| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| mathew | "While you're worried about friction mounts, I'm worried about home-drilled holes in rods and the chance of putting cracks or stresses into the rod...." | Read more » | over 8 years ago | |||
| cfastie | "I'll play around with those pins. The odd thing is that I have inserted hundreds of those pins in suspension shafts over the past three years, and ..." | Read more » | over 8 years ago | |||
| mathew | "The hitch pins really wouldn't go in until I opened them up. I first focused (as you have above) on opening up the hole and clearing the path. no ..." | Read more » | over 8 years ago | |||
| cfastie | "Thanks Mathew, The holes in the aluminum frame for the leg brackets definitely needed modification. I make them bigger now and moved some of them ..." | Read more » | over 8 years ago | |||
| mathew | "The wire might not be visible, but I had the wire through the PVC, and wrapped the line around that. It worked great. " | Read more » | over 8 years ago | |||
| tonyc | "For oblique shots, there's a simple way to hang a miniball tripod head off the bottom of a pendulum. Did you use the wire to connect the PVC to t..." | Read more » | over 8 years ago | |||
| warren | "Really, almost there, I guess I must not have accounted for the loss of material by the laser, but it needs to be 1/16 inch taller and wider. Maybe..." | Read more » | over 8 years ago | |||
| warren | "OK, done! I just replaced the original file. " | Read more » | over 8 years ago | |||
| warren | "Ugh, i must've made some mistakes in unit conversions, and it came out quite wrong. Here's a new version, more carefully measured: spec-housing-2..." | Read more » | over 8 years ago | |||
| warren | "Ponoko requested that I don't let cut lines overlap, so I adjusted the cut file: spec-housing-2.1-24x12.pdf spec-housing-2.1-24x12.svg " | Read more » | over 8 years ago | |||
| warren | "I like the screw-in-the-base option, but I also wonder if good coverage of strong double-sided tape is a choice we can offer too. Good thoughts; I'..." | Read more » | over 8 years ago | |||
| stoft | "Just checking .... what is the mechanical relationship between the dimensions of the paper module and the inside dimensions of the laser-cut cover?..." | Read more » | over 8 years ago | |||
| warren | "It's going to be $16.20, which is expensive for a cut but cheap for a prototype :-) Transparent acrylic (although I could use matte black at 22.70..." | Read more » | over 8 years ago | |||
| warren | "I'm going to try getting it lasercut at http://www.ponoko.com/ -- in part to test if Ponoko is a service others could use for prototyping lasercut ..." | Read more » | over 8 years ago | |||
| warren | "I like the idea of side holes for different types of spectrometry! The flap is to hold something like a leaf against the window so it's flat, and ..." | Read more » | over 8 years ago | |||
| stoft | "I'm not following the flap bit. Why does the spectrometer need to be blocked? Also, from some simple experiements, I found that I needed much much ..." | Read more » | over 8 years ago | |||
| warren | "I'm also interested in how this rigid frame allowed for additional scanning or sampling apparatus, for example for reflectance measurements off of ..." | Read more » | over 8 years ago | |||
| warren | "Good idea -- here's an updated version with small screw or bolt holes: spectrometer-housing-2.svg spectrometer-housing-2.pdf " | Read more » | over 8 years ago | |||
| stoft | "Clever; only 2 part types. Since the internal components are still merely "trapped" by the paper housing, you might consider adding a couple holes ..." | Read more » | over 8 years ago | |||
| liz | "Ok great, thank you for the feedback! My next workshop is a demo only, so the voltage / electrolysis issue won't matter in this case thank goodness..." | Read more » | almost 9 years ago | |||
| donblair | "Hey Liz! Wow -- this looks great! Since this research note was originally posted, there are a few insights that have emerged: Silicone doesn't ..." | Read more » | almost 9 years ago | |||
| liz | "So, I'm making 15 of these conductivity probes to go along with the Digikey order that makes 15 Coquis. Last night cut open 15 plastic bottles with..." | Read more » | almost 9 years ago | |||
| liz | "I found a power drill very useful to get the screws into the caps. Here's what you need to finish the ends of the wires from the alligator clips: ..." | Read more » | almost 9 years ago | |||
| liz | "Looks great! maybe we could add a picture of how the cut ends of the alligator clips go into the terminal block? " | Read more » | almost 9 years ago |