by news | Aug 21, 2014 | Design
Well, there is nothing new under the sun, no amazing patent for me :p This is from some robot hacker group but they have no further information other than this picture. I also found this : It’s a Japanese design for a omni directional tracked vehicle that can...
by news | Aug 21, 2014 | Engineering
I was thinking about how to hold the panels together since I really didn’t want another special panel to make. I can for production but for the prototype I want to keep it cheap and easy. One of the simplest methods is to print out some curved plastic shims,...
by news | Aug 18, 2014 | Startups
I just don’t get how they stay in business treating potential customers like an inconvenience. This was a reply one reply to my general enquiry for laser cutting : “Need to se the drawings dxf/pdf files” That’s was it, no name, hello,...
by news | Aug 18, 2014 | Engineering
Not many 140rpm motors on ebay and the 160rpm ones drop to 120rpm under load. Quite a few 200rpm ones though and some quite reasonably priced. The one catching my eye is 8.6 kg cm for less than half the price of the 15kg cm one… Now, how many do we...
by news | Aug 17, 2014 | Engineering
Ok , so if I want 90 degrees per second rotation how quick is that and how fast would the motor have to be? The radius of the sphere is 700mm and C equals 2πr. The circumference is 4398.23mm. Divide that by 4 and we get our 90 degree slice of the sphere. 1099.5575, or...
