Are these just normal servos, i.e they center in the middle with prorportional travel in both directions controlled by the radio or are these guys special? Asked in another way, can the right radio make a standard servo behave like it has multiple preset positions?

Thanks,
Farmbuyer

Flap servos are standrd servos.

Yes you can set up a radio such that it makes the flaps act like the preset detent positions on the full acale aircraft are in use. It takes some "playing" with the programming...

You can also MAKE a detent device to put on the flap knob. Its not hard... all it would be is an aluminum plate addition which springs into little detents... The flap knob comes off with a set screw... then you pull the hex nut to slip the aluminum plate you bent for the detents under (put the nut and its star washer back...)... Another aluminum plate with a keyed hole to fit the flap knob shaft... and put the knob back on top to retain the whole works. Its about 30 min work to make the parts. (once you figure out the shapes...)

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Umm... I got that first line just a BIT off... IF the "Standard servo" has the correct torque range... then a standard servo is ifne for the flaps... (they don't make a special "Flap servo" ) On some models... you may want a higher power servo for the flaps... ons some a sub-micro would be fine.

Thanks, just what I was hoping for.