Good Websites for Newcomers

[Mouldy]

Re: Good Websites for Newcomers

http://www.kjmagnetics.com/calculator.asp Magnetic force calculator... enter the magnet size and grade, and distance between the magnet and the object to be attracted and it will give you your attractive force in lbs.

[PJ-27]

Re: Good Websites for Newcomers

A nice plastic comparison table:

http://www.machinist-materials.com/c...r_plastics.htm

Now if someone could tell me what each of the values mean that would be great.........

[archie2000]

Re: Good Websites for Newcomers

THATS EXACTLY THE SAME AS MINE!

[archie2000]

Re: Good Websites for Newcomers

I know this is kind of an old topic but I found this
http://www.machinist-materials.com/comp ... astics.htm
too much hdpe now and I think there are lots of alternatives

there
but i have no idea what anything means.
I suppose I could had titled it better though

[PJ-27]

Re: Good Websites for Newcomers

That it is! Sorry.

Here's another to make up for it:

http://www.simetric.co.uk/si_metals.htm

[archie2000]

Re: Good Websites for Newcomers

no harm done.
I feel its good but hdpe is too popular.
polycarb is great because you can show off all the Electrics.

[archie2000]

Re: Good Websites for Newcomers

On a similar topic
would Perspex be OK as armour.
my school has loads

[jonny]

Re: Good Websites for Newcomers

no, it's too brittle

[archie2000]

Re: Good Websites for Newcomers

OK thanks

[archie2000]

Re: Good Websites for Newcomers

http://www.magtrol.com/support/motorpower_calc.html
watt calculator

[Anttazz]

Re: Good Websites for Newcomers

Source of the new ESC's becoming popular.

http://www.botbitz.com/

Any chance some of the non related stuff can be ditched from this thread to keep it simple and tidy?

[PJ-27]

Re: Good Websites for Newcomers

http://www.westyorkssteel.com/products.html

Lots of property info on many materials.

[PJ-27]

Re: Good Websites for Newcomers

http://www.numberfactory.com/nf_torque. ... ervalue=90

Lots of conversion tools, particularly nice one for units of Torque.

Anyone know of a good one for RPM, Wheel Diameter and Speed? And by good I mean allows you to alter any field and takes metric units.

[jonny]

Re: Good Websites for Newcomers

http://www.technobotsonline.com/robot-s ... lator.html

[archie2000]

Re: Good Websites for Newcomers

as for tonys tidy up the thread idea
why dont we keep this.as.a draft topic and make a.new.one?