Search found 3 matches

by tsnyman
Tue Sep 02, 2003 8:55 am
Forum: General Discussion
Topic: Need weedwacker electronic ignition circuit!
Replies: 4
Views: 1441

Need weedwacker electronic ignition circuit!

I converted a RYOBI weedwacker 31cc Engine to rc airplane engine.<p> Because the flywheel and coil is quite front heavy I would like to replace it with a variable electronic ignition system with advance and retard to make for easier to handstart. Remember there is no rope to pull!<p>Can Someone plea...
by tsnyman
Fri Feb 07, 2003 11:17 am
Forum: Robotics
Topic: Where can I get " POSITIV 20" ????
Replies: 0
Views: 1379

Where can I get " POSITIV 20" ????

Can anyone please help me out? Available in South Africa is a positive photoresist for etching pc-boards called "POSITIVE 20" It's in a aerosol spraycan. Because its a positive photo etch, it's real easy to work with, and to position on the copper board, because all you see is the real circuit lines...
by tsnyman
Fri Feb 07, 2003 11:14 am
Forum: Robotics
Topic: Where can I get " POSITIV 20" ????
Replies: 1
Views: 1679

Where can I get " POSITIV 20" ????

Can anyone please help me out? Available in South Africa is a positive photoresist for etching pc-boards called "POSITIVE 20" It's in a aerosol spraycan. Because its a positive photo etch, it's real easy to work with, and to position on the copper board, because all you see is the real circuit lines...