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Preperation of potassium floroaluminate [rquote=447749&tid=66146&author=blogfast25]Ammonium hexafluoroaluminate is prepared by react ...	3-5-2016 at 16:38 by: wg48
Preperation of potassium floroaluminate I need a few grams of potassium floroaluminate to use as an aluminium flux. Can I make it by diss ...	3-5-2016 at 15:20 by: wg48
Pretty Pictures (2) Patterns in a flame reminiscent of the patterns on the cathode of a low pressure discharge tube. ...	30-4-2016 at 15:55 by: wg48
High current low voltage heating element [rquote=445218&tid=65907&author=violet sin]The MOT(microwave oven transformer) is an accessa ...	17-4-2016 at 02:04 by: wg48
High current low voltage heating element [rquote=445190&tid=65907&author=Artemus Gordon] Snip I have spend several decades workin ...	17-4-2016 at 00:21 by: wg48
High current low voltage heating element [rquote=445159&tid=65907&author=violet sin]With nichrom etc. You have to pay attention to wi ...	12-4-2016 at 19:11 by: wg48
High current low voltage heating element [rquote=445102&tid=65907&author=violet sin]Ok, care to elaborate?[/rquote] Sorry yo ...	12-4-2016 at 01:05 by: wg48
the missing pics Here are the last two pics I did not manage to attach to my original post.	12-4-2016 at 00:40 by: wg48
High current low voltage heating element I wanted to heat a 25mm dia SS reaction beaker or tube to at least 1000C. I considered using a few t ...	11-4-2016 at 22:17 by: wg48
diy gas torch Do you run it with oxygen? [Edited on 20-3-2016 by wg48]	19-3-2016 at 16:56 by: wg48
diy gas torch I tried two different ceramic nozzles, shown below, but the flame lifts off and usually go out at hi ...	19-3-2016 at 08:55 by: wg48
diy gas torch I tried to make a Bunsen burner type of gas torch out of part of a damaged disposable butane can typ ...	19-3-2016 at 05:09 by: wg48
Related rotational problem Design a daredevil track similar to the track, shown in my pic above, with the addition of a horizon ...	17-3-2016 at 08:28 by: wg48
re	17-3-2016 at 08:05 by: wg48
Brain teaser: rotational problem [rquote=442145&tid=65628&author=woelen][rquote=442124&tid=65628&author=wg48]There ar ...	17-3-2016 at 07:03 by: wg48
Brain teaser: rotational problem There are two possible solutions. One with the velocity zero and one none zero, my solution and moel ...	16-3-2016 at 17:30 by: wg48
Brain teaser: rotational problem Assuming no losses the mass can return to its original height when its velocity will be the same as ...	16-3-2016 at 16:23 by: wg48
Brain teaser: rotational problem That's an easy one but I will let others have a go.	16-3-2016 at 14:06 by: wg48
Brain teaser: rolling ball with friction [rquote=441476&tid=65542&author=blogfast25][rquote=441454&tid=65542&author=wg48]I th ...	11-3-2016 at 17:58 by: wg48
Brain teaser: rolling ball with friction Thanks for your explanation Blogfest and woelen . I think what you mean is the peripheral force f ca ...	11-3-2016 at 12:45 by: wg48
Brain teaser: rolling ball with friction [rquote=441302&tid=65542&author=woelen] snip The force Ff may be considered as if acting ...	10-3-2016 at 11:20 by: wg48
Brain teaser: rolling ball with friction I had difficulty determining how the friction force would accelerate the sphere ie how it would be ...	10-3-2016 at 04:19 by: wg48
Curious corrosion formation Those forms are super awesome. I have seen bubbles of corrosion products (rust) on steel. Possibl ...	10-3-2016 at 03:30 by: wg48
Brain teaser: rolling ball with friction Yes woelen I thought dynamic friction was an unusual term in that type of problem so I looked it up. ...	9-3-2016 at 02:29 by: wg48
Brain teaser: rolling ball with friction Here is my attempt. The mass and coefficient of friction are not required as their ratio only eff ...	8-3-2016 at 22:21 by: wg48
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