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Comments

Author Comment Last activity Moderation
danbeavers "I noticed the same problem that jiteovien noticed but my solution was to use a popsicle stick under the Coroplast and placing the rubber band over ..." | Read more » almost 4 years ago
danbeavers "By the tube, I assume you mean the manometer. The most accurate way to accomplish this would be to make a scale that is calibrated to your setup a..." | Read more » over 4 years ago
danbeavers "In electrical terms this is analogous to measuring the voltage across a resistor to determine current where the pressure is voltage and the needle ..." | Read more » over 4 years ago
danbeavers "Go here to see the results from experimentation. " | Read more » over 4 years ago
danbeavers "Perhaps a better analogy would be a survey rod. It is designed to be read under poor conditions. Perhaps there is some other scale that is easily..." | Read more » over 5 years ago
danbeavers "I think this is great! I hope H2S can be a project also. " | Read more » over 5 years ago
danbeavers "The screw valve should BE a needle valve. I suggest a needle valve so that there is a large range of flow control. Most other valves are mainly o..." | Read more » about 6 years ago
danbeavers "The surface mount connector has plastic pins protruding on the bottom to help with mechanical rigidity. SMconnectorF.pdf Click on the box in the..." | Read more » over 6 years ago
danbeavers "Perhaps there is a need for scaling options of the y axis. Perhaps it would be useful to turn off 2 or 1 color channels and scale the result appro..." | Read more » over 6 years ago
danbeavers "http://wgno.com/2015/11/24/naval-unmanned-underwater-program-operates-from-stennis/ has a little information on where I was working with underwate..." | Read more » over 6 years ago
danbeavers "I really like the idea of iterating over the process in an orderly fashion. " | Read more » almost 7 years ago
danbeavers "The cotton balls that I have do not have brighteners. I checked with my UV laser. I was wondering if they have the same absorption characteristic..." | Read more » almost 7 years ago
danbeavers "I wonder if just plain cotton balls would work just as well? " | Read more » almost 7 years ago
danbeavers "I agree with @kile and I am amazed that you could patch the balloon and then inflate it with the patches still holding. " | Read more » almost 7 years ago
danbeavers "That is fairly cheap and apparently readily available. I would think that 3D printing the corner transitions would be the best thing. It would e..." | Read more » almost 7 years ago
danbeavers "What is the source for the HEPA filter? Isn't that an expensive item? " | Read more » almost 7 years ago
danbeavers "I am a little confused as to when you used a kite and when you used the balloon. What sort of kite did you use? Could you provide a picture of th..." | Read more » almost 7 years ago
danbeavers "I do believe @pinpointmapping has the right idea. Unfortunately Pix4D software is orders of magnitude more expensive than $100 even if you go with..." | Read more » almost 7 years ago
danbeavers "@Mathew I like! " | Read more » almost 7 years ago
danbeavers "Great, I doubt you will be going below 10m so ignore my comments. The http://waihinga.ac.nz site has lots of good info that I did not look for bef..." | Read more » almost 7 years ago
danbeavers "I think you miss my point. I believe that if you take the sensor very deep that the waterproofing will fail due to the increased pressure. The ad..." | Read more » almost 7 years ago
danbeavers "Do you know how deep you can take the "waterproof" DS18B20 temp sensor? It may be just designed to take it as deep as the cable is long. Yes, it ..." | Read more » almost 7 years ago
danbeavers "Perhaps then you need to adjust the center of gravity. When it is just floating is it right side up and are the wings horizontal? i think I would..." | Read more » almost 7 years ago
danbeavers "I would be real careful about changing the buoyancy. Get ALL of the bubbles out of the system. The sign board should not have bubbles. Are there..." | Read more » almost 7 years ago