Receiver/Transmitter Question

[Andrew_Hibberd]

Hehe, i did that before starting 8)

[Remote-Controlled Dave]

Dave26 - Its taken me so long to start because of a lack of time/money/equipment, which I'm sure all of you can empathise with. I have though been doing my research, including spying on you guys for the last few months!

Please, call me Dave . Yes I can empathise perfectly, I've been tryna get into robot combat since I was 10.

And we all do our spying. Still do!

[josh]

@dave - haaaaaaaa haaaaaaaaaa!!! i all ready have at ten:P

[BeligerAnt]

Gary, thats an amazing bit of writing there! I stick to "if it plugs in and works, it can fight" logic!

You don't spend 25 years or so mucking about with electronics without picking up a few useful(?) bits of information along the way...

[Remote-Controlled Dave]

Hmm, I question the "useful" bit Gary. Probably is if you can understand it, but it works just as well if you dont. lol.

I've just remembered, I attempted to write to Oliver at Reading when I was 10...now there's an odd thing.

[Rhys]

I suppose its useful if it breaks. I'm with Dave on the "If it plugs in and works" thing though.

[Craig_Anto3]

Hi guys,

I am a new builder but have been registered to your site for several years!

My question is:
Can I use a two channel transmitter to operate a four chancel receiver?

I own a two channel transmitter, details of which can be found here:
http://www.rccarsandtrucks.co.uk/503_1_13386.html

The transmitter comes with a receiver that's too big to fit into my design unless I remove the case, so I'd like to use a smaller receiver, namely the Futaba R114F.

As I'm sure you are aware the R114F has four output channels. My design only requires two (no moving weaponry) so the transmitter suits my needs.

Back to the question, would the R114F be compatible provided the crystals match and the servos are plugged into the correct output channels, or am I walking into some kind of fiendish trap for the unwary?

Thanking you in advance

sorry to say this but i think the answer is no, the reason being the Futaba attack2 is am the R114F is FM i dont think thats compatible dispite being both 40MHz I hope i'm wrong thou

[BeligerAnt]

Unfortunately you're right Craig A quick search reveals that the T2ER is AM, and it certainly won't work with an FM receiver.

Worse still, I don't know of any small receivers that are AM.

It is possible to build an ant with a standard size receiver, just it's a bit more of a challenge!

[Rhys]

I was suprised that a 40.705 AM crystal worked in my FM reciever. I'm not too sure if that's the same principal though. And the dual conversion xtal didn't work at all. Again, it all goes back to what I said earlier. Shame SMC couldn't send the right one in the first place

[Remote-Controlled Dave]

I have an ant with an AM reciever in it. Always have done. Working of the Attack system. I forgot it was AM.