 http://gilmore.chem.northwestern.edu/t2chassis6.jpg
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