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  • HgIAB2016 followed Electric boy6 months ago
      • Capture Incredible Water Droplet Impacts With a High Speed Camera Rig
      • Finding Your Way With GPS
      • CLOUD MONITOR With AWS & ARDUINO - Electric Boy
  • Capture Incredible Water Droplet Impacts With a High Speed Camera Rig

    Hi - excellent pictures! This might seem a like silly question but (unless I missed it in your presentation) what camera do you use and can any good digital camera be used rather than requiring a special high speed camera? My best camera is a Canon EOS 5D with a Canon Zoom EF 24-105 mm 1:4 L IS USM lens and I have just started playing around with a newly acquired Canon Macro EF 180 mm 1:3.5 L Ultrasonic lens. As a now retired analytical chemist and gemmologist my main photographic interests are in photographing natural crystals and crystal inclusions under the microscope. I have been interested in what you are doing for a long time now but have never delved into this field - your presentation has stirred up my interests in this beautiful field once again! I would really appreciate your ...

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    Hi - excellent pictures! This might seem a like silly question but (unless I missed it in your presentation) what camera do you use and can any good digital camera be used rather than requiring a special high speed camera? My best camera is a Canon EOS 5D with a Canon Zoom EF 24-105 mm 1:4 L IS USM lens and I have just started playing around with a newly acquired Canon Macro EF 180 mm 1:3.5 L Ultrasonic lens. As a now retired analytical chemist and gemmologist my main photographic interests are in photographing natural crystals and crystal inclusions under the microscope. I have been interested in what you are doing for a long time now but have never delved into this field - your presentation has stirred up my interests in this beautiful field once again! I would really appreciate your comments please, and keep up the truly excellent work. Best regards from 'Down Under'.

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  • HgIAB2016 commented on fixthisbuildthat's instructable Mobile Tool Stand With Storage1 year ago
    Mobile Tool Stand With Storage

    Absolutely beautiful work and workmanship!!! Just love your extraction set up, as well - extremely well thought out. Wish I had your set up! What do you use to achieve your vaccuum for your extraction gear? Simply excellent!!! Cheers

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  • DIY Arduino Battery Capacity Tester - V1.0

    Hi, great project - in your Fritzing diagram towards the left hand side of the lower left 10K ohm resistor (two PCB spaces further to the left from this resistor) is a small green horizontal cable spanning two PCB holes which is not shown connected to anything - what is this actually connected to in your diagram or is it just an artifact and is really not meant to be connected to anything?? I can't relate this "small cable" to any connection in your circuit diagram either? Please advise.Cheers.

    Sorry my query below relates to your PCB board & block components wiring diagram immediately above the FRITZING Circuit diagram - not to the actual line circuit diagram? Sorry for any confusion. Cheers

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  • HgIAB2016 commented on thomasjarrett16's instructable The Ultimate PVC Quadcopter2 years ago
    The Ultimate PVC Quadcopter

    Hi thomasjarrett16, what a fantastic and detailed project; you are to be congratulated for your prowess and ability for thinking "outside the box". As a retired scientist (analytical chemist & geochemist), I truly appreciate your great attention to detail and comprehensive notes and for providing the opportunity for many others to duplicate your project. As for the extensive negative weight factor and stress etc., comments presented by Clazman, to you sir might I suggest you would be better off by spending $2K-$4K on a commercially built unit rather than by being super-critical of this project! This project provides a very atainable opportunity for those great many people in this hobby area that might not have the $2K-$4K to purchase a more perfect aerodynamic quad copter ...

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    Hi thomasjarrett16, what a fantastic and detailed project; you are to be congratulated for your prowess and ability for thinking "outside the box". As a retired scientist (analytical chemist & geochemist), I truly appreciate your great attention to detail and comprehensive notes and for providing the opportunity for many others to duplicate your project. As for the extensive negative weight factor and stress etc., comments presented by Clazman, to you sir might I suggest you would be better off by spending $2K-$4K on a commercially built unit rather than by being super-critical of this project! This project provides a very atainable opportunity for those great many people in this hobby area that might not have the $2K-$4K to purchase a more perfect aerodynamic quad copter and provides them with a very real working alternative! Well done thomasjarrett16 - keep up your excellent work.

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  • HgIAB2016 commented on jbike's instructable Accurate wireless weather vane2 years ago
    Accurate wireless weather vane

    Thanks again for your explanation however the only way that would clinch the diameter differences irrespective of any possible differences in Cu pipe standards would be for you to physically put a caliper (measuring device metric or imperial) around the OD of the coupler carrying the bearings, photograph this and then repeat the same exercise for the large diameter of the 3/4 inch to 1/2 inch reducer connected to the bearing tube housing and photograph this! This would clear up all questions concerning this issue once and for all because 1mm in any system is 1mm and this is totally invariant. Bit of extra work for you if you feel inclined to do so? Cheers.

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  • HgIAB2016 commented on jbike's instructable Accurate wireless weather vane2 years ago
    Accurate wireless weather vane

    Hi mate - thanks for your reply however (with respect) your comments are totally in error according to the sizes and pictures you have provided as far as I can see in your project because it is the ID of the 1/2 inch coupler that is where the bearings are shown to be sitting and not the outside of the 1/2 inch coupler or inside of the 3/4 inch pipe, please check your own pictures [the bearings are clearly shown sitting inside the smaller coupler ID and the only other larger pieces shown are the 3/4 inch pipe and 3/4 inch to half inch reducer]. The 1/2 inch coupler has an OD of 14.6mm [not 5/8, inch (equiv metric 15.9mm OD as you say)] and the ID of this coupler is 12.77mm - which just fits over the OD of 1/2 inch copper pipe - whose OD is 12.70mm - so that the coupler (with bearings an...

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    Hi mate - thanks for your reply however (with respect) your comments are totally in error according to the sizes and pictures you have provided as far as I can see in your project because it is the ID of the 1/2 inch coupler that is where the bearings are shown to be sitting and not the outside of the 1/2 inch coupler or inside of the 3/4 inch pipe, please check your own pictures [the bearings are clearly shown sitting inside the smaller coupler ID and the only other larger pieces shown are the 3/4 inch pipe and 3/4 inch to half inch reducer]. The 1/2 inch coupler has an OD of 14.6mm [not 5/8, inch (equiv metric 15.9mm OD as you say)] and the ID of this coupler is 12.77mm - which just fits over the OD of 1/2 inch copper pipe - whose OD is 12.70mm - so that the coupler (with bearings and shaft inside this coupler) can then just slide over? Clearly, 16mm OD bearings will not fit inside the ID of the 1/2 inch coupler? The only other situation that might make some sence here is if you have possibly used some other copper pipe diameters other than the 1/2 inch and 3/4 inch pipe diameters you mention. Just to complete what I have measured 3/4 inch Cu pipe has an OD of 19.3mm dia and an ID of 16.7mm [in which the bearings would loosly fit] - is it possible you could have mixed up the 1/2 inch and 3/4 inch pipe diameters and that the bearings are sitting inside the 3/4 inch dia Cu pipe? If this latter explanation is correct then you must have used a larger dia Cu pipe and associated fittings to slide over this 3/4 inch pipe and bearings housing??? No big deal either way except that there really does seem to be some discrepancies between what you have said you have used and the measurements you have provided. I am not having a go at you, I am simply trying to accurately reproduce what you have said you have done. Please help me to understand excatly what you have use and done - I would be very, very grateful if you do. Cheers, ian

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  • HgIAB2016 commented on jbike's instructable Accurate wireless weather vane2 years ago
    Accurate wireless weather vane

    Hi - firstly this is a really great project so I am a bit perplexed with what the actual OD size of the bearings really is? Your excellent construction pictures shows that both of these bearings are mounted inside the 1/2 inch copper coupler (which only has and ID of 12.7mm) but you have said that the bearing OD is 16mm - is this simply a typo for the bearing diameter or am I totally missing something in your construction? I am following your construction very closely so I would really greatly appreciate you clarifying what the bearing size is, or if the bearings really are 16 mm dia as you have shown can yu please explain what I wm apparently missing in your pictures? Cheers

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