Recent content by ldanielrosa

I use ethanol for cleaning glassware and resin 3D prints. The glassware is sometimes used for food. If possible, I'd prefer to only keep one grade of ethanol on hand. I've made sugar mash, but that is hardly the least expensive feedstock for ethanol. I had given some thought to using wheat...

"1.7 x 10-3 ohm-cm" Which at 0.0071mm diameter, comes to about 429kOhm/m for 1 fiber. However the yarns appear to be standardized as 3k (3000 fiber), 6k, 12k, 24k and 48k. So one 3k yarn would be about 143 Ohms/meter. The 3k yarn in the 33 carrier flat braider Should give me a ribbon about...

Thank you for getting back to me so quickly. I followed the link. I think the curve will have a different profile for non-metals. I noticed that the modulus portion appears linear, and what I managed to dig up for aramid and for carbon fiber has similar behavior up to the knee. "One will...

I have a textile braider that does 8 or 16 carriers in round configuration. I plan to have a 33 carrier flat braider as well. I currently have the wild idea of making a ribbon of carbon fiber and examining it's usability for livestock electric fence, or some other ludicrously overpowered...

"Make a retroreflector from three identical mirrors, each face a 45° right triangle. Join two by their short edges, use the third to set the angle between the first pair, but tilt it to half the required reflection angle." Thank you so much, Baluncore. This is what I'm looking for.

"I don't understand, is QCD = quantum chromodynamics ?" Quick, Cheap, Dirty Hokay, so what's in my head needs to hit the paper. I wanted to keep this close to the vest because it may be marketable, and will be extremely cheap to mass produce. I want something I can stick on any vertical...

"Maybe if you can tell us why you want the 4° angular return, we will be able to suggest ways to implement the deviation. There are alternative solutions. You may need an autocollimator to measure the offset if it is critical. Reference...

I've a bee in my bonnet and I want to know if it's feasable. I want a retroreflector that doesn't shine _right_ back at the source, but misses by 4 degrees or so in a direction determined by the orientation of the reflector. I hope this can by done by modifying a cubic corner array. I'd like...