First electrical power output from a Pyramid

[magpower]

For graphic rods you can get them at hobby store, they use them in R/C planes. They have all sizes. don't know if its the right stuff but easy to get.

Wayne

[georgemay]

btw. how are the cabels connected to the graphid sticks ?

Here is how I did it:

1. Split carpenters pencil to get the the graphite rod
2. wrap with thin copper or brass sheet
3. solder the whole thing together

wrap is extended a bit from the edge of the rod and wire goes inside the wrap.
Hope this helps.
George

[skywatcher]

For graphic rods you can get them at hobby store, they use them in R/C planes. They have all sizes. don't know if its the right stuff but easy to get.

It's definitely NOT the right stuff. What you mean is carbon fibre rods, they consist of carbon fibres laminated together with epoxy resin.
They are not electrically conductive, so they most likely won't work for our purpose. 

[atlantex]

Hello georgemay,

looks really good but I think to remember that Thomas said in one of his postings that graphit sticks from
pencils are not the right choice... may be I'm wrong but I'm quite sure.

What's happen to the user hurricane? His device is already working as I could read.


Best Regards,

atlantex

[Pontifex]

Graphitst?be / Graphite Rods

Wer Graphitst?be nicht selbst auf den notwendigen Durchmesser abdrehen will, der kann diese auch passend kaufen. Es sind dies Teile f?r die Funkenerosion und Drucksintertechnik. Ich habe hier ein paar deutsche Seiten beigef?gt, welche Graphitst?be (Rundlinge) verkaufen.

If you don't want to turn a graphite rod you can buy them with suitable diameter as parts for spark erosion and high-pressure sintering. Enclosed you find a few german sites selling graphite rods.

http://cp-graphite.de/drucksinterung/rundlinge.htm

http://www.precitec-gmbh.de/produkte_erodierzub.htm

http://www.carbon-handel.de/site,produkte,funkenerosion

http://www.edm-graphite.de/drucksinterung/drucksinterung.htm

http://www.friedrich-zipser.de/Funkenerosion/funkenerosion.htm


Bleistiftminen haben nicht die notwendigen technischen Eigenschaften, wie Thomas erkl?rte. Sie bestehen aus einem Gemisch von Ton und Graphit.

Leads for pencils don't have the correct technical properties as Thomas stated. Pencils use a marking core made of powdered, refined graphite mixed with clay.

Greetings, Pontifex