Aerial

[Kenny]

im just asking but did you invent the sinclair C5?

[ewan]

It definately does help if you try to keep the whole length of Aeriel cable that came with the Rx, but in robots, especially featherweights, this isnt really very practicle. If you just try to keep the cable as long as will fit you should still be fine.

Try this part of Paul Hills Website:
http://homepages.which.net/~paul.hills/Radio/Radio.htmlhttp://homepages.which.net/~paul.hills/Radio/Radio.html
(god knows what Id do without this mans website!)

Also... are you the guy who created that famous 3 wheeler weve all heard of?

[geoff]

Clive,
The general rule is you shorten the antenna wire by the length of the 40Mhz Antenna. As for coupling via a 10n cap, that is a matter of trial and error. In practice its seldom needed.
Providing the machine is fairly interference free I.E. motors properly suppressed, radio wiring kept well away from power wiring, that sort of thing then screening and ground plane isnt normally needed.
As Ewan says, You may find the following link handy. Very detailed, but leans heavily towards the theoretical rather than practical

http://homepages.which.net/~paul.hills/Radio/Radio.htmlhttp://homepages.which.net/~paul.hills/Radio/Radio.html

Short version...Common practice usually goes something like.. Mount antenna, attach receiver wire, mount receiver, roll up and secure any surplus receiver wire. Job done!
Hope this is of some help.
Geoff.

[psycho_fling]

i plan to use a zeobot aerial on my robot, will this just bend and be damaged easily? and what other options do i have?

thanks alex

[botmad]

spectrum dx6 ...... no ariel

[grant_ploughbot]

wrong pete...2 tiny aerials

[geeza]

Anyway back to the point. Normal arials do get bent, some people put some pneumatic tubing over to give some added protection. But Pete is right the best way is not to have any external ariel and geta 2.4 Ghz system (or 459Mhz like storm or kan opener, but that is v. expensive).

[psycho_fling]

thanks might try and find some tubing, unfortunatly i dont have the money for the spectrum dx6 at the moment but eventually ill get there

thanks alex