David Boccabella Moderator

Hmm.. I am thinking of an old technique called "Charcoal Rubbings" You could take an inverted sheet and the rub with a semi firm to hard pointer over the details. If the paper is slightly m… (View Post)

@"Chris Ellerby" Re the changes - personally I'd avoided any cutting of the disk and use ports through the side of the pot. The issue with the top is that ANY hole adds a strain pint and co… (View Post)

I have made an excellent vacuum pump from a recycles fridge compressor. There are several video's on it and it's very easy. For the actual pot - look in a second hand store for an old aluminum stock … (View Post)

Sounds Brilliant. I recently saw a very interesting video on a flexible robotic system using air muscles. Pnuematics is a wonderful medium to work with however.. the supply and control mechs are ofte… (View Post)

Something I use in my workshop a lot is Poly pipe. The PVC piping you can buy in the hardware store, or even pick up from the side of the road.. building sites etc.. council throw outs. You can get i… (View Post)