 |
 | Home | Contact Us | FAQ | Search & Site Map | Link to Us |
 | Sign In | Join | Other 45 Sites in Network |
| HomeDiscussion Groups General ModelsRailroadsRocketsRadio Controlled Air ModelsHelicoptersLand ModelsWater ModelsModelGeeks.com Contact UsLink To UsSearch & Site Map |
Model Forum / Radio Controlled / Air Models / February 2007Mixing RC channel signals.
I'm looking into a project to make a tank drivers head move in sync with the direction of travel. I've got a V-tail mixer on order but I think this just averages the two channels together so that 0% + 0% = 0% and 100% + 100%=100%. I'm going to have a play as it has several "reversing" options but I'm dubious as to whether it will meed my needs. What I need is to difference the two channels, so that when they are the at the same level, the head is looking straight ahead and when there is a difference, the head moves left or right in proportion to this differnce. Does anyone know of a device on the market which does what I need ? Thanks in advance. John. >I'm looking into a project to make a tank drivers head move in sync >with >the direction of travel. you don't say what radion you have but can't you just mix the turn channel to a spare channel and do it that way? failing that you need a straight through Y lead, Has to be straight, not the usual type of Y that inverts one channel >I've got a V-tail mixer on order but I think this just averages the >two [quoted text clipped - 14 lines] > >John. > you don't say what radion you have but can't you just mix the turn > channel to a spare channel and do it that way? It's a Futaba 6EXA. I haven't investigated that as an option, so it sounds a likely solution. It would mean I lose another channel, which seems a shame as both the track channels are already being transmitted to the tank. If I could utilise a system using the signals already received it would save me a channel. > failing that you need a straight through Y lead, Has to be straight, > not the usual type of Y that inverts one channel Y leads seem to be designed to take one signal and split it into opposing signals. Can they be used the other way round to put two into one ? John. >> you don't say what radion you have but can't you just mix the turn >> channel to a spare channel and do it that way? [quoted text clipped - 13 lines] > > John. Y leads are used when there are two servos driving each side of an elevator on some large models. As these have to move in the same sense, one of this type should allow you to achieve your object of making a head move in the same direction as the turn. It might also be possible to make a mechanical link from the servo to do the turning of the head that you want. Another possible solution would be to see if the servo can be mounted directly beneath the head and attach the head to the servo disk/arm. Malcolm Malcolm >> you don't say what radion you have but can't you just mix the turn >> channel to a spare channel and do it that way? [quoted text clipped - 11 lines] > opposing signals. Can they be used the other way round to put two into > one ? Y leads do nothing to the signal at all. Opposite sense on e.g.ailerons is done by flipping a servo over. You can get servo reversers..but they are not commonly put into Y splitter leads. I suspect an elevon mixer MAY actually do what you want.. > John. >> I'm looking into a project to make a tank drivers head move in sync >> with >> the direction of travel. > failing that you need a straight through Y lead, Has to be straight, > not the usual type of Y that inverts one channel Can I have some of what you are smoking? >>> I'm looking into a project to make a tank drivers head move in sync >>> with [quoted text clipped - 4 lines] > >Can I have some of what you are smoking? Ok so it wasn't that descriptive, but you get Y leads that are not Y leads in the conventional sense, they just split the signal 1 to 2. Splitter leads may have been a better term rather than Y leads >>>> I'm looking into a project to make a tank drivers head move in sync >>>> with [quoted text clipped - 8 lines] > > Splitter leads may have been a better term rather than Y leads I didn't think you could get any OTHER sort. Servo reversing requires electronics. A splitter or Y *lead*, implies just wires. You cant get two servos to move in opposite directions with just wires. >>>>> I'm looking into a project to make a tank drivers head move in sync >>>>> with [quoted text clipped - 15 lines] > A splitter or Y *lead*, implies just wires. You cant get two servos to > move in opposite directions with just wires. Definitely as there's only one signal wire and reversing polarity is not a good idea for the servo... Malcolm |
Reply to this Message |
 Sign In
 Join
 My Latest Posts My Monitored Threads My Blog My Photo Gallery My Profile My Homepage Start New Thread Enable EMail Alerts Rate this Thread
|
©2012 Advenet LLC Privacy Policy - Terms of Use
This website includes both content owned or controlled by Advenet as well as content owned or controlled by third parties.